[ 7225.714710][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7225.715122][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7225.715122][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7225.715122][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7225.715122][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7225.715122][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7225.715122][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7225.715122][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7225.715122][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7225.715122][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.715122][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7225.715122][ T1078]      netlink_unicast+0x449/0x710
[ 7225.715122][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7225.715122][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.715122][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7225.715122][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7225.715122][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7225.715122][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.715122][ T1078] 
[ 7225.717673][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7225.717673][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7225.717673][ T1078]      ipv6_find_idev+0x102/0x170
[ 7225.717673][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7225.717673][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.717673][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7225.717673][ T1078]      netlink_unicast+0x449/0x710
[ 7225.717673][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7225.717673][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.717673][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7225.717673][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7225.717673][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7225.717673][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.717673][ T1078] 
[ 7225.719571][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7225.719571][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7225.719571][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7225.719571][ T1078]      ipv6_find_idev+0x102/0x170
[ 7225.719571][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7225.719571][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.719571][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7225.719571][ T1078]      netlink_unicast+0x449/0x710
[ 7225.719571][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7225.719571][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.719571][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7225.719571][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7225.719571][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7225.719571][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.719571][ T1078] 
[ 7235.850794][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7235.851162][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7235.851162][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7235.851162][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7235.851162][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7235.851162][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7235.851162][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7235.851162][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7235.851162][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7235.851162][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7235.851162][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7235.851162][ T1078]      netlink_unicast+0x449/0x710
[ 7235.851162][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7235.851162][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7235.851162][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7235.851162][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7235.851162][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7235.851162][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7235.851162][ T1078] 
[ 7235.853463][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7235.853463][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7235.853463][ T1078]      ipv6_find_idev+0x102/0x170
[ 7235.853463][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7235.853463][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7235.853463][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7235.853463][ T1078]      netlink_unicast+0x449/0x710
[ 7235.853463][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7235.853463][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7235.853463][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7235.853463][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7235.853463][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7235.853463][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7235.853463][ T1078] 
[ 7235.855210][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7235.855210][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7235.855210][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7235.855210][ T1078]      ipv6_find_idev+0x102/0x170
[ 7235.855210][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7235.855210][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7235.855210][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7235.855210][ T1078]      netlink_unicast+0x449/0x710
[ 7235.855210][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7235.855210][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7235.855210][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7235.855210][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7235.855210][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7235.855210][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7235.855210][ T1078] 
[ 7242.460458][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7242.460926][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7242.460926][   T10]      netdev_get_by_index+0x5e/0x80
[ 7242.460926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7242.460926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7242.460926][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7242.460926][   T10]      ipv6_add_addr+0x411/0x2000
[ 7242.460926][   T10]      inet6_addr_add+0x30e/0xa40
[ 7242.460926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7242.460926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.460926][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.460926][   T10]      netlink_unicast+0x449/0x710
[ 7242.460926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.460926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.460926][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.460926][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.460926][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.460926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.460926][   T10] 
[ 7242.463300][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7242.463300][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7242.463300][   T10]      ipv6_find_idev+0x102/0x170
[ 7242.463300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7242.463300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.463300][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.463300][   T10]      netlink_unicast+0x449/0x710
[ 7242.463300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.463300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.463300][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.463300][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.463300][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.463300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.463300][   T10] 
[ 7242.464988][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7242.464988][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7242.464988][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7242.464988][   T10]      ipv6_find_idev+0x102/0x170
[ 7242.464988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7242.464988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.464988][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.464988][   T10]      netlink_unicast+0x449/0x710
[ 7242.464988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.464988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.464988][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.464988][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.464988][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.464988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.464988][   T10] 
[ 7242.466849][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7242.467115][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7242.467115][   T10]      netdev_get_by_index+0x5e/0x80
[ 7242.467115][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7242.467115][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7242.467115][   T10]      ip6_route_add+0x1c/0x140
