[ 1816.737831][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1816.738147][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1816.738147][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.738147][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.738147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.738147][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1816.738147][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1816.738147][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1816.738147][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1816.738147][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1816.738147][ T74] addrconf_dad_begin+0x310/0x670 [ 1816.738147][ T74] addrconf_dad_work+0x10b/0xab0 [ 1816.738147][ T74] process_one_work+0x84d/0x18a0 [ 1816.738147][ T74] worker_thread+0x587/0xd30 [ 1816.738147][ T74] kthread+0x28a/0x350 [ 1816.738147][ T74] ret_from_fork+0x31/0x70 [ 1816.738147][ T74] ret_from_fork_asm+0x1a/0x30 [ 1816.738147][ T74] [ 1816.740134][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1816.740134][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.740134][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.740134][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.740134][ T74] ip6_route_add+0x1c/0x140 [ 1816.740134][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1816.740134][ T74] inet6_addr_add+0x4f8/0xa40 [ 1816.740134][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.740134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.740134][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.740134][ T74] netlink_unicast+0x449/0x710 [ 1816.740134][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.740134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.740134][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.740134][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.740134][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.740134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.740134][ T74] [ 1816.742161][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1816.742161][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.742161][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.742161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.742161][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1816.742161][ T74] ipv6_add_addr+0x411/0x2000 [ 1816.742161][ T74] inet6_addr_add+0x30e/0xa40 [ 1816.742161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.742161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.742161][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.742161][ T74] netlink_unicast+0x449/0x710 [ 1816.742161][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.742161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.742161][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.742161][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.742161][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.742161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.742161][ T74] [ 1816.744178][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1816.744178][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.744178][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.744178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.744178][ T74] ip6_route_add+0x1c/0x140 [ 1816.744178][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.744178][ T74] addrconf_add_dev+0xe2/0x170 [ 1816.744178][ T74] inet6_addr_add+0x12f/0xa40 [ 1816.744178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.744178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.744178][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.744178][ T74] netlink_unicast+0x449/0x710 [ 1816.744178][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.744178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.744178][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.744178][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.744178][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.744178][ T74] [ 1816.746120][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1816.746120][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1816.746120][ T74] ipv6_find_idev+0x102/0x170 [ 1816.746120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.746120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.746120][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.746120][ T74] netlink_unicast+0x449/0x710 [ 1816.746120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.746120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.746120][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.746120][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.746120][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.746120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.746120][ T74] [ 1816.747668][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1816.747668][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1816.747668][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1816.747668][ T74] ipv6_find_idev+0x102/0x170 [ 1816.747668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.747668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.747668][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.747668][ T74] netlink_unicast+0x449/0x710 [ 1816.747668][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.747668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.747668][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.747668][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.747668][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.747668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.747668][ T74] [ 1816.749415][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1816.749661][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1816.749661][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.749661][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.749661][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.749661][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1816.749661][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1816.749661][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1816.749661][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1816.749661][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1816.749661][ T74] addrconf_dad_begin+0x310/0x670 [ 1816.749661][ T74] addrconf_dad_work+0x10b/0xab0 [ 1816.749661][ T74] process_one_work+0x84d/0x18a0 [ 1816.749661][ T74] worker_thread+0x587/0xd30 [ 1816.749661][ T74] kthread+0x28a/0x350 [ 1816.749661][ T74] ret_from_fork+0x31/0x70 [ 1816.749661][ T74] ret_from_fork_asm+0x1a/0x30 [ 1816.749661][ T74] [ 1816.751673][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1816.751673][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.751673][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.751673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.751673][ T74] ip6_route_add+0x1c/0x140 [ 1816.751673][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1816.751673][ T74] inet6_addr_add+0x4f8/0xa40 [ 1816.751673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.751673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.751673][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.751673][ T74] netlink_unicast+0x449/0x710 [ 1816.751673][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.751673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.751673][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.751673][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.751673][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.751673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.751673][ T74] [ 1816.753945][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1816.753945][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.753945][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.753945][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.753945][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1816.753945][ T74] ipv6_add_addr+0x411/0x2000 [ 1816.753945][ T74] inet6_addr_add+0x30e/0xa40 [ 1816.753945][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.753945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.753945][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.753945][ T74] netlink_unicast+0x449/0x710 [ 