[ 102.985766][ C0] hrtimer: interrupt took 15066225 ns [ 103.027778][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 103.039722][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 103.039722][ T10] netdev_get_by_index+0x5e/0x80 [ 103.039722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.039722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.039722][ T10] ip6_route_add+0x1c/0x140 [ 103.039722][ T10] addrconf_prefix_route+0x2a6/0x430 [ 103.039722][ T10] inet6_addr_add+0x4f8/0xa40 [ 103.039722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 103.039722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.039722][ T10] netlink_rcv_skb+0x130/0x360 [ 103.039722][ T10] netlink_unicast+0x449/0x710 [ 103.039722][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.039722][ T10] __sys_sendto+0x37d/0x410 [ 103.039722][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.039722][ T10] do_syscall_64+0xc6/0x1e0 [ 103.039722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.039722][ T10] [ 103.050488][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 103.050488][ T10] netdev_get_by_index+0x5e/0x80 [ 103.050488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.050488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.050488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 103.050488][ T10] ipv6_add_addr+0x411/0x2000 [ 103.050488][ T10] inet6_addr_add+0x30e/0xa40 [ 103.050488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 103.050488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.050488][ T10] netlink_rcv_skb+0x130/0x360 [ 103.050488][ T10] netlink_unicast+0x449/0x710 [ 103.050488][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.050488][ T10] __sys_sendto+0x37d/0x410 [ 103.050488][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.050488][ T10] do_syscall_64+0xc6/0x1e0 [ 103.050488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.050488][ T10] [ 103.057386][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 3/212 users at [ 103.057386][ T10] dst_init+0x84/0x4a0 [ 103.057386][ T10] dst_alloc+0x97/0x150 [ 103.057386][ T10] ip6_dst_alloc+0x23/0x90 [ 103.057386][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.057386][ T10] ip6_pol_route+0x56f/0x840 [ 103.057386][ T10] fib6_rule_lookup+0x334/0x630 [ 103.057386][ T10] ip6_route_output_flags+0x259/0x480 [ 103.057386][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 103.057386][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 103.057386][ T10] tcp_v6_connect+0xa69/0x1ba0 [ 103.057386][ T10] __inet_stream_connect+0x272/0x9f0 [ 103.057386][ T10] inet_stream_connect+0x57/0xa0 [ 103.057386][ T10] __sys_connect+0x217/0x2a0 [ 103.057386][ T10] __x64_sys_connect+0x72/0xb0 [ 103.057386][ T10] do_syscall_64+0xc6/0x1e0 [ 103.057386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.057386][ T10] [ 103.063413][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 4/212 users at [ 103.063413][ T10] dst_init+0x84/0x4a0 [ 103.063413][ T10] dst_alloc+0x97/0x150 [ 103.063413][ T10] ip6_dst_alloc+0x23/0x90 [ 103.063413][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.063413][ T10] ip6_pol_route+0x56f/0x840 [ 103.063413][ T10] fib6_rule_lookup+0x456/0x630 [ 103.063413][ T10] ip6_route_input+0x59c/0xa40 [ 103.063413][ T10] ipv6_rcv+0x184/0x520 [ 103.063413][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.063413][ T10] process_backlog+0x101/0x620 [ 103.063413][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 103.063413][ T10] net_rx_action+0x495/0xbe0 [ 103.063413][ T10] __do_softirq+0x1b5/0x7f6 [ 103.063413][ T10] [ 103.069177][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 103.069177][ T10] dst_init+0x84/0x4a0 [ 103.069177][ T10] dst_alloc+0x97/0x150 [ 103.069177][ T10] ip6_dst_alloc+0x23/0x90 [ 103.069177][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.069177][ T10] ip6_pol_route+0x56f/0x840 [ 103.069177][ T10] fib6_rule_lookup+0x334/0x630 [ 103.069177][ T10] ip6_route_output_flags+0x259/0x480 [ 103.069177][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 103.069177][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 103.069177][ T10] tcp_v6_send_response+0x1008/0x2340 [ 103.069177][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 103.069177][ T10] tcp_v6_rcv+0xcac/0x2540 [ 103.069177][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 103.069177][ T10] ip6_input+0x165/0x2b0 [ 103.069177][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.069177][ T10] process_backlog+0x101/0x620 [ 103.069177][ T10] [ 103.076248][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 103.076248][ T10] netdev_get_by_index+0x5e/0x80 [ 103.076248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.076248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.076248][ T10] ip6_route_add+0x1c/0x140 [ 103.076248][ T10] inet6_rtm_newroute+0x104/0x110 [ 103.076248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.076248][ T10] netlink_rcv_skb+0x130/0x360 [ 103.076248][ T10] netlink_unicast+0x449/0x710 [ 103.076248][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.076248][ T10] __sys_sendto+0x37d/0x410 [ 103.076248][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.076248][ T10] do_syscall_64+0xc6/0x1e0 [ 103.076248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.076248][ T10] [ 103.082956][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 103.082956][ T10] netdev_get_by_index+0x5e/0x80 [ 103.082956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.082956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.082956][ T10] ip6_route_add+0x1c/0x140 [ 103.082956][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 103.082956][ T10] addrconf_add_dev+0xe2/0x170 [ 103.082956][ T10] inet6_addr_add+0x12f/0xa40 [ 103.082956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 103.082956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.082956][ T10] netlink_rcv_skb+0x130/0x360 [ 103.082956][ T10] netlink_unicast+0x449/0x710 [ 103.082956][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.082956][ T10] __sys_sendto+0x37d/0x410 [ 103.082956][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.082956][ T10] do_syscall_64+0xc6/0x1e0 [ 103.082956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.082956][ T10] [ 103.091122][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 103.091122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 103.091122][ T10] ipv6_find_idev+0x102/0x170 [ 103.091122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.091122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.091122][ T10] netlink_rcv_skb+0x130/0x360 [ 103.091122][ T10] netlink_unicast+0x449/0x710 [ 103.091122][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.091122][ T10] __sys_sendto+0x37d/0x410 [ 103.091122][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.091122][ T10] do_syscall_64+0xc6/0x1e0 [ 103.091122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.091122][ T10] [ 103.095995][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 103.095995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 103.095995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 103.095995][ T10] ipv6_find_idev+0x102/0x170 [ 103.095995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.095995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.095995][ T10] netlink_rcv_skb+0x130/0x360 [ 103.095995][ T10] netlink_unicast+0x449/0x710 [ 103.095995][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.095995][ T10] __sys_sendto+0x37d/0x410 [ 103.095995][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.095995][ T10] do_syscall_64+0xc6/0x1e0 [ 103.095995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.095995][ T10] [ 103.101564][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8576 [ 103.105916][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 372/8575 users at [ 103.105916][ T10] dst_init+0x84/0x4a0 [ 103.105916][ T10] dst_alloc+0x97/0x150 [ 103.105916][ T10] ip6_dst_alloc+0x23/0x90 [ 103.105916][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.105916][ T10] ip6_pol_route+0x56f/0x840 [ 103.105916][ T10] fib6_rule_lookup+0x334/0x630 [ 103.105916][ T10] ip6_route_output_flags+0x259/0x480 [ 103.105916][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 103.105916][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 103.105916][ T10] inet6_csk_route_req+0x4af/0x6e0 [ 103.105916][ T10] tcp_conn_request+0xa5d/0x2d10 [ 103.105916][ T10] tcp_rcv_state_process+0x453/0x1fe0 [ 103.105916][ T10] tcp_v6_do_rcv+0x343/0x12f0 [ 103.105916][ T10] tcp_v6_rcv+0x2166/0x2540 [ 103.105916][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 103.105916][ T10] ip6_input+0x165/0x2b0 [ 103.105916][ T10] [ 103.113799][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 8193/8575 users at [ 103.113799][ T10] netdev_get_by_index+0x5e/0x80 [ 103.113799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.113799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.113799][ T10] ip6_route_add+0x1c/0x140 [ 103.113799][ T10] inet6_rtm_newroute+0x104/0x110 [ 103.113799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.113799][ T10] netlink_rcv_skb+0x130/0x360 [ 103.113799][ T10] netlink_unicast+0x449/0x710 [ 103.113799][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.113799][ T10] __sys_sendto+0x37d/0x410 [ 103.113799][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.113799][ T10] do_syscall_64+0xc6/0x1e0 [ 103.113799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.113799][ T10] [ 103.119599][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 103.119599][ T10] dst_init+0x84/0x4a0 [ 103.119599][ T10] dst_alloc+0x97/0x150 [ 103.119599][ T10] ip6_dst_alloc+0x23/0x90 [ 103.119599][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.119599][ T10] ip6_pol_route+0x56f/0x840 [ 103.119599][ T10] fib6_rule_lookup+0x334/0x630 [ 103.119599][ T10] ip6_route_output_flags+0x259/0x480 [ 103.119599][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 103.119599][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 103.119599][ T10] tcp_v6_send_response+0x1008/0x2340 [ 103.119599][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 103.119599][ T10] tcp_v6_rcv+0xcac/0x2540 [ 103.119599][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 103.119599][ T10] ip6_input+0x165/0x2b0 [ 103.119599][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.119599][ T10] process_backlog+0x101/0x620 [ 103.119599][ T10] [ 103.126433][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 4/8575 users at [ 103.126433][ T10] dst_init+0x84/0x4a0 [ 103.126433][ T10] dst_alloc+0x97/0x150 [ 103.126433][ T10] ip6_dst_alloc+0x23/0x90 [ 103.126433][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.126433][ T10] ip6_pol_route+0x56f/0x840 [ 103.126433][ T10] fib6_rule_lookup+0x456/0x630 [ 103.126433][ T10] ip6_route_input+0x59c/0xa40 [ 103.126433][ T10] ipv6_rcv+0x184/0x520 [ 103.126433][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.126433][ T10] process_backlog+0x101/0x620 [ 103.126433][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 103.126433][ T10] net_rx_action+0x495/0xbe0 [ 103.126433][ T10] __do_softirq+0x1b5/0x7f6 [ 103.126433][ T10] [ 103.141649][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 103.141649][ T10] netdev_get_by_index+0x5e/0x80 [ 103.141649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.141649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.141649][ T10] ip6_route_add+0x1c/0x140 [ 103.141649][ T10] addrconf_prefix_route+0x2a6/0x430 [ 103.141649][ T10] inet6_addr_add+0x4f8/0xa40 [ 103.141649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 103.141649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.141649][ T10] netlink_rcv_skb+0x130/0x360 [ 103.141649][ T10] netlink_unicast+0x449/0x710 [ 103.141649][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.141649][ T10] __sys_sendto+0x37d/0x410 [ 103.141649][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.141649][ T10] do_syscall_64+0xc6/0x1e0 [ 103.141649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.141649][ T10] [ 103.148596][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 103.148596][ T10] netdev_get_by_index+0x5e/0x80 [ 103.148596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.148596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.148596][ T10] addrconf_f6i_alloc+0x315/0x560 [ 103.148596][ T10] ipv6_add_addr+0x411/0x2000 [ 103.148596][ T10] inet6_addr_add+0x30e/0xa40 [ 103.148596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 103.148596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.148596][ T10] netlink_rcv_skb+0x130/0x360 [ 103.148596][ T10] netlink_unicast+0x449/0x710 [ 103.148596][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.148596][ T10] __sys_sendto+0x37d/0x410 [ 103.148596][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.148596][ T10] do_syscall_64+0xc6/0x1e0 [ 103.148596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.148596][ T10] [ 103.152990][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 103.152990][ T10] netdev_get_by_index+0x5e/0x80 [ 103.152990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 103.152990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 103.152990][ T10] ip6_route_add+0x1c/0x140 [ 103.152990][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 103.152990][ T10] addrconf_add_dev+0xe2/0x170 [ 103.152990][ T10] inet6_addr_add+0x12f/0xa40 [ 103.152990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 103.152990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.152990][ T10] netlink_rcv_skb+0x130/0x360 [ 103.152990][ T10] netlink_unicast+0x449/0x710 [ 103.152990][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.152990][ T10] __sys_sendto+0x37d/0x410 [ 103.152990][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.152990][ T10] do_syscall_64+0xc6/0x1e0 [ 103.152990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.152990][ T10] [ 103.168530][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 103.168530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 103.168530][ T10] ipv6_find_idev+0x102/0x170 [ 103.168530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.168530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.168530][ T10] netlink_rcv_skb+0x130/0x360 [ 103.168530][ T10] netlink_unicast+0x449/0x710 [ 103.168530][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.168530][ T10] __sys_sendto+0x37d/0x410 [ 103.168530][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.168530][ T10] do_syscall_64+0xc6/0x1e0 [ 103.168530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.168530][ T10] [ 103.175085][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 103.175085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 103.175085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 103.175085][ T10] ipv6_find_idev+0x102/0x170 [ 103.175085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.175085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.175085][ T10] netlink_rcv_skb+0x130/0x360 [ 103.175085][ T10] netlink_unicast+0x449/0x710 [ 103.175085][ T10] netlink_sendmsg+0x723/0xbe0 [ 103.175085][ T10] __sys_sendto+0x37d/0x410 [ 103.175085][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 103.175085][ T10] do_syscall_64+0xc6/0x1e0 [ 103.175085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.175085][ T10] [ 103.178744][ T10] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 103.179319][ T10] ref_tracker: lo@ffff8880068c95b8 has 396/396 users at [ 103.179319][ T10] dst_init+0x84/0x4a0 [ 103.179319][ T10] dst_alloc+0x97/0x150 [ 103.179319][ T10] ip6_dst_alloc+0x23/0x90 [ 103.179319][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.179319][ T10] ip6_pol_route+0x56f/0x840 [ 103.179319][ T10] fib6_rule_lookup+0x456/0x630 [ 103.179319][ T10] ip6_route_input+0x59c/0xa40 [ 103.179319][ T10] ipv6_rcv+0x184/0x520 [ 103.179319][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.179319][ T10] process_backlog+0x101/0x620 [ 103.179319][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 103.179319][ T10] net_rx_action+0x495/0xbe0 [ 103.179319][ T10] __do_softirq+0x1b5/0x7f6 [ 103.179319][ T10] [ 113.394703][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 113.395223][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 113.395223][ T10] netdev_get_by_index+0x5e/0x80 [ 113.395223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.395223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.395223][ T10] ip6_route_add+0x1c/0x140 [ 113.395223][ T10] addrconf_prefix_route+0x2a6/0x430 [ 113.395223][ T10] inet6_addr_add+0x4f8/0xa40 [ 113.395223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 113.395223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.395223][ T10] netlink_rcv_skb+0x130/0x360 [ 113.395223][ T10] netlink_unicast+0x449/0x710 [ 113.395223][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.395223][ T10] __sys_sendto+0x37d/0x410 [ 113.395223][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.395223][ T10] do_syscall_64+0xc6/0x1e0 [ 113.395223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.395223][ T10] [ 113.397283][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 113.397283][ T10] netdev_get_by_index+0x5e/0x80 [ 113.397283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.397283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.397283][ T10] addrconf_f6i_alloc+0x315/0x560 [ 113.397283][ T10] ipv6_add_addr+0x411/0x2000 [ 113.397283][ T10] inet6_addr_add+0x30e/0xa40 [ 113.397283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 113.397283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.397283][ T10] netlink_rcv_skb+0x130/0x360 [ 113.397283][ T10] netlink_unicast+0x449/0x710 [ 113.397283][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.397283][ T10] __sys_sendto+0x37d/0x410 [ 113.397283][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.397283][ T10] do_syscall_64+0xc6/0x1e0 [ 113.397283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.397283][ T10] [ 113.399236][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 3/212 users at [ 113.399236][ T10] dst_init+0x84/0x4a0 [ 113.399236][ T10] dst_alloc+0x97/0x150 [ 113.399236][ T10] ip6_dst_alloc+0x23/0x90 [ 113.399236][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.399236][ T10] ip6_pol_route+0x56f/0x840 [ 113.399236][ T10] fib6_rule_lookup+0x334/0x630 [ 113.399236][ T10] ip6_route_output_flags+0x259/0x480 [ 113.399236][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 113.399236][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 113.399236][ T10] tcp_v6_connect+0xa69/0x1ba0 [ 113.399236][ T10] __inet_stream_connect+0x272/0x9f0 [ 113.399236][ T10] inet_stream_connect+0x57/0xa0 [ 113.399236][ T10] __sys_connect+0x217/0x2a0 [ 113.399236][ T10] __x64_sys_connect+0x72/0xb0 [ 113.399236][ T10] do_syscall_64+0xc6/0x1e0 [ 113.399236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.399236][ T10] [ 113.401319][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 4/212 users at [ 113.401319][ T10] dst_init+0x84/0x4a0 [ 113.401319][ T10] dst_alloc+0x97/0x150 [ 113.401319][ T10] ip6_dst_alloc+0x23/0x90 [ 113.401319][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.401319][ T10] ip6_pol_route+0x56f/0x840 [ 113.401319][ T10] fib6_rule_lookup+0x456/0x630 [ 113.401319][ T10] ip6_route_input+0x59c/0xa40 [ 113.401319][ T10] ipv6_rcv+0x184/0x520 [ 113.401319][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.401319][ T10] process_backlog+0x101/0x620 [ 113.401319][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 113.401319][ T10] net_rx_action+0x495/0xbe0 [ 113.401319][ T10] __do_softirq+0x1b5/0x7f6 [ 113.401319][ T10] [ 113.403209][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 113.403209][ T10] dst_init+0x84/0x4a0 [ 113.403209][ T10] dst_alloc+0x97/0x150 [ 113.403209][ T10] ip6_dst_alloc+0x23/0x90 [ 113.403209][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.403209][ T10] ip6_pol_route+0x56f/0x840 [ 113.403209][ T10] fib6_rule_lookup+0x334/0x630 [ 113.403209][ T10] ip6_route_output_flags+0x259/0x480 [ 113.403209][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 