[ 7242.467115][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7242.467115][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7242.467115][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7242.467115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.467115][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.467115][   T10]      netlink_unicast+0x449/0x710
[ 7242.467115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.467115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.467115][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.467115][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.467115][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.467115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.467115][   T10] 
[ 7242.469187][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7242.469187][   T10]      netdev_get_by_index+0x5e/0x80
[ 7242.469187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7242.469187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7242.469187][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7242.469187][   T10]      ipv6_add_addr+0x411/0x2000
[ 7242.469187][   T10]      inet6_addr_add+0x30e/0xa40
[ 7242.469187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7242.469187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.469187][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.469187][   T10]      netlink_unicast+0x449/0x710
[ 7242.469187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.469187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.469187][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.469187][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.469187][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.469187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.469187][   T10] 
[ 7242.471275][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7242.471275][   T10]      netdev_get_by_index+0x5e/0x80
[ 7242.471275][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7242.471275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7242.471275][   T10]      ip6_route_add+0x1c/0x140
[ 7242.471275][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7242.471275][   T10]      addrconf_add_dev+0xe2/0x170
[ 7242.471275][   T10]      inet6_addr_add+0x12f/0xa40
[ 7242.471275][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7242.471275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.471275][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.471275][   T10]      netlink_unicast+0x449/0x710
[ 7242.471275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.471275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.471275][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.471275][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.471275][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.471275][   T10] 
[ 7242.473294][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7242.473294][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7242.473294][   T10]      ipv6_find_idev+0x102/0x170
[ 7242.473294][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7242.473294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.473294][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.473294][   T10]      netlink_unicast+0x449/0x710
[ 7242.473294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.473294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.473294][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.473294][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.473294][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.473294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.473294][   T10] 
[ 7242.474879][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7242.474879][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7242.474879][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7242.474879][   T10]      ipv6_find_idev+0x102/0x170
[ 7242.474879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7242.474879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7242.474879][   T10]      netlink_rcv_skb+0x130/0x360
[ 7242.474879][   T10]      netlink_unicast+0x449/0x710
[ 7242.474879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7242.474879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7242.474879][   T10]      ___sys_sendmsg+0xee/0x170
[ 7242.474879][   T10]      __sys_sendmsg+0xcd/0x170
[ 7242.474879][   T10]      do_syscall_64+0xc6/0x1e0
[ 7242.474879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7242.474879][   T10] 
[ 7246.010718][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7246.011071][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7246.011071][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7246.011071][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7246.011071][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7246.011071][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7246.011071][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7246.011071][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7246.011071][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7246.011071][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7246.011071][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7246.011071][ T1078]      netlink_unicast+0x449/0x710
[ 7246.011071][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7246.011071][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7246.011071][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7246.011071][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7246.011071][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7246.011071][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7246.011071][ T1078] 
[ 7246.013403][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7246.013403][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7246.013403][ T1078]      ipv6_find_idev+0x102/0x170
[ 7246.013403][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7246.013403][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7246.013403][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7246.013403][ T1078]      netlink_unicast+0x449/0x710
[ 7246.013403][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7246.013403][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7246.013403][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7246.013403][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7246.013403][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7246.013403][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7246.013403][ T1078] 
[ 7246.015159][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7246.015159][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7246.015159][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7246.015159][ T1078]      ipv6_find_idev+0x102/0x170
[ 7246.015159][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7246.015159][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7246.015159][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7246.015159][ T1078]      netlink_unicast+0x449/0x710
[ 7246.015159][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7246.015159][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7246.015159][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7246.015159][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7246.015159][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7246.015159][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7246.015159][ T1078] 
[ 7252.658791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7252.659108][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7252.659108][   T10]      netdev_get_by_index+0x5e/0x80
[ 7252.659108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7252.659108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7252.659108][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7252.659108][   T10]      ipv6_add_addr+0x411/0x2000
[ 7252.659108][   T10]      inet6_addr_add+0x30e/0xa40
[ 7252.659108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7252.659108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.659108][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.659108][   T10]      netlink_unicast+0x449/0x710
[ 7252.659108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.659108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.659108][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.659108][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.659108][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.659108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.659108][   T10] 
[ 7252.661214][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7252.661214][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7252.661214][   T10]      ipv6_find_idev+0x102/0x170
[ 7252.661214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7252.661214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.661214][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.661214][   T10]      netlink_unicast+0x449/0x710