1816.753945][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.753945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.753945][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.753945][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.753945][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.753945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.753945][ T74] [ 1816.756198][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1816.756198][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.756198][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.756198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.756198][ T74] ip6_route_add+0x1c/0x140 [ 1816.756198][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.756198][ T74] addrconf_add_dev+0xe2/0x170 [ 1816.756198][ T74] inet6_addr_add+0x12f/0xa40 [ 1816.756198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.756198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.756198][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.756198][ T74] netlink_unicast+0x449/0x710 [ 1816.756198][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.756198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.756198][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.756198][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.756198][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.756198][ T74] [ 1816.758213][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1816.758213][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1816.758213][ T74] ipv6_find_idev+0x102/0x170 [ 1816.758213][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.758213][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.758213][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.758213][ T74] netlink_unicast+0x449/0x710 [ 1816.758213][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.758213][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.758213][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.758213][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.758213][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.758213][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.758213][ T74] [ 1816.759987][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1816.759987][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1816.759987][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1816.759987][ T74] ipv6_find_idev+0x102/0x170 [ 1816.759987][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.759987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.759987][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.759987][ T74] netlink_unicast+0x449/0x710 [ 1816.759987][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.759987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.759987][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.759987][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.759987][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.759987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.759987][ T74] [ 1816.761775][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1816.762113][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1816.762113][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.762113][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.762113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.762113][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1816.762113][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1816.762113][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1816.762113][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1816.762113][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1816.762113][ T74] addrconf_dad_begin+0x310/0x670 [ 1816.762113][ T74] addrconf_dad_work+0x10b/0xab0 [ 1816.762113][ T74] process_one_work+0x84d/0x18a0 [ 1816.762113][ T74] worker_thread+0x587/0xd30 [ 1816.762113][ T74] kthread+0x28a/0x350 [ 1816.762113][ T74] ret_from_fork+0x31/0x70 [ 1816.762113][ T74] ret_from_fork_asm+0x1a/0x30 [ 1816.762113][ T74] [ 1816.764267][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1816.764267][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.764267][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.764267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.764267][ T74] ip6_route_add+0x1c/0x140 [ 1816.764267][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1816.764267][ T74] inet6_addr_add+0x4f8/0xa40 [ 1816.764267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.764267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.764267][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.764267][ T74] netlink_unicast+0x449/0x710 [ 1816.764267][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.764267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.764267][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.764267][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.764267][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.764267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.764267][ T74] [ 1816.766345][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1816.766345][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.766345][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.766345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.766345][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1816.766345][ T74] ipv6_add_addr+0x411/0x2000 [ 1816.766345][ T74] inet6_addr_add+0x30e/0xa40 [ 1816.766345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.766345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.766345][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.766345][ T74] netlink_unicast+0x449/0x710 [ 1816.766345][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.766345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.766345][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.766345][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.766345][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.766345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.766345][ T74] [ 1816.768630][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1816.768630][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.768630][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.768630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.768630][ T74] ip6_route_add+0x1c/0x140 [ 1816.768630][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.768630][ T74] addrconf_add_dev+0xe2/0x170 [ 1816.768630][ T74] inet6_addr_add+0x12f/0xa40 [ 1816.768630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.768630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.768630][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.768630][ T74] netlink_unicast+0x449/0x710 [ 1816.768630][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.768630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.768630][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.768630][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.768630][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.768630][ T74] [ 1816.770710][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1816.770710][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1816.770710][ T74] ipv6_find_idev+0x102/0x170 [ 1816.770710][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.770710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.770710][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.770710][ T74] netlink_unicast+0x449/0x710 [ 1816.770710][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.770710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.770710][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.770710][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.770710][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.770710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.770710][ T74] [ 1816.772389][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1816.772389][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1816.772389][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1816.772389][ T74] ipv6_find_idev+0x102/0x170 [ 1816.772389][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.772389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.772389][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.772389][ T74] netlink_unicast+0x449/0x710 [ 1816.772389][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.772389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.772389][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.772389][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.772389][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.772389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.772389][ T74] [ 1816.774172][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1816.774421][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1816.774421][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.774421][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.774421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.774421][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1816.774421][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1816.774421][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1816.774421][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1816.774421][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1816.774421][ T74] addrconf_dad_begin+0x310/0x670 [ 1816.774421][ T74] addrconf_dad_work+0x10b/0xab0 [ 1816.774421][ T74] process_one_work+0x84d/0x18a0 [ 1816.774421][ T74] worker_thread+0x587/0xd30 [ 1816.774421][ T74] kthread+0x28a/0x350 [ 1816.774421][ T74] ret_from_fork+0x31/0x70 [ 1816.774421][ T74] ret_from_fork_asm+0x1a/0x30 [ 1816.774421][ T74] [ 1816.776399][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1816.776399][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.776399][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.776399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.776399][ T74] ip6_route_add+0x1c/0x140 [ 1816.776399][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1816.776399][ T74] inet6_addr_add+0x4f8/0xa40 [ 1816.776399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.776399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.776399][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.776399][ T74] netlink_unicast+0x449/0x710 [ 1816.776399][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.776399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.776399][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.776399][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.776399][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.776399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.776399][ T74] [ 1816.778529][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1816.778529][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.778529][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.778529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.778529][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1816.778529][ T74] ipv6_add_addr+0x411/0x2000 [ 1816.778529][ T74] inet6_addr_add+0x30e/0xa40 [ 1816.778529][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.778529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.778529][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.778529][ T74] netlink_unicast+0x449/0x710 [ 1816.778529][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.778529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.778529][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.778529][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.778529][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.778529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.778529][ T74] [ 1816.780705][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1816.780705][ T74] netdev_get_by_index+0x5e/0x80 [ 1816.780705][ T74] fib6_nh_init+0x3d8/0x1580 [ 1816.780705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1816.780705][ T74] ip6_route_add+0x1c/0x140 [ 1816.780705][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1816.780705][ T74] addrconf_add_dev+0xe2/0x170 [ 1816.780705][ T74] inet6_addr_add+0x12f/0xa40 [ 1816.780705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1816.780705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.780705][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.780705][ T74] netlink_unicast+0x449/0x710 [ 1816.780705][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.780705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.780705][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.780705][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.780705][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.780705][ T74] [ 1816.782909][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1816.782909][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1816.782909][ T74] ipv6_find_idev+0x102/0x170 [ 1816.782909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.782909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.782909][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.782909][ T74] netlink_unicast+0x449/0x710 [ 1816.782909][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.782909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.782909][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.782909][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.782909][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.782909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.782909][ T74] [ 1816.784666][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1816.784666][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1816.784666][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1816.784666][ T74] ipv6_find_idev+0x102/0x170 [ 1816.784666][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1816.784666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1816.784666][ T74] netlink_rcv_skb+0x130/0x360 [ 1816.784666][ T74] netlink_unicast+0x449/0x710 [ 1816.784666][ T74] netlink_sendmsg+0x723/0xbe0 [ 1816.784666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1816.784666][ T74] ___sys_sendmsg+0xee/0x170 [ 1816.784666][ T74] __sys_sendmsg+0xcd/0x170 [ 1816.784666][ T74] do_syscall_64+0xc6/0x1e0 [ 1816.784666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1816.784666][ T74] [ 1826.928849][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1826.929190][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1826.929190][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.929190][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.929190][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.929190][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1826.929190][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1826.929190][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1826.929190][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1826.929190][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1826.929190][ T74] addrconf_dad_begin+0x310/0x670 [ 1826.929190][ T74] addrconf_dad_work+0x10b/0xab0 [ 1826.929190][ T74] process_one_work+0x84d/0x18a0 [ 1826.929190][ T74] worker_thread+0x587/0xd30 [ 1826.929190][ T74] kthread+0x28a/0x350 [ 1826.929190][ T74] ret_from_fork+0x31/0x70 [ 1826.929190][ T74] ret_from_fork_asm+0x1a/0x30 [ 1826.929190][ T74] [ 1826.931403][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1826.931403][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.931403][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.931403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.931403][ T74] ip6_route_add+0x1c/0x140 [ 1826.931403][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1826.931403][ T74] inet6_addr_add+0x4f8/0xa40 [ 1826.931403][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.931403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.931403][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.931403][ T74] netlink_unicast+0x449/0x710 [ 1826.931403][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.931403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.931403][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.931403][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.931403][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.931403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.931403][ T74] [ 1826.933722][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1826.933722][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.933722][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.933722][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.933722][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1826.933722][ T74] ipv6_add_addr+0x411/0x2000 [ 1826.933722][ T74] inet6_addr_add+0x30e/0xa40 [ 1826.933722][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.933722][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.933722][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.933722][ T74] netlink_unicast+0x449/0x710 [ 1826.933722][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.933722][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.933722][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.933722][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.933722][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.933722][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.933722][ T74] [ 1826.936040][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1826.936040][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.936040][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.936040][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.936040][ T74] ip6_route_add+0x1c/0x140 [ 1826.936040][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1826.936040][ T74] addrconf_add_dev+0xe2/0x170 [ 1826.936040][ T74] inet6_addr_add+0x12f/0xa40 [ 1826.936040][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.936040][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.936040][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.936040][ T74] netlink_unicast+0x449/0x710 [ 1826.936040][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.936040][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.936040][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.936040][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.936040][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.936040][ T74] [ 1826.938309][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1826.938309][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1826.938309][ T74] ipv6_find_idev+0x102/0x170 [ 1826.938309][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.938309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.938309][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.938309][ T74] netlink_unicast+0x449/0x710 [ 1826.938309][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.938309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.938309][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.938309][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.938309][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.938309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.938309][ T74] [ 1826.940062][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1826.940062][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1826.940062][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1826.940062][ T74] ipv6_find_idev+0x102/0x170 [ 1826.940062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.940062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.940062][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.940062][ T74] netlink_unicast+0x449/0x710 [ 1826.940062][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.940062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.940062][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.940062][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.940062][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.940062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.940062][ T74] [ 1826.942233][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1826.942497][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1826.942497][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.942497][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.942497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.942497][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1826.942497][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1826.942497][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1826.942497][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1826.942497][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1826.942497][ T74] addrconf_dad_begin+0x310/0x670 [ 1826.942497][ T74] addrconf_dad_work+0x10b/0xab0 [ 1826.942497][ T74] process_one_work+0x84d/0x18a0 [ 1826.942497][ T74] worker_thread+0x587/0xd30 [ 1826.942497][ T74] kthread+0x28a/0x350 [ 1826.942497][ T74] ret_from_fork+0x31/0x70 [ 1826.942497][ T74] ret_from_fork_asm+0x1a/0x30 [ 1826.942497][ T74] [ 1826.944774][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1826.944774][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.944774][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.944774][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.944774][ T74] ip6_route_add+0x1c/0x140 [ 1826.944774][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1826.944774][ T74] inet6_addr_add+0x4f8/0xa40 [ 1826.944774][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.944774][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.944774][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.944774][ T74] netlink_unicast+0x449/0x710 [ 1826.944774][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.944774][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.944774][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.944774][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.944774][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.944774][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.944774][ T74] [ 1826.947391][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1826.947391][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.947391][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.947391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.947391][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1826.947391][ T74] ipv6_add_addr+0x411/0x2000 [ 1826.947391][ T74] inet6_addr_add+0x30e/0xa40 [ 1826.947391][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.947391][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.947391][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.947391][ T74] netlink_unicast+0x449/0x710 [ 1826.947391][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.947391][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.947391][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.947391][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.947391][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.947391][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.947391][ T74] [ 1826.949997][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1826.949997][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.949997][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.949997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.949997][ T74] ip6_route_add+0x1c/0x140 [ 1826.949997][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1826.949997][ T74] addrconf_add_dev+0xe2/0x170 [ 1826.949997][ T74] inet6_addr_add+0x12f/0xa40 [ 1826.949997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.949997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.949997][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.949997][ T74] netlink_unicast+0x449/0x710 [ 1826.949997][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.949997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.949997][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.949997][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.949997][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.949997][ T74] [ 1826.952399][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1826.952399][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1826.952399][ T74] ipv6_find_idev+0x102/0x170 [ 1826.952399][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.952399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.952399][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.952399][ T74] netlink_unicast+0x449/0x710 [ 1826.952399][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.952399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.952399][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.952399][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.952399][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.952399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.952399][ T74] [ 1826.954478][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1826.954478][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1826.954478][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1826.954478][ T74] ipv6_find_idev+0x102/0x170 [ 1826.954478][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.954478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.954478][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.954478][ T74] netlink_unicast+0x449/0x710 [ 1826.954478][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.954478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.954478][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.954478][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.954478][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.954478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.954478][ T74] [ 1826.957302][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1826.957580][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1826.957580][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.957580][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.957580][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.957580][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1826.957580][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1826.957580][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1826.957580][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1826.957580][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1826.957580][ T74] addrconf_dad_begin+0x310/0x670 [ 1826.957580][ T74] addrconf_dad_work+0x10b/0xab0 [ 1826.957580][ T74] process_one_work+0x84d/0x18a0 [ 1826.957580][ T74] worker_thread+0x587/0xd30 [ 1826.957580][ T74] kthread+0x28a/0x350 [ 1826.957580][ T74] ret_from_fork+0x31/0x70 [ 1826.957580][ T74] ret_from_fork_asm+0x1a/0x30 [ 1826.957580][ T74] [ 1826.959917][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1826.959917][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.959917][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.959917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.959917][ T74] ip6_route_add+0x1c/0x140 [ 1826.959917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1826.959917][ T74] inet6_addr_add+0x4f8/0xa40 [ 1826.959917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.959917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.959917][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.959917][ T74] netlink_unicast+0x449/0x710 [ 1826.959917][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.959917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.959917][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.959917][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.959917][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.959917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.959917][ T74] [ 1826.962525][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1826.962525][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.962525][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.962525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.962525][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1826.962525][ T74] ipv6_add_addr+0x411/0x2000 [ 1826.962525][ T74] inet6_addr_add+0x30e/0xa40 [ 1826.962525][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.962525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.962525][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.962525][ T74] netlink_unicast+0x449/0x710 [ 1826.962525][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.962525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.962525][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.962525][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.962525][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.962525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.962525][ T74] [ 1826.964957][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1826.964957][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.964957][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.964957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.964957][ T74] ip6_route_add+0x1c/0x140 [ 1826.964957][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1826.964957][ T74] addrconf_add_dev+0xe2/0x170 [ 1826.964957][ T74] inet6_addr_add+0x12f/0xa40 [ 1826.964957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.964957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.964957][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.964957][ T74] netlink_unicast+0x449/0x710 [ 1826.964957][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.964957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.964957][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.964957][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.964957][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.964957][ T74] [ 1826.967418][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1826.967418][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1826.967418][ T74] ipv6_find_idev+0x102/0x170 [ 1826.967418][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.967418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.967418][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.967418][ T74] netlink_unicast+0x449/0x710 [ 1826.967418][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.967418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.967418][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.967418][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.967418][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.967418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.967418][ T74] [ 1826.969337][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1826.969337][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1826.969337][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1826.969337][ T74] ipv6_find_idev+0x102/0x170 [ 1826.969337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.969337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.969337][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.969337][ T74] netlink_unicast+0x449/0x710 [ 1826.969337][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.969337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.969337][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.969337][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.969337][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.969337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.969337][ T74] [ 1826.972001][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1826.972276][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1826.972276][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.972276][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.972276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.972276][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1826.972276][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1826.972276][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1826.972276][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1826.972276][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1826.972276][ T74] addrconf_dad_begin+0x310/0x670 [ 1826.972276][ T74] addrconf_dad_work+0x10b/0xab0 [ 1826.972276][ T74] process_one_work+0x84d/0x18a0 [ 1826.972276][ T74] worker_thread+0x587/0xd30 [ 1826.972276][ T74] kthread+0x28a/0x350 [ 1826.972276][ T74] ret_from_fork+0x31/0x70 [ 1826.972276][ T74] ret_from_fork_asm+0x1a/0x30 [ 1826.972276][ T74] [ 1826.974659][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1826.974659][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.974659][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.974659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.974659][ T74] ip6_route_add+0x1c/0x140 [ 1826.974659][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1826.974659][ T74] inet6_addr_add+0x4f8/0xa40 [ 1826.974659][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.974659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.974659][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.974659][ T74] netlink_unicast+0x449/0x710 [ 1826.974659][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.974659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.974659][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.974659][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.974659][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.974659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.974659][ T74] [ 1826.977300][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1826.977300][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.977300][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.977300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.977300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1826.977300][ T74] ipv6_add_addr+0x411/0x2000 [ 1826.977300][ T74] inet6_addr_add+0x30e/0xa40 [ 1826.977300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.977300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.977300][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.977300][ T74] netlink_unicast+0x449/0x710 [ 