113.403209][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 113.403209][ T10] tcp_v6_send_response+0x1008/0x2340 [ 113.403209][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 113.403209][ T10] tcp_v6_rcv+0xcac/0x2540 [ 113.403209][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 113.403209][ T10] ip6_input+0x165/0x2b0 [ 113.403209][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.403209][ T10] process_backlog+0x101/0x620 [ 113.403209][ T10] [ 113.405259][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 113.405259][ T10] netdev_get_by_index+0x5e/0x80 [ 113.405259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.405259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.405259][ T10] ip6_route_add+0x1c/0x140 [ 113.405259][ T10] inet6_rtm_newroute+0x104/0x110 [ 113.405259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.405259][ T10] netlink_rcv_skb+0x130/0x360 [ 113.405259][ T10] netlink_unicast+0x449/0x710 [ 113.405259][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.405259][ T10] __sys_sendto+0x37d/0x410 [ 113.405259][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.405259][ T10] do_syscall_64+0xc6/0x1e0 [ 113.405259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.405259][ T10] [ 113.406990][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 113.406990][ T10] netdev_get_by_index+0x5e/0x80 [ 113.406990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.406990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.406990][ T10] ip6_route_add+0x1c/0x140 [ 113.406990][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 113.406990][ T10] addrconf_add_dev+0xe2/0x170 [ 113.406990][ T10] inet6_addr_add+0x12f/0xa40 [ 113.406990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 113.406990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.406990][ T10] netlink_rcv_skb+0x130/0x360 [ 113.406990][ T10] netlink_unicast+0x449/0x710 [ 113.406990][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.406990][ T10] __sys_sendto+0x37d/0x410 [ 113.406990][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.406990][ T10] do_syscall_64+0xc6/0x1e0 [ 113.406990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.406990][ T10] [ 113.408994][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 113.408994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 113.408994][ T10] ipv6_find_idev+0x102/0x170 [ 113.408994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.408994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.408994][ T10] netlink_rcv_skb+0x130/0x360 [ 113.408994][ T10] netlink_unicast+0x449/0x710 [ 113.408994][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.408994][ T10] __sys_sendto+0x37d/0x410 [ 113.408994][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.408994][ T10] do_syscall_64+0xc6/0x1e0 [ 113.408994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.408994][ T10] [ 113.410439][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 113.410439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 113.410439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 113.410439][ T10] ipv6_find_idev+0x102/0x170 [ 113.410439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.410439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.410439][ T10] netlink_rcv_skb+0x130/0x360 [ 113.410439][ T10] netlink_unicast+0x449/0x710 [ 113.410439][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.410439][ T10] __sys_sendto+0x37d/0x410 [ 113.410439][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.410439][ T10] do_syscall_64+0xc6/0x1e0 [ 113.410439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.410439][ T10] [ 113.412062][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8576 [ 113.413535][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 372/8575 users at [ 113.413535][ T10] dst_init+0x84/0x4a0 [ 113.413535][ T10] dst_alloc+0x97/0x150 [ 113.413535][ T10] ip6_dst_alloc+0x23/0x90 [ 113.413535][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.413535][ T10] ip6_pol_route+0x56f/0x840 [ 113.413535][ T10] fib6_rule_lookup+0x334/0x630 [ 113.413535][ T10] ip6_route_output_flags+0x259/0x480 [ 113.413535][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 113.413535][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 113.413535][ T10] inet6_csk_route_req+0x4af/0x6e0 [ 113.413535][ T10] tcp_conn_request+0xa5d/0x2d10 [ 113.413535][ T10] tcp_rcv_state_process+0x453/0x1fe0 [ 113.413535][ T10] tcp_v6_do_rcv+0x343/0x12f0 [ 113.413535][ T10] tcp_v6_rcv+0x2166/0x2540 [ 113.413535][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 113.413535][ T10] ip6_input+0x165/0x2b0 [ 113.413535][ T10] [ 113.415603][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 8193/8575 users at [ 113.415603][ T10] netdev_get_by_index+0x5e/0x80 [ 113.415603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.415603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.415603][ T10] ip6_route_add+0x1c/0x140 [ 113.415603][ T10] inet6_rtm_newroute+0x104/0x110 [ 113.415603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.415603][ T10] netlink_rcv_skb+0x130/0x360 [ 113.415603][ T10] netlink_unicast+0x449/0x710 [ 113.415603][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.415603][ T10] __sys_sendto+0x37d/0x410 [ 113.415603][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.415603][ T10] do_syscall_64+0xc6/0x1e0 [ 113.415603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.415603][ T10] [ 113.417307][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 113.417307][ T10] dst_init+0x84/0x4a0 [ 113.417307][ T10] dst_alloc+0x97/0x150 [ 113.417307][ T10] ip6_dst_alloc+0x23/0x90 [ 113.417307][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.417307][ T10] ip6_pol_route+0x56f/0x840 [ 113.417307][ T10] fib6_rule_lookup+0x334/0x630 [ 113.417307][ T10] ip6_route_output_flags+0x259/0x480 [ 113.417307][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 113.417307][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 113.417307][ T10] tcp_v6_send_response+0x1008/0x2340 [ 113.417307][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 113.417307][ T10] tcp_v6_rcv+0xcac/0x2540 [ 113.417307][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 113.417307][ T10] ip6_input+0x165/0x2b0 [ 113.417307][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.417307][ T10] process_backlog+0x101/0x620 [ 113.417307][ T10] [ 113.419343][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 4/8575 users at [ 113.419343][ T10] dst_init+0x84/0x4a0 [ 113.419343][ T10] dst_alloc+0x97/0x150 [ 113.419343][ T10] ip6_dst_alloc+0x23/0x90 [ 113.419343][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.419343][ T10] ip6_pol_route+0x56f/0x840 [ 113.419343][ T10] fib6_rule_lookup+0x456/0x630 [ 113.419343][ T10] ip6_route_input+0x59c/0xa40 [ 113.419343][ T10] ipv6_rcv+0x184/0x520 [ 113.419343][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.419343][ T10] process_backlog+0x101/0x620 [ 113.419343][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 113.419343][ T10] net_rx_action+0x495/0xbe0 [ 113.419343][ T10] __do_softirq+0x1b5/0x7f6 [ 113.419343][ T10] [ 113.420984][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 113.420984][ T10] netdev_get_by_index+0x5e/0x80 [ 113.420984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.420984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.420984][ T10] ip6_route_add+0x1c/0x140 [ 113.420984][ T10] addrconf_prefix_route+0x2a6/0x430 [ 113.420984][ T10] inet6_addr_add+0x4f8/0xa40 [ 113.420984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 113.420984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.420984][ T10] netlink_rcv_skb+0x130/0x360 [ 113.420984][ T10] netlink_unicast+0x449/0x710 [ 113.420984][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.420984][ T10] __sys_sendto+0x37d/0x410 [ 113.420984][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.420984][ T10] do_syscall_64+0xc6/0x1e0 [ 113.420984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.420984][ T10] [ 113.423014][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 113.423014][ T10] netdev_get_by_index+0x5e/0x80 [ 113.423014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.423014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.423014][ T10] addrconf_f6i_alloc+0x315/0x560 [ 113.423014][ T10] ipv6_add_addr+0x411/0x2000 [ 113.423014][ T10] inet6_addr_add+0x30e/0xa40 [ 113.423014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 113.423014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.423014][ T10] netlink_rcv_skb+0x130/0x360 [ 113.423014][ T10] netlink_unicast+0x449/0x710 [ 113.423014][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.423014][ T10] __sys_sendto+0x37d/0x410 [ 113.423014][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.423014][ T10] do_syscall_64+0xc6/0x1e0 [ 113.423014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.423014][ T10] [ 113.425199][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 113.425199][ T10] netdev_get_by_index+0x5e/0x80 [ 113.425199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 113.425199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 113.425199][ T10] ip6_route_add+0x1c/0x140 [ 113.425199][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 113.425199][ T10] addrconf_add_dev+0xe2/0x170 [ 113.425199][ T10] inet6_addr_add+0x12f/0xa40 [ 113.425199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 113.425199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.425199][ T10] netlink_rcv_skb+0x130/0x360 [ 113.425199][ T10] netlink_unicast+0x449/0x710 [ 113.425199][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.425199][ T10] __sys_sendto+0x37d/0x410 [ 113.425199][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.425199][ T10] do_syscall_64+0xc6/0x1e0 [ 113.425199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.425199][ T10] [ 113.427381][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 113.427381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 113.427381][ T10] ipv6_find_idev+0x102/0x170 [ 