[ 7252.661214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.661214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.661214][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.661214][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.661214][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.661214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.661214][   T10] 
[ 7252.662797][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7252.662797][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7252.662797][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7252.662797][   T10]      ipv6_find_idev+0x102/0x170
[ 7252.662797][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7252.662797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.662797][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.662797][   T10]      netlink_unicast+0x449/0x710
[ 7252.662797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.662797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.662797][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.662797][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.662797][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.662797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.662797][   T10] 
[ 7252.664540][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7252.665055][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7252.665055][   T10]      netdev_get_by_index+0x5e/0x80
[ 7252.665055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7252.665055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7252.665055][   T10]      ip6_route_add+0x1c/0x140
[ 7252.665055][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7252.665055][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7252.665055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7252.665055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.665055][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.665055][   T10]      netlink_unicast+0x449/0x710
[ 7252.665055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.665055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.665055][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.665055][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.665055][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.665055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.665055][   T10] 
[ 7252.667108][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7252.667108][   T10]      netdev_get_by_index+0x5e/0x80
[ 7252.667108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7252.667108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7252.667108][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7252.667108][   T10]      ipv6_add_addr+0x411/0x2000
[ 7252.667108][   T10]      inet6_addr_add+0x30e/0xa40
[ 7252.667108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7252.667108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.667108][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.667108][   T10]      netlink_unicast+0x449/0x710
[ 7252.667108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.667108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.667108][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.667108][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.667108][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.667108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.667108][   T10] 
[ 7252.669162][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7252.669162][   T10]      netdev_get_by_index+0x5e/0x80
[ 7252.669162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7252.669162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7252.669162][   T10]      ip6_route_add+0x1c/0x140
[ 7252.669162][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7252.669162][   T10]      addrconf_add_dev+0xe2/0x170
[ 7252.669162][   T10]      inet6_addr_add+0x12f/0xa40
[ 7252.669162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7252.669162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.669162][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.669162][   T10]      netlink_unicast+0x449/0x710
[ 7252.669162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.669162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.669162][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.669162][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.669162][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.669162][   T10] 
[ 7252.671185][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7252.671185][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7252.671185][   T10]      ipv6_find_idev+0x102/0x170
[ 7252.671185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7252.671185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.671185][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.671185][   T10]      netlink_unicast+0x449/0x710
[ 7252.671185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.671185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.671185][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.671185][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.671185][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.671185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.671185][   T10] 
[ 7252.672768][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7252.672768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7252.672768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7252.672768][   T10]      ipv6_find_idev+0x102/0x170
[ 7252.672768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7252.672768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7252.672768][   T10]      netlink_rcv_skb+0x130/0x360
[ 7252.672768][   T10]      netlink_unicast+0x449/0x710
[ 7252.672768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7252.672768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7252.672768][   T10]      ___sys_sendmsg+0xee/0x170
[ 7252.672768][   T10]      __sys_sendmsg+0xcd/0x170
[ 7252.672768][   T10]      do_syscall_64+0xc6/0x1e0
[ 7252.672768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7252.672768][   T10] 
[ 7256.122805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7256.123243][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7256.123243][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7256.123243][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7256.123243][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7256.123243][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7256.123243][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7256.123243][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7256.123243][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7256.123243][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7256.123243][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7256.123243][ T1078]      netlink_unicast+0x449/0x710
[ 7256.123243][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7256.123243][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7256.123243][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7256.123243][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7256.123243][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7256.123243][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7256.123243][ T1078] 
[ 7256.125629][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7256.125629][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7256.125629][ T1078]      ipv6_find_idev+0x102/0x170
[ 7256.125629][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7256.125629][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7256.125629][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7256.125629][ T1078]      netlink_unicast+0x449/0x710
[ 7256.125629][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7256.125629][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7256.125629][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7256.125629][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7256.125629][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7256.125629][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7256.125629][ T1078] 
[ 7256.127393][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7256.127393][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7256.127393][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7256.127393][ T1078]      ipv6_find_idev+0x102/0x170
[ 7256.127393][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7256.127393][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7256.127393][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7256.127393][ T1078]      netlink_unicast+0x449/0x710
[ 7256.127393][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7256.127393][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7256.127393][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7256.127393][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7256.127393][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7256.127393][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7256.127393][ T1078] 