1826.977300][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.977300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.977300][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.977300][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.977300][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.977300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.977300][ T74] [ 1826.979842][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1826.979842][ T74] netdev_get_by_index+0x5e/0x80 [ 1826.979842][ T74] fib6_nh_init+0x3d8/0x1580 [ 1826.979842][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1826.979842][ T74] ip6_route_add+0x1c/0x140 [ 1826.979842][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1826.979842][ T74] addrconf_add_dev+0xe2/0x170 [ 1826.979842][ T74] inet6_addr_add+0x12f/0xa40 [ 1826.979842][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1826.979842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.979842][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.979842][ T74] netlink_unicast+0x449/0x710 [ 1826.979842][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.979842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.979842][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.979842][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.979842][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.979842][ T74] [ 1826.982345][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1826.982345][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1826.982345][ T74] ipv6_find_idev+0x102/0x170 [ 1826.982345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.982345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.982345][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.982345][ T74] netlink_unicast+0x449/0x710 [ 1826.982345][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.982345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.982345][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.982345][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.982345][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.982345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.982345][ T74] [ 1826.984405][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1826.984405][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1826.984405][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1826.984405][ T74] ipv6_find_idev+0x102/0x170 [ 1826.984405][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1826.984405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1826.984405][ T74] netlink_rcv_skb+0x130/0x360 [ 1826.984405][ T74] netlink_unicast+0x449/0x710 [ 1826.984405][ T74] netlink_sendmsg+0x723/0xbe0 [ 1826.984405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1826.984405][ T74] ___sys_sendmsg+0xee/0x170 [ 1826.984405][ T74] __sys_sendmsg+0xcd/0x170 [ 1826.984405][ T74] do_syscall_64+0xc6/0x1e0 [ 1826.984405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1826.984405][ T74] [ 1837.136862][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1837.137234][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1837.137234][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.137234][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.137234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.137234][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1837.137234][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.137234][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1837.137234][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.137234][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1837.137234][ T74] addrconf_dad_begin+0x310/0x670 [ 1837.137234][ T74] addrconf_dad_work+0x10b/0xab0 [ 1837.137234][ T74] process_one_work+0x84d/0x18a0 [ 1837.137234][ T74] worker_thread+0x587/0xd30 [ 1837.137234][ T74] kthread+0x28a/0x350 [ 1837.137234][ T74] ret_from_fork+0x31/0x70 [ 1837.137234][ T74] ret_from_fork_asm+0x1a/0x30 [ 1837.137234][ T74] [ 1837.139586][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1837.139586][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.139586][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.139586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.139586][ T74] ip6_route_add+0x1c/0x140 [ 1837.139586][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.139586][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.139586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.139586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.139586][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.139586][ T74] netlink_unicast+0x449/0x710 [ 1837.139586][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.139586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.139586][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.139586][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.139586][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.139586][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.139586][ T74] [ 1837.142014][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1837.142014][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.142014][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.142014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.142014][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.142014][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.142014][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.142014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.142014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.142014][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.142014][ T74] netlink_unicast+0x449/0x710 [ 1837.142014][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.142014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.142014][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.142014][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.142014][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.142014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.142014][ T74] [ 1837.144409][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1837.144409][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.144409][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.144409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.144409][ T74] ip6_route_add+0x1c/0x140 [ 1837.144409][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.144409][ T74] addrconf_add_dev+0xe2/0x170 [ 1837.144409][ T74] inet6_addr_add+0x12f/0xa40 [ 1837.144409][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.144409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.144409][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.144409][ T74] netlink_unicast+0x449/0x710 [ 1837.144409][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.144409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.144409][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.144409][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.144409][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.144409][ T74] [ 1837.146730][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1837.146730][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.146730][ T74] ipv6_find_idev+0x102/0x170 [ 1837.146730][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.146730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.146730][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.146730][ T74] netlink_unicast+0x449/0x710 [ 1837.146730][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.146730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.146730][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.146730][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.146730][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.146730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.146730][ T74] [ 1837.148583][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1837.148583][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.148583][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.148583][ T74] ipv6_find_idev+0x102/0x170 [ 1837.148583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.148583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.148583][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.148583][ T74] netlink_unicast+0x449/0x710 [ 1837.148583][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.148583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.148583][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.148583][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.148583][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.148583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.148583][ T74] [ 1837.150600][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1837.150899][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1837.150899][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.150899][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.150899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.150899][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1837.150899][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.150899][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1837.150899][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.150899][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1837.150899][ T74] addrconf_dad_begin+0x310/0x670 [ 1837.150899][ T74] addrconf_dad_work+0x10b/0xab0 [ 1837.150899][ T74] process_one_work+0x84d/0x18a0 [ 1837.150899][ T74] worker_thread+0x587/0xd30 [ 1837.150899][ T74] kthread+0x28a/0x350 [ 1837.150899][ T74] ret_from_fork+0x31/0x70 [ 1837.150899][ T74] ret_from_fork_asm+0x1a/0x30 [ 1837.150899][ T74] [ 1837.153218][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1837.153218][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.153218][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.153218][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.153218][ T74] ip6_route_add+0x1c/0x140 [ 1837.153218][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.153218][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.153218][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.153218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.153218][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.153218][ T74] netlink_unicast+0x449/0x710 [ 1837.153218][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.153218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.153218][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.153218][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.153218][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.153218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.153218][ T74] [ 1837.155714][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1837.155714][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.155714][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.155714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.155714][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.155714][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.155714][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.155714][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.155714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.155714][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.155714][ T74] netlink_unicast+0x449/0x710 [ 1837.155714][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.155714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.155714][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.155714][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.155714][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.155714][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.155714][ T74] [ 1837.158437][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1837.158437][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.158437][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.158437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.158437][ T74] ip6_route_add+0x1c/0x140 [ 1837.158437][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.158437][ T74] addrconf_add_dev+0xe2/0x170 [ 1837.158437][ T74] inet6_addr_add+0x12f/0xa40 [ 1837.158437][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.158437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.158437][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.158437][ T74] netlink_unicast+0x449/0x710 [ 1837.158437][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.158437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.158437][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.158437][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.158437][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.158437][ T74] [ 1837.161008][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1837.161008][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.161008][ T74] ipv6_find_idev+0x102/0x170 [ 1837.161008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.161008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.161008][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.161008][ T74] netlink_unicast+0x449/0x710 [ 1837.161008][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.161008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.161008][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.161008][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.161008][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.161008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.161008][ T74] [ 1837.163104][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1837.163104][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.163104][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.163104][ T74] ipv6_find_idev+0x102/0x170 [ 1837.163104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.163104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.163104][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.163104][ T74] netlink_unicast+0x449/0x710 [ 1837.163104][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.163104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.163104][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.163104][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.163104][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.163104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.163104][ T74] [ 1837.165227][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1837.165509][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1837.165509][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.165509][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.165509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.165509][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1837.165509][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.165509][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1837.165509][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.165509][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1837.165509][ T74] addrconf_dad_begin+0x310/0x670 [ 1837.165509][ T74] addrconf_dad_work+0x10b/0xab0 [ 1837.165509][ T74] process_one_work+0x84d/0x18a0 [ 1837.165509][ T74] worker_thread+0x587/0xd30 [ 1837.165509][ T74] kthread+0x28a/0x350 [ 1837.165509][ T74] ret_from_fork+0x31/0x70 [ 1837.165509][ T74] ret_from_fork_asm+0x1a/0x30 [ 1837.165509][ T74] [ 1837.168001][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1837.168001][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.168001][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.168001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.168001][ T74] ip6_route_add+0x1c/0x140 [ 1837.168001][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.168001][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.168001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.168001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.168001][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.168001][ T74] netlink_unicast+0x449/0x710 [ 1837.168001][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.168001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.168001][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.168001][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.168001][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.168001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.168001][ T74] [ 1837.170337][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1837.170337][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.170337][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.170337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.170337][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.170337][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.170337][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.170337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.170337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.170337][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.170337][ T74] netlink_unicast+0x449/0x710 [ 