113.427381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.427381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.427381][ T10] netlink_rcv_skb+0x130/0x360 [ 113.427381][ T10] netlink_unicast+0x449/0x710 [ 113.427381][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.427381][ T10] __sys_sendto+0x37d/0x410 [ 113.427381][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.427381][ T10] do_syscall_64+0xc6/0x1e0 [ 113.427381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.427381][ T10] [ 113.429005][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 113.429005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 113.429005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 113.429005][ T10] ipv6_find_idev+0x102/0x170 [ 113.429005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.429005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.429005][ T10] netlink_rcv_skb+0x130/0x360 [ 113.429005][ T10] netlink_unicast+0x449/0x710 [ 113.429005][ T10] netlink_sendmsg+0x723/0xbe0 [ 113.429005][ T10] __sys_sendto+0x37d/0x410 [ 113.429005][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 113.429005][ T10] do_syscall_64+0xc6/0x1e0 [ 113.429005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.429005][ T10] [ 113.430797][ T10] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 113.431102][ T10] ref_tracker: lo@ffff8880068c95b8 has 396/396 users at [ 113.431102][ T10] dst_init+0x84/0x4a0 [ 113.431102][ T10] dst_alloc+0x97/0x150 [ 113.431102][ T10] ip6_dst_alloc+0x23/0x90 [ 113.431102][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.431102][ T10] ip6_pol_route+0x56f/0x840 [ 113.431102][ T10] fib6_rule_lookup+0x456/0x630 [ 113.431102][ T10] ip6_route_input+0x59c/0xa40 [ 113.431102][ T10] ipv6_rcv+0x184/0x520 [ 113.431102][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.431102][ T10] process_backlog+0x101/0x620 [ 113.431102][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 113.431102][ T10] net_rx_action+0x495/0xbe0 [ 113.431102][ T10] __do_softirq+0x1b5/0x7f6 [ 113.431102][ T10] [ 123.578678][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 123.579288][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 123.579288][ T10] netdev_get_by_index+0x5e/0x80 [ 123.579288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.579288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.579288][ T10] ip6_route_add+0x1c/0x140 [ 123.579288][ T10] addrconf_prefix_route+0x2a6/0x430 [ 123.579288][ T10] inet6_addr_add+0x4f8/0xa40 [ 123.579288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 123.579288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.579288][ T10] netlink_rcv_skb+0x130/0x360 [ 123.579288][ T10] netlink_unicast+0x449/0x710 [ 123.579288][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.579288][ T10] __sys_sendto+0x37d/0x410 [ 123.579288][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.579288][ T10] do_syscall_64+0xc6/0x1e0 [ 123.579288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.579288][ T10] [ 123.582353][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 123.582353][ T10] netdev_get_by_index+0x5e/0x80 [ 123.582353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.582353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.582353][ T10] addrconf_f6i_alloc+0x315/0x560 [ 123.582353][ T10] ipv6_add_addr+0x411/0x2000 [ 123.582353][ T10] inet6_addr_add+0x30e/0xa40 [ 123.582353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 123.582353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.582353][ T10] netlink_rcv_skb+0x130/0x360 [ 123.582353][ T10] netlink_unicast+0x449/0x710 [ 123.582353][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.582353][ T10] __sys_sendto+0x37d/0x410 [ 123.582353][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.582353][ T10] do_syscall_64+0xc6/0x1e0 [ 123.582353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.582353][ T10] [ 123.585394][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 3/212 users at [ 123.585394][ T10] dst_init+0x84/0x4a0 [ 123.585394][ T10] dst_alloc+0x97/0x150 [ 123.585394][ T10] ip6_dst_alloc+0x23/0x90 [ 123.585394][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.585394][ T10] ip6_pol_route+0x56f/0x840 [ 123.585394][ T10] fib6_rule_lookup+0x334/0x630 [ 123.585394][ T10] ip6_route_output_flags+0x259/0x480 [ 123.585394][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 123.585394][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 123.585394][ T10] tcp_v6_connect+0xa69/0x1ba0 [ 123.585394][ T10] __inet_stream_connect+0x272/0x9f0 [ 123.585394][ T10] inet_stream_connect+0x57/0xa0 [ 123.585394][ T10] __sys_connect+0x217/0x2a0 [ 123.585394][ T10] __x64_sys_connect+0x72/0xb0 [ 123.585394][ T10] do_syscall_64+0xc6/0x1e0 [ 123.585394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.585394][ T10] [ 123.588642][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 4/212 users at [ 123.588642][ T10] dst_init+0x84/0x4a0 [ 123.588642][ T10] dst_alloc+0x97/0x150 [ 123.588642][ T10] ip6_dst_alloc+0x23/0x90 [ 123.588642][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.588642][ T10] ip6_pol_route+0x56f/0x840 [ 123.588642][ T10] fib6_rule_lookup+0x456/0x630 [ 123.588642][ T10] ip6_route_input+0x59c/0xa40 [ 123.588642][ T10] ipv6_rcv+0x184/0x520 [ 123.588642][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 123.588642][ T10] process_backlog+0x101/0x620 [ 123.588642][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 123.588642][ T10] net_rx_action+0x495/0xbe0 [ 123.588642][ T10] __do_softirq+0x1b5/0x7f6 [ 123.588642][ T10] [ 123.591239][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 123.591239][ T10] dst_init+0x84/0x4a0 [ 123.591239][ T10] dst_alloc+0x97/0x150 [ 123.591239][ T10] ip6_dst_alloc+0x23/0x90 [ 123.591239][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.591239][ T10] ip6_pol_route+0x56f/0x840 [ 123.591239][ T10] fib6_rule_lookup+0x334/0x630 [ 123.591239][ T10] ip6_route_output_flags+0x259/0x480 [ 123.591239][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 123.591239][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 123.591239][ T10] tcp_v6_send_response+0x1008/0x2340 [ 123.591239][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 123.591239][ T10] tcp_v6_rcv+0xcac/0x2540 [ 123.591239][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 123.591239][ T10] ip6_input+0x165/0x2b0 [ 123.591239][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 123.591239][ T10] process_backlog+0x101/0x620 [ 123.591239][ T10] [ 123.594473][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 123.594473][ T10] netdev_get_by_index+0x5e/0x80 [ 123.594473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.594473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.594473][ T10] ip6_route_add+0x1c/0x140 [ 123.594473][ T10] inet6_rtm_newroute+0x104/0x110 [ 123.594473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.594473][ T10] netlink_rcv_skb+0x130/0x360 [ 123.594473][ T10] netlink_unicast+0x449/0x710 [ 123.594473][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.594473][ T10] __sys_sendto+0x37d/0x410 [ 123.594473][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.594473][ T10] do_syscall_64+0xc6/0x1e0 [ 123.594473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.594473][ T10] [ 123.597409][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 123.597409][ T10] netdev_get_by_index+0x5e/0x80 [ 123.597409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.597409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.597409][ T10] ip6_route_add+0x1c/0x140 [ 123.597409][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 123.597409][ T10] addrconf_add_dev+0xe2/0x170 [ 123.597409][ T10] inet6_addr_add+0x12f/0xa40 [ 123.597409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 123.597409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.597409][ T10] netlink_rcv_skb+0x130/0x360 [ 123.597409][ T10] netlink_unicast+0x449/0x710 [ 123.597409][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.597409][ T10] __sys_sendto+0x37d/0x410 [ 123.597409][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.597409][ T10] do_syscall_64+0xc6/0x1e0 [ 123.597409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.597409][ T10] [ 123.599854][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 123.599854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 123.599854][ T10] ipv6_find_idev+0x102/0x170 [ 123.599854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 123.599854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.599854][ T10] netlink_rcv_skb+0x130/0x360 [ 123.599854][ T10] netlink_unicast+0x449/0x710 [ 123.599854][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.599854][ T10] __sys_sendto+0x37d/0x410 [ 123.599854][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.599854][ T10] do_syscall_64+0xc6/0x1e0 [ 123.599854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.599854][ T10] [ 123.601524][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 123.601524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 123.601524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 123.601524][ T10] ipv6_find_idev+0x102/0x170 [ 123.601524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 123.601524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.601524][ T10] netlink_rcv_skb+0x130/0x360 [ 123.601524][ T10] netlink_unicast+0x449/0x710 [ 123.601524][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.601524][ T10] __sys_sendto+0x37d/0x410 [ 123.601524][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.601524][ T10] do_syscall_64+0xc6/0x1e0 [ 123.601524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.601524][ T10] [ 123.603340][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8576 [ 123.604374][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 372/8575 users at [ 123.604374][ T10] dst_init+0x84/0x4a0 [ 123.604374][ T10] dst_alloc+0x97/0x150 [ 123.604374][ T10] ip6_dst_alloc+0x23/0x90 [ 123.604374][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.604374][ T10] ip6_pol_route+0x56f/0x840 [ 123.604374][ T10] fib6_rule_lookup+0x334/0x630 [ 123.604374][ T10] ip6_route_output_flags+0x259/0x480 [ 123.604374][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 123.604374][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 123.604374][ T10] inet6_csk_route_req+0x4af/0x6e0 [ 123.604374][ T10] tcp_conn_request+0xa5d/0x2d10 [ 123.604374][ T10] tcp_rcv_state_process+0x453/0x1fe0 [ 123.604374][ T10] tcp_v6_do_rcv+0x343/0x12f0 [ 123.604374][ T10] tcp_v6_rcv+0x2166/0x2540 [ 123.604374][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 123.604374][ T10] ip6_input+0x165/0x2b0 [ 123.604374][ T10] [ 123.606857][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 8193/8575 users at [ 123.606857][ T10] netdev_get_by_index+0x5e/0x80 [ 123.606857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.606857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.606857][ T10] ip6_route_add+0x1c/0x140 [ 123.606857][ T10] inet6_rtm_newroute+0x104/0x110 [ 123.606857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.606857][ T10] netlink_rcv_skb+0x130/0x360 [ 123.606857][ T10] netlink_unicast+0x449/0x710 [ 123.606857][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.606857][ T10] __sys_sendto+0x37d/0x410 [ 123.606857][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.606857][ T10] do_syscall_64+0xc6/0x1e0 [ 123.606857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.606857][ T10] [ 123.608904][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 123.608904][ T10] dst_init+0x84/0x4a0 [ 123.608904][ T10] dst_alloc+0x97/0x150 [ 123.608904][ T10] ip6_dst_alloc+0x23/0x90 [ 123.608904][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.608904][ T10] ip6_pol_route+0x56f/0x840 [ 123.608904][ T10] fib6_rule_lookup+0x334/0x630 [ 123.608904][ T10] ip6_route_output_flags+0x259/0x480 [ 123.608904][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 123.608904][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 123.608904][ T10] tcp_v6_send_response+0x1008/0x2340 [ 123.608904][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 123.608904][ T10] tcp_v6_rcv+0xcac/0x2540 [ 123.608904][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 123.608904][ T10] ip6_input+0x165/0x2b0 [ 123.608904][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 123.608904][ T10] process_backlog+0x101/0x620 [ 123.608904][ T10] [ 123.611417][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 4/8575 users at [ 123.611417][ T10] dst_init+0x84/0x4a0 [ 123.611417][ T10] dst_alloc+0x97/0x150 [ 123.611417][ T10] ip6_dst_alloc+0x23/0x90 [ 123.611417][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.611417][ T10] ip6_pol_route+0x56f/0x840 [ 123.611417][ T10] fib6_rule_lookup+0x456/0x630 [ 123.611417][ T10] ip6_route_input+0x59c/0xa40 [ 123.611417][ T10] ipv6_rcv+0x184/0x520 [ 123.611417][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 123.611417][ T10] process_backlog+0x101/0x620 [ 123.611417][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 123.611417][ T10] net_rx_action+0x495/0xbe0 [ 123.611417][ T10] __do_softirq+0x1b5/0x7f6 [ 123.611417][ T10] [ 123.613348][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 123.613348][ T10] netdev_get_by_index+0x5e/0x80 [ 123.613348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.613348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.613348][ T10] ip6_route_add+0x1c/0x140 [ 123.613348][ T10] addrconf_prefix_route+0x2a6/0x430 [ 123.613348][ T10] inet6_addr_add+0x4f8/0xa40 [ 123.613348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 123.613348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.613348][ T10] netlink_rcv_skb+0x130/0x360 [ 123.613348][ T10] netlink_unicast+0x449/0x710 [ 123.613348][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.613348][ T10] __sys_sendto+0x37d/0x410 [ 123.613348][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.613348][ T10] do_syscall_64+0xc6/0x1e0 [ 123.613348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.613348][ T10] [ 123.615652][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 123.615652][ T10] netdev_get_by_index+0x5e/0x80 [ 123.615652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.615652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.615652][ T10] addrconf_f6i_alloc+0x315/0x560 [ 123.615652][ T10] ipv6_add_addr+0x411/0x2000 [ 123.615652][ T10] inet6_addr_add+0x30e/0xa40 [ 123.615652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 123.615652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.615652][ T10] netlink_rcv_skb+0x130/0x360 [ 123.615652][ T10] netlink_unicast+0x449/0x710 [ 123.615652][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.615652][ T10] __sys_sendto+0x37d/0x410 [ 123.615652][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.615652][ T10] do_syscall_64+0xc6/0x1e0 [ 123.615652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.615652][ T10] [ 123.617943][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 123.617943][ T10] netdev_get_by_index+0x5e/0x80 [ 123.617943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 123.617943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 123.617943][ T10] ip6_route_add+0x1c/0x140 [ 123.617943][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 123.617943][ T10] addrconf_add_dev+0xe2/0x170 [ 123.617943][ T10] inet6_addr_add+0x12f/0xa40 [ 123.617943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 123.617943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.617943][ T10] netlink_rcv_skb+0x130/0x360 [ 123.617943][ T10] netlink_unicast+0x449/0x710 [ 123.617943][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.617943][ T10] __sys_sendto+0x37d/0x410 [ 123.617943][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.617943][ T10] do_syscall_64+0xc6/0x1e0 [ 123.617943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.617943][ T10] [ 123.620253][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 123.620253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 123.620253][ T10] ipv6_find_idev+0x102/0x170 [ 123.620253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 123.620253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.620253][ T10] netlink_rcv_skb+0x130/0x360 [ 123.620253][ T10] netlink_unicast+0x449/0x710 [ 123.620253][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.620253][ T10] __sys_sendto+0x37d/0x410 [ 123.620253][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.620253][ T10] do_syscall_64+0xc6/0x1e0 [ 123.620253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.620253][ T10] [ 123.621984][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 123.621984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 123.621984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 123.621984][ T10] ipv6_find_idev+0x102/0x170 [ 123.621984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 123.621984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 123.621984][ T10] netlink_rcv_skb+0x130/0x360 [ 123.621984][ T10] netlink_unicast+0x449/0x710 [ 123.621984][ T10] netlink_sendmsg+0x723/0xbe0 [ 123.621984][ T10] __sys_sendto+0x37d/0x410 [ 123.621984][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 123.621984][ T10] do_syscall_64+0xc6/0x1e0 [ 123.621984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 123.621984][ T10] [ 123.623573][ T10] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 123.623863][ T10] ref_tracker: lo@ffff8880068c95b8 has 396/396 users at [ 123.623863][ T10] dst_init+0x84/0x4a0 [ 123.623863][ T10] dst_alloc+0x97/0x150 [ 123.623863][ T10] ip6_dst_alloc+0x23/0x90 [ 123.623863][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 123.623863][ T10] ip6_pol_route+0x56f/0x840 [ 123.623863][ T10] fib6_rule_lookup+0x456/0x630 [ 123.623863][ T10] ip6_route_input+0x59c/0xa40 [ 123.623863][ T10] ipv6_rcv+0x184/0x520 [ 123.623863][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 123.623863][ T10] process_backlog+0x101/0x620 [ 123.623863][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 123.623863][ T10] net_rx_action+0x495/0xbe0 [ 123.623863][ T10] __do_softirq+0x1b5/0x7f6 [ 123.623863][ T10] [ 133.770756][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 133.771143][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 133.771143][ T10] netdev_get_by_index+0x5e/0x80 [ 133.771143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.771143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.771143][ T10] ip6_route_add+0x1c/0x140 [ 133.771143][ T10] addrconf_prefix_route+0x2a6/0x430 [ 133.771143][ T10] inet6_addr_add+0x4f8/0xa40 [ 133.771143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.771143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.771143][ T10] netlink_rcv_skb+0x130/0x360 [ 133.771143][ T10] netlink_unicast+0x449/0x710 [ 133.771143][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.771143][ T10] __sys_sendto+0x37d/0x410 [ 133.771143][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.771143][ T10] do_syscall_64+0xc6/0x1e0 [ 133.771143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.771143][ T10] [ 133.773054][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 133.773054][ T10] netdev_get_by_index+0x5e/0x80 [ 133.773054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.773054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.773054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 133.773054][ T10] ipv6_add_addr+0x411/0x2000 [ 133.773054][ T10] inet6_addr_add+0x30e/0xa40 [ 133.773054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.773054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.773054][ T10] netlink_rcv_skb+0x130/0x360 [ 133.773054][ T10] netlink_unicast+0x449/0x710 [ 133.773054][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.773054][ T10] __sys_sendto+0x37d/0x410 [ 133.773054][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.773054][ T10] do_syscall_64+0xc6/0x1e0 [ 133.773054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.773054][ T10] [ 133.774947][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 3/212 users at [ 133.774947][ T10] dst_init+0x84/0x4a0 [ 133.774947][ T10] dst_alloc+0x97/0x150 [ 133.774947][ T10] ip6_dst_alloc+0x23/0x90 [ 133.774947][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.774947][ T10] ip6_pol_route+0x56f/0x840 [ 133.774947][ T10] fib6_rule_lookup+0x334/0x630 [ 133.774947][ T10] ip6_route_output_flags+0x259/0x480 [ 133.774947][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 133.774947][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 133.774947][ T10] tcp_v6_connect+0xa69/0x1ba0 [ 133.774947][ T10] __inet_stream_connect+0x272/0x9f0 [ 133.774947][ T10] inet_stream_connect+0x57/0xa0 [ 133.774947][ T10] __sys_connect+0x217/0x2a0 [ 133.774947][ T10] __x64_sys_connect+0x72/0xb0 [ 133.774947][ T10] do_syscall_64+0xc6/0x1e0 [ 133.774947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.774947][ T10] [ 133.777005][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 4/212 users at [ 133.777005][ T10] dst_init+0x84/0x4a0 [ 133.777005][ T10] dst_alloc+0x97/0x150 [ 133.777005][ T10] ip6_dst_alloc+0x23/0x90 [ 133.777005][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.777005][ T10] ip6_pol_route+0x56f/0x840 [ 133.777005][ T10] fib6_rule_lookup+0x456/0x630 [ 133.777005][ T10] ip6_route_input+0x59c/0xa40 [ 133.777005][ T10] ipv6_rcv+0x184/0x520 [ 133.777005][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 133.777005][ T10] process_backlog+0x101/0x620 [ 133.777005][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 133.777005][ T10] net_rx_action+0x495/0xbe0 [ 133.777005][ T10] __do_softirq+0x1b5/0x7f6 [ 133.777005][ T10] [ 133.778673][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 133.778673][ T10] dst_init+0x84/0x4a0 [ 133.778673][ T10] dst_alloc+0x97/0x150 [ 133.778673][ T10] ip6_dst_alloc+0x23/0x90 [ 133.778673][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.778673][ T10] ip6_pol_route+0x56f/0x840 [ 133.778673][ T10] fib6_rule_lookup+0x334/0x630 [ 133.778673][ T10] ip6_route_output_flags+0x259/0x480 [ 133.778673][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 133.778673][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 133.778673][ T10] tcp_v6_send_response+0x1008/0x2340 [ 133.778673][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 133.778673][ T10] tcp_v6_rcv+0xcac/0x2540 [ 133.778673][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 133.778673][ T10] ip6_input+0x165/0x2b0 [ 133.778673][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 133.778673][ T10] process_backlog+0x101/0x620 [ 133.778673][ T10] [ 133.780746][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 133.780746][ T10] netdev_get_by_index+0x5e/0x80 [ 133.780746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.780746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.780746][ T10] ip6_route_add+0x1c/0x140 [ 133.780746][ T10] inet6_rtm_newroute+0x104/0x110 [ 133.780746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.780746][ T10] netlink_rcv_skb+0x130/0x360 [ 133.780746][ T10] netlink_unicast+0x449/0x710 [ 133.780746][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.780746][ T10] __sys_sendto+0x37d/0x410 [ 133.780746][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.780746][ T10] do_syscall_64+0xc6/0x1e0 [ 133.780746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.780746][ T10] [ 133.782472][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 133.782472][ T10] netdev_get_by_index+0x5e/0x80 [ 133.782472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.782472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.782472][ T10] ip6_route_add+0x1c/0x140 [ 133.782472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 133.782472][ T10] addrconf_add_dev+0xe2/0x170 [ 133.782472][ T10] inet6_addr_add+0x12f/0xa40 [ 133.782472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.782472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.782472][ T10] netlink_rcv_skb+0x130/0x360 [ 133.782472][ T10] netlink_unicast+0x449/0x710 [ 133.782472][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.782472][ T10] __sys_sendto+0x37d/0x410 [ 133.782472][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.782472][ T10] do_syscall_64+0xc6/0x1e0 [ 133.782472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.782472][ T10] [ 133.784481][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 133.784481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 133.784481][ T10] ipv6_find_idev+0x102/0x170 [ 133.784481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.784481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.784481][ T10] netlink_rcv_skb+0x130/0x360 [ 133.784481][ T10] netlink_unicast+0x449/0x710 [ 133.784481][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.784481][ T10] __sys_sendto+0x37d/0x410 [ 133.784481][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.784481][ T10] do_syscall_64+0xc6/0x1e0 [ 133.784481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.784481][ T10] [ 133.786067][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 133.786067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 133.786067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 133.786067][ T10] ipv6_find_idev+0x102/0x170 [ 133.786067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.786067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.786067][ T10] netlink_rcv_skb+0x130/0x360 [ 133.786067][ T10] netlink_unicast+0x449/0x710 [ 133.786067][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.786067][ T10] __sys_sendto+0x37d/0x410 [ 133.786067][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.786067][ T10] do_syscall_64+0xc6/0x1e0 [ 133.786067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.786067][ T10] [ 133.787753][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8576 [ 133.788802][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 372/8575 users at [ 133.788802][ T10] dst_init+0x84/0x4a0 [ 133.788802][ T10] dst_alloc+0x97/0x150 [ 133.788802][ T10] ip6_dst_alloc+0x23/0x90 [ 133.788802][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.788802][ T10] ip6_pol_route+0x56f/0x840 [ 133.788802][ T10] fib6_rule_lookup+0x334/0x630 [ 133.788802][ T10] ip6_route_output_flags+0x259/0x480 [ 133.788802][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 133.788802][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 133.788802][ T10] inet6_csk_route_req+0x4af/0x6e0 [ 133.788802][ T10] tcp_conn_request+0xa5d/0x2d10 [ 133.788802][ T10] tcp_rcv_state_process+0x453/0x1fe0 [ 133.788802][ T10] tcp_v6_do_rcv+0x343/0x12f0 [ 133.788802][ T10] tcp_v6_rcv+0x2166/0x2540 [ 133.788802][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 133.788802][ T10] ip6_input+0x165/0x2b0 [ 133.788802][ T10] [ 133.791190][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 8193/8575 users at [ 133.791190][ T10] netdev_get_by_index+0x5e/0x80 [ 133.791190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.791190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.791190][ T10] ip6_route_add+0x1c/0x140 [ 133.791190][ T10] inet6_rtm_newroute+0x104/0x110 [ 133.791190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.791190][ T10] netlink_rcv_skb+0x130/0x360 [ 133.791190][ T10] netlink_unicast+0x449/0x710 [ 133.791190][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.791190][ T10] __sys_sendto+0x37d/0x410 [ 133.791190][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.791190][ T10] do_syscall_64+0xc6/0x1e0 [ 133.791190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.791190][ T10] [ 133.793048][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 133.793048][ T10] dst_init+0x84/0x4a0 [ 133.793048][ T10] dst_alloc+0x97/0x150 [ 133.793048][ T10] ip6_dst_alloc+0x23/0x90 [ 133.793048][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.793048][ T10] ip6_pol_route+0x56f/0x840 [ 133.793048][ T10] fib6_rule_lookup+0x334/0x630 [ 133.793048][ T10] ip6_route_output_flags+0x259/0x480 [ 133.793048][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 133.793048][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 133.793048][ T10] tcp_v6_send_response+0x1008/0x2340 [ 133.793048][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 133.793048][ T10] tcp_v6_rcv+0xcac/0x2540 [ 133.793048][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 133.793048][ T10] ip6_input+0x165/0x2b0 [ 133.793048][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 133.793048][ T10] process_backlog+0x101/0x620 [ 133.793048][ T10] [ 133.795350][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 4/8575 users at [ 133.795350][ T10] dst_init+0x84/0x4a0 [ 133.795350][ T10] dst_alloc+0x97/0x150 [ 133.795350][ T10] ip6_dst_alloc+0x23/0x90 [ 133.795350][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.795350][ T10] ip6_pol_route+0x56f/0x840 [ 133.795350][ T10] fib6_rule_lookup+0x456/0x630 [ 133.795350][ T10] ip6_route_input+0x59c/0xa40 [ 133.795350][ T10] ipv6_rcv+0x184/0x520 [ 133.795350][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 133.795350][ T10] process_backlog+0x101/0x620 [ 133.795350][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 133.795350][ T10] net_rx_action+0x495/0xbe0 [ 133.795350][ T10] __do_softirq+0x1b5/0x7f6 [ 133.795350][ T10] [ 133.797059][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 133.797059][ T10] netdev_get_by_index+0x5e/0x80 [ 133.797059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.797059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.797059][ T10] ip6_route_add+0x1c/0x140 [ 133.797059][ T10] addrconf_prefix_route+0x2a6/0x430 [ 133.797059][ T10] inet6_addr_add+0x4f8/0xa40 [ 133.797059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.797059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.797059][ T10] netlink_rcv_skb+0x130/0x360 [ 133.797059][ T10] netlink_unicast+0x449/0x710 [ 133.797059][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.797059][ T10] __sys_sendto+0x37d/0x410 [ 133.797059][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.797059][ T10] do_syscall_64+0xc6/0x1e0 [ 133.797059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.797059][ T10] [ 133.799208][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 133.799208][ T10] netdev_get_by_index+0x5e/0x80 [ 133.799208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.799208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.799208][ T10] addrconf_f6i_alloc+0x315/0x560 [ 133.799208][ T10] ipv6_add_addr+0x411/0x2000 [ 133.799208][ T10] inet6_addr_add+0x30e/0xa40 [ 133.799208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.799208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.799208][ T10] netlink_rcv_skb+0x130/0x360 [ 133.799208][ T10] netlink_unicast+0x449/0x710 [ 133.799208][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.799208][ T10] __sys_sendto+0x37d/0x410 [ 133.799208][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.799208][ T10] do_syscall_64+0xc6/0x1e0 [ 133.799208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.799208][ T10] [ 133.801324][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 133.801324][ T10] netdev_get_by_index+0x5e/0x80 [ 133.801324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 133.801324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.801324][ T10] ip6_route_add+0x1c/0x140 [ 133.801324][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 133.801324][ T10] addrconf_add_dev+0xe2/0x170 [ 133.801324][ T10] inet6_addr_add+0x12f/0xa40 [ 133.801324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.801324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.801324][ T10] netlink_rcv_skb+0x130/0x360 [ 133.801324][ T10] netlink_unicast+0x449/0x710 [ 133.801324][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.801324][ T10] __sys_sendto+0x37d/0x410 [ 133.801324][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.801324][ T10] do_syscall_64+0xc6/0x1e0 [ 133.801324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.801324][ T10] [ 133.803637][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 133.803637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 133.803637][ T10] ipv6_find_idev+0x102/0x170 [ 133.803637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.803637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.803637][ T10] netlink_rcv_skb+0x130/0x360 [ 133.803637][ T10] netlink_unicast+0x449/0x710 [ 133.803637][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.803637][ T10] __sys_sendto+0x37d/0x410 [ 133.803637][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.803637][ T10] do_syscall_64+0xc6/0x1e0 [ 133.803637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.803637][ T10] [ 133.805282][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 133.805282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 133.805282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 133.805282][ T10] ipv6_find_idev+0x102/0x170 [ 133.805282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.805282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.805282][ T10] netlink_rcv_skb+0x130/0x360 [ 133.805282][ T10] netlink_unicast+0x449/0x710 [ 133.805282][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.805282][ T10] __sys_sendto+0x37d/0x410 [ 133.805282][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 133.805282][ T10] do_syscall_64+0xc6/0x1e0 [ 133.805282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.805282][ T10] [ 133.807132][ T10] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 133.807489][ T10] ref_tracker: lo@ffff8880068c95b8 has 396/396 users at [ 133.807489][ T10] dst_init+0x84/0x4a0 [ 133.807489][ T10] dst_alloc+0x97/0x150 [ 133.807489][ T10] ip6_dst_alloc+0x23/0x90 [ 133.807489][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 133.807489][ T10] ip6_pol_route+0x56f/0x840 [ 133.807489][ T10] fib6_rule_lookup+0x456/0x630 [ 133.807489][ T10] ip6_route_input+0x59c/0xa40 [ 133.807489][ T10] ipv6_rcv+0x184/0x520 [ 133.807489][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 133.807489][ T10] process_backlog+0x101/0x620 [ 133.807489][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 133.807489][ T10] net_rx_action+0x495/0xbe0 [ 133.807489][ T10] __do_softirq+0x1b5/0x7f6 [ 133.807489][ T10] [ 143.948748][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 143.949206][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 143.949206][ T10] netdev_get_by_index+0x5e/0x80 [ 143.949206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.949206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.949206][ T10] ip6_route_add+0x1c/0x140 [ 143.949206][ T10] addrconf_prefix_route+0x2a6/0x430 [ 143.949206][ T10] inet6_addr_add+0x4f8/0xa40 [ 143.949206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.949206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.949206][ T10] netlink_rcv_skb+0x130/0x360 [ 143.949206][ T10] netlink_unicast+0x449/0x710 [ 143.949206][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.949206][ T10] __sys_sendto+0x37d/0x410 [ 143.949206][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.949206][ T10] do_syscall_64+0xc6/0x1e0 [ 143.949206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.949206][ T10] [ 143.951389][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 100/212 users at [ 143.951389][ T10] netdev_get_by_index+0x5e/0x80 [ 143.951389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.951389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.951389][ T10] addrconf_f6i_alloc+0x315/0x560 [ 143.951389][ T10] ipv6_add_addr+0x411/0x2000 [ 143.951389][ T10] inet6_addr_add+0x30e/0xa40 [ 143.951389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.951389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.951389][ T10] netlink_rcv_skb+0x130/0x360 [ 143.951389][ T10] netlink_unicast+0x449/0x710 [ 143.951389][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.951389][ T10] __sys_sendto+0x37d/0x410 [ 143.951389][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.951389][ T10] do_syscall_64+0xc6/0x1e0 [ 143.951389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.951389][ T10] [ 143.953664][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 3/212 users at [ 143.953664][ T10] dst_init+0x84/0x4a0 [ 143.953664][ T10] dst_alloc+0x97/0x150 [ 143.953664][ T10] ip6_dst_alloc+0x23/0x90 [ 143.953664][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.953664][ T10] ip6_pol_route+0x56f/0x840 [ 143.953664][ T10] fib6_rule_lookup+0x334/0x630 [ 143.953664][ T10] ip6_route_output_flags+0x259/0x480 [ 143.953664][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 143.953664][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 143.953664][ T10] tcp_v6_connect+0xa69/0x1ba0 [ 143.953664][ T10] __inet_stream_connect+0x272/0x9f0 [ 143.953664][ T10] inet_stream_connect+0x57/0xa0 [ 143.953664][ T10] __sys_connect+0x217/0x2a0 [ 143.953664][ T10] __x64_sys_connect+0x72/0xb0 [ 143.953664][ T10] do_syscall_64+0xc6/0x1e0 [ 143.953664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.953664][ T10] [ 143.955928][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 4/212 users at [ 143.955928][ T10] dst_init+0x84/0x4a0 [ 143.955928][ T10] dst_alloc+0x97/0x150 [ 143.955928][ T10] ip6_dst_alloc+0x23/0x90 [ 143.955928][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.955928][ T10] ip6_pol_route+0x56f/0x840 [ 143.955928][ T10] fib6_rule_lookup+0x456/0x630 [ 143.955928][ T10] ip6_route_input+0x59c/0xa40 [ 143.955928][ T10] ipv6_rcv+0x184/0x520 [ 143.955928][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 143.955928][ T10] process_backlog+0x101/0x620 [ 143.955928][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 143.955928][ T10] net_rx_action+0x495/0xbe0 [ 143.955928][ T10] __do_softirq+0x1b5/0x7f6 [ 143.955928][ T10] [ 143.957780][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 143.957780][ T10] dst_init+0x84/0x4a0 [ 143.957780][ T10] dst_alloc+0x97/0x150 [ 143.957780][ T10] ip6_dst_alloc+0x23/0x90 [ 143.957780][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.957780][ T10] ip6_pol_route+0x56f/0x840 [ 143.957780][ T10] fib6_rule_lookup+0x334/0x630 [ 143.957780][ T10] ip6_route_output_flags+0x259/0x480 [ 143.957780][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 143.957780][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 143.957780][ T10] tcp_v6_send_response+0x1008/0x2340 [ 143.957780][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 143.957780][ T10] tcp_v6_rcv+0xcac/0x2540 [ 143.957780][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 143.957780][ T10] ip6_input+0x165/0x2b0 [ 143.957780][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 143.957780][ T10] process_backlog+0x101/0x620 [ 143.957780][ T10] [ 143.960039][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 143.960039][ T10] netdev_get_by_index+0x5e/0x80 [ 143.960039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.960039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.960039][ T10] ip6_route_add+0x1c/0x140 [ 143.960039][ T10] inet6_rtm_newroute+0x104/0x110 [ 143.960039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.960039][ T10] netlink_rcv_skb+0x130/0x360 [ 143.960039][ T10] netlink_unicast+0x449/0x710 [ 143.960039][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.960039][ T10] __sys_sendto+0x37d/0x410 [ 143.960039][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.960039][ T10] do_syscall_64+0xc6/0x1e0 [ 143.960039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.960039][ T10] [ 143.962001][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 143.962001][ T10] netdev_get_by_index+0x5e/0x80 [ 143.962001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.962001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.962001][ T10] ip6_route_add+0x1c/0x140 [ 143.962001][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 143.962001][ T10] addrconf_add_dev+0xe2/0x170 [ 143.962001][ T10] inet6_addr_add+0x12f/0xa40 [ 143.962001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.962001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.962001][ T10] netlink_rcv_skb+0x130/0x360 [ 143.962001][ T10] netlink_unicast+0x449/0x710 [ 143.962001][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.962001][ T10] __sys_sendto+0x37d/0x410 [ 