1837.170337][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.170337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.170337][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.170337][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.170337][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.170337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.170337][ T74] [ 1837.172867][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1837.172867][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.172867][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.172867][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.172867][ T74] ip6_route_add+0x1c/0x140 [ 1837.172867][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.172867][ T74] addrconf_add_dev+0xe2/0x170 [ 1837.172867][ T74] inet6_addr_add+0x12f/0xa40 [ 1837.172867][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.172867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.172867][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.172867][ T74] netlink_unicast+0x449/0x710 [ 1837.172867][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.172867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.172867][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.172867][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.172867][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.172867][ T74] [ 1837.175368][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1837.175368][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.175368][ T74] ipv6_find_idev+0x102/0x170 [ 1837.175368][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.175368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.175368][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.175368][ T74] netlink_unicast+0x449/0x710 [ 1837.175368][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.175368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.175368][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.175368][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.175368][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.175368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.175368][ T74] [ 1837.177377][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1837.177377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.177377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.177377][ T74] ipv6_find_idev+0x102/0x170 [ 1837.177377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.177377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.177377][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.177377][ T74] netlink_unicast+0x449/0x710 [ 1837.177377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.177377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.177377][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.177377][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.177377][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.177377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.177377][ T74] [ 1837.179603][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1837.179903][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1837.179903][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.179903][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.179903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.179903][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1837.179903][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1837.179903][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1837.179903][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1837.179903][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1837.179903][ T74] addrconf_dad_begin+0x310/0x670 [ 1837.179903][ T74] addrconf_dad_work+0x10b/0xab0 [ 1837.179903][ T74] process_one_work+0x84d/0x18a0 [ 1837.179903][ T74] worker_thread+0x587/0xd30 [ 1837.179903][ T74] kthread+0x28a/0x350 [ 1837.179903][ T74] ret_from_fork+0x31/0x70 [ 1837.179903][ T74] ret_from_fork_asm+0x1a/0x30 [ 1837.179903][ T74] [ 1837.182436][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1837.182436][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.182436][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.182436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.182436][ T74] ip6_route_add+0x1c/0x140 [ 1837.182436][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1837.182436][ T74] inet6_addr_add+0x4f8/0xa40 [ 1837.182436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.182436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.182436][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.182436][ T74] netlink_unicast+0x449/0x710 [ 1837.182436][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.182436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.182436][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.182436][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.182436][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.182436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.182436][ T74] [ 1837.185020][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1837.185020][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.185020][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.185020][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.185020][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1837.185020][ T74] ipv6_add_addr+0x411/0x2000 [ 1837.185020][ T74] inet6_addr_add+0x30e/0xa40 [ 1837.185020][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.185020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.185020][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.185020][ T74] netlink_unicast+0x449/0x710 [ 1837.185020][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.185020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.185020][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.185020][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.185020][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.185020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.185020][ T74] [ 1837.187362][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1837.187362][ T74] netdev_get_by_index+0x5e/0x80 [ 1837.187362][ T74] fib6_nh_init+0x3d8/0x1580 [ 1837.187362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1837.187362][ T74] ip6_route_add+0x1c/0x140 [ 1837.187362][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1837.187362][ T74] addrconf_add_dev+0xe2/0x170 [ 1837.187362][ T74] inet6_addr_add+0x12f/0xa40 [ 1837.187362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1837.187362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.187362][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.187362][ T74] netlink_unicast+0x449/0x710 [ 1837.187362][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.187362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.187362][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.187362][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.187362][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.187362][ T74] [ 1837.189852][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1837.189852][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1837.189852][ T74] ipv6_find_idev+0x102/0x170 [ 1837.189852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.189852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.189852][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.189852][ T74] netlink_unicast+0x449/0x710 [ 1837.189852][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.189852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.189852][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.189852][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.189852][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.189852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.189852][ T74] [ 1837.191998][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1837.191998][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1837.191998][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1837.191998][ T74] ipv6_find_idev+0x102/0x170 [ 1837.191998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1837.191998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1837.191998][ T74] netlink_rcv_skb+0x130/0x360 [ 1837.191998][ T74] netlink_unicast+0x449/0x710 [ 1837.191998][ T74] netlink_sendmsg+0x723/0xbe0 [ 1837.191998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1837.191998][ T74] ___sys_sendmsg+0xee/0x170 [ 1837.191998][ T74] __sys_sendmsg+0xcd/0x170 [ 1837.191998][ T74] do_syscall_64+0xc6/0x1e0 [ 1837.191998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1837.191998][ T74]