143.962001][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.962001][ T10] do_syscall_64+0xc6/0x1e0 [ 143.962001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.962001][ T10] [ 143.964217][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 143.964217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 143.964217][ T10] ipv6_find_idev+0x102/0x170 [ 143.964217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.964217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.964217][ T10] netlink_rcv_skb+0x130/0x360 [ 143.964217][ T10] netlink_unicast+0x449/0x710 [ 143.964217][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.964217][ T10] __sys_sendto+0x37d/0x410 [ 143.964217][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.964217][ T10] do_syscall_64+0xc6/0x1e0 [ 143.964217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.964217][ T10] [ 143.965896][ T10] ref_tracker: ktst-veth@ffff8880058e15b8 has 1/212 users at [ 143.965896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 143.965896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 143.965896][ T10] ipv6_find_idev+0x102/0x170 [ 143.965896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.965896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.965896][ T10] netlink_rcv_skb+0x130/0x360 [ 143.965896][ T10] netlink_unicast+0x449/0x710 [ 143.965896][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.965896][ T10] __sys_sendto+0x37d/0x410 [ 143.965896][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.965896][ T10] do_syscall_64+0xc6/0x1e0 [ 143.965896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.965896][ T10] [ 143.967854][ T10] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8576 [ 143.969305][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 372/8575 users at [ 143.969305][ T10] dst_init+0x84/0x4a0 [ 143.969305][ T10] dst_alloc+0x97/0x150 [ 143.969305][ T10] ip6_dst_alloc+0x23/0x90 [ 143.969305][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.969305][ T10] ip6_pol_route+0x56f/0x840 [ 143.969305][ T10] fib6_rule_lookup+0x334/0x630 [ 143.969305][ T10] ip6_route_output_flags+0x259/0x480 [ 143.969305][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 143.969305][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 143.969305][ T10] inet6_csk_route_req+0x4af/0x6e0 [ 143.969305][ T10] tcp_conn_request+0xa5d/0x2d10 [ 143.969305][ T10] tcp_rcv_state_process+0x453/0x1fe0 [ 143.969305][ T10] tcp_v6_do_rcv+0x343/0x12f0 [ 143.969305][ T10] tcp_v6_rcv+0x2166/0x2540 [ 143.969305][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 143.969305][ T10] ip6_input+0x165/0x2b0 [ 143.969305][ T10] [ 143.971911][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 8193/8575 users at [ 143.971911][ T10] netdev_get_by_index+0x5e/0x80 [ 143.971911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.971911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.971911][ T10] ip6_route_add+0x1c/0x140 [ 143.971911][ T10] inet6_rtm_newroute+0x104/0x110 [ 143.971911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.971911][ T10] netlink_rcv_skb+0x130/0x360 [ 143.971911][ T10] netlink_unicast+0x449/0x710 [ 143.971911][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.971911][ T10] __sys_sendto+0x37d/0x410 [ 143.971911][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.971911][ T10] do_syscall_64+0xc6/0x1e0 [ 143.971911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.971911][ T10] [ 143.973922][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 143.973922][ T10] dst_init+0x84/0x4a0 [ 143.973922][ T10] dst_alloc+0x97/0x150 [ 143.973922][ T10] ip6_dst_alloc+0x23/0x90 [ 143.973922][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.973922][ T10] ip6_pol_route+0x56f/0x840 [ 143.973922][ T10] fib6_rule_lookup+0x334/0x630 [ 143.973922][ T10] ip6_route_output_flags+0x259/0x480 [ 143.973922][ T10] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 143.973922][ T10] ip6_dst_lookup_flow+0x88/0x190 [ 143.973922][ T10] tcp_v6_send_response+0x1008/0x2340 [ 143.973922][ T10] tcp_v6_timewait_ack+0x35b/0x7d0 [ 143.973922][ T10] tcp_v6_rcv+0xcac/0x2540 [ 143.973922][ T10] ip6_protocol_deliver_rcu+0x125/0x1270 [ 143.973922][ T10] ip6_input+0x165/0x2b0 [ 143.973922][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 143.973922][ T10] process_backlog+0x101/0x620 [ 143.973922][ T10] [ 143.976539][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 4/8575 users at [ 143.976539][ T10] dst_init+0x84/0x4a0 [ 143.976539][ T10] dst_alloc+0x97/0x150 [ 143.976539][ T10] ip6_dst_alloc+0x23/0x90 [ 143.976539][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.976539][ T10] ip6_pol_route+0x56f/0x840 [ 143.976539][ T10] fib6_rule_lookup+0x456/0x630 [ 143.976539][ T10] ip6_route_input+0x59c/0xa40 [ 143.976539][ T10] ipv6_rcv+0x184/0x520 [ 143.976539][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 143.976539][ T10] process_backlog+0x101/0x620 [ 143.976539][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 143.976539][ T10] net_rx_action+0x495/0xbe0 [ 143.976539][ T10] __do_softirq+0x1b5/0x7f6 [ 143.976539][ T10] [ 143.978605][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 143.978605][ T10] netdev_get_by_index+0x5e/0x80 [ 143.978605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.978605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.978605][ T10] ip6_route_add+0x1c/0x140 [ 143.978605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 143.978605][ T10] inet6_addr_add+0x4f8/0xa40 [ 143.978605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.978605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.978605][ T10] netlink_rcv_skb+0x130/0x360 [ 143.978605][ T10] netlink_unicast+0x449/0x710 [ 143.978605][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.978605][ T10] __sys_sendto+0x37d/0x410 [ 143.978605][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.978605][ T10] do_syscall_64+0xc6/0x1e0 [ 143.978605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.978605][ T10] [ 143.981064][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 143.981064][ T10] netdev_get_by_index+0x5e/0x80 [ 143.981064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.981064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.981064][ T10] addrconf_f6i_alloc+0x315/0x560 [ 143.981064][ T10] ipv6_add_addr+0x411/0x2000 [ 143.981064][ T10] inet6_addr_add+0x30e/0xa40 [ 143.981064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.981064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.981064][ T10] netlink_rcv_skb+0x130/0x360 [ 143.981064][ T10] netlink_unicast+0x449/0x710 [ 143.981064][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.981064][ T10] __sys_sendto+0x37d/0x410 [ 143.981064][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.981064][ T10] do_syscall_64+0xc6/0x1e0 [ 143.981064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.981064][ T10] [ 143.983459][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 143.983459][ T10] netdev_get_by_index+0x5e/0x80 [ 143.983459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 143.983459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.983459][ T10] ip6_route_add+0x1c/0x140 [ 143.983459][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 143.983459][ T10] addrconf_add_dev+0xe2/0x170 [ 143.983459][ T10] inet6_addr_add+0x12f/0xa40 [ 143.983459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.983459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.983459][ T10] netlink_rcv_skb+0x130/0x360 [ 143.983459][ T10] netlink_unicast+0x449/0x710 [ 143.983459][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.983459][ T10] __sys_sendto+0x37d/0x410 [ 143.983459][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.983459][ T10] do_syscall_64+0xc6/0x1e0 [ 143.983459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.983459][ T10] [ 143.986042][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 143.986042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 143.986042][ T10] ipv6_find_idev+0x102/0x170 [ 143.986042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.986042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.986042][ T10] netlink_rcv_skb+0x130/0x360 [ 143.986042][ T10] netlink_unicast+0x449/0x710 [ 143.986042][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.986042][ T10] __sys_sendto+0x37d/0x410 [ 143.986042][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.986042][ T10] do_syscall_64+0xc6/0x1e0 [ 143.986042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.986042][ T10] [ 143.987789][ T10] ref_tracker: ktst-veth@ffff8880079645b8 has 1/8575 users at [ 143.987789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 143.987789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 143.987789][ T10] ipv6_find_idev+0x102/0x170 [ 143.987789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.987789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.987789][ T10] netlink_rcv_skb+0x130/0x360 [ 143.987789][ T10] netlink_unicast+0x449/0x710 [ 143.987789][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.987789][ T10] __sys_sendto+0x37d/0x410 [ 143.987789][ T10] __x64_sys_sendto+0xe0/0x1c0 [ 143.987789][ T10] do_syscall_64+0xc6/0x1e0 [ 143.987789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.987789][ T10] [ 143.989833][ T10] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 143.990151][ T10] ref_tracker: lo@ffff8880068c95b8 has 396/396 users at [ 143.990151][ T10] dst_init+0x84/0x4a0 [ 143.990151][ T10] dst_alloc+0x97/0x150 [ 143.990151][ T10] ip6_dst_alloc+0x23/0x90 [ 143.990151][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 143.990151][ T10] ip6_pol_route+0x56f/0x840 [ 143.990151][ T10] fib6_rule_lookup+0x456/0x630 [ 143.990151][ T10] ip6_route_input+0x59c/0xa40 [ 143.990151][ T10] ipv6_rcv+0x184/0x520 [ 143.990151][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 143.990151][ T10] process_backlog+0x101/0x620 [ 143.990151][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 143.990151][ T10] net_rx_action+0x495/0xbe0 [ 143.990151][ T10] __do_softirq+0x1b5/0x7f6 [ 143.990151][ T10]