[ 7262.674865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7262.675666][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7262.675666][   T10]      netdev_get_by_index+0x5e/0x80
[ 7262.675666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7262.675666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7262.675666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7262.675666][   T10]      ipv6_add_addr+0x411/0x2000
[ 7262.675666][   T10]      inet6_addr_add+0x30e/0xa40
[ 7262.675666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7262.675666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.675666][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.675666][   T10]      netlink_unicast+0x449/0x710
[ 7262.675666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.675666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.675666][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.675666][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.675666][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.675666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.675666][   T10] 
[ 7262.677752][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7262.677752][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7262.677752][   T10]      ipv6_find_idev+0x102/0x170
[ 7262.677752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7262.677752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.677752][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.677752][   T10]      netlink_unicast+0x449/0x710
[ 7262.677752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.677752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.677752][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.677752][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.677752][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.677752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.677752][   T10] 
[ 7262.679301][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7262.679301][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7262.679301][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7262.679301][   T10]      ipv6_find_idev+0x102/0x170
[ 7262.679301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7262.679301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.679301][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.679301][   T10]      netlink_unicast+0x449/0x710
[ 7262.679301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.679301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.679301][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.679301][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.679301][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.679301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.679301][   T10] 
[ 7262.681012][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7262.681296][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7262.681296][   T10]      netdev_get_by_index+0x5e/0x80
[ 7262.681296][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7262.681296][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7262.681296][   T10]      ip6_route_add+0x1c/0x140
[ 7262.681296][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7262.681296][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7262.681296][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7262.681296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.681296][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.681296][   T10]      netlink_unicast+0x449/0x710
[ 7262.681296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.681296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.681296][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.681296][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.681296][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.681296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.681296][   T10] 
[ 7262.683303][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7262.683303][   T10]      netdev_get_by_index+0x5e/0x80
[ 7262.683303][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7262.683303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7262.683303][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7262.683303][   T10]      ipv6_add_addr+0x411/0x2000
[ 7262.683303][   T10]      inet6_addr_add+0x30e/0xa40
[ 7262.683303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7262.683303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.683303][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.683303][   T10]      netlink_unicast+0x449/0x710
[ 7262.683303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.683303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.683303][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.683303][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.683303][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.683303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.683303][   T10] 
[ 7262.685300][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7262.685300][   T10]      netdev_get_by_index+0x5e/0x80
[ 7262.685300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7262.685300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7262.685300][   T10]      ip6_route_add+0x1c/0x140
[ 7262.685300][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7262.685300][   T10]      addrconf_add_dev+0xe2/0x170
[ 7262.685300][   T10]      inet6_addr_add+0x12f/0xa40
[ 7262.685300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7262.685300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.685300][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.685300][   T10]      netlink_unicast+0x449/0x710
[ 7262.685300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.685300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.685300][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.685300][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.685300][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.685300][   T10] 
[ 7262.687263][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7262.687263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7262.687263][   T10]      ipv6_find_idev+0x102/0x170
[ 7262.687263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7262.687263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.687263][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.687263][   T10]      netlink_unicast+0x449/0x710
[ 7262.687263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.687263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.687263][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.687263][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.687263][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.687263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.687263][   T10] 
[ 7262.688809][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7262.688809][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7262.688809][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7262.688809][   T10]      ipv6_find_idev+0x102/0x170
[ 7262.688809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7262.688809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7262.688809][   T10]      netlink_rcv_skb+0x130/0x360
[ 7262.688809][   T10]      netlink_unicast+0x449/0x710
[ 7262.688809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7262.688809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7262.688809][   T10]      ___sys_sendmsg+0xee/0x170
[ 7262.688809][   T10]      __sys_sendmsg+0xcd/0x170
[ 7262.688809][   T10]      do_syscall_64+0xc6/0x1e0
[ 7262.688809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7262.688809][   T10] 
[ 7266.154978][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7266.155875][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7266.155875][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7266.155875][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7266.155875][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7266.155875][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7266.155875][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7266.155875][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7266.155875][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7266.155875][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7266.155875][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7266.155875][ T1078]      netlink_unicast+0x449/0x710
[ 7266.155875][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7266.155875][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7266.155875][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7266.155875][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7266.155875][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7266.155875][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7266.155875][ T1078] 
[ 7266.158200][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7266.158200][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7266.158200][ T1078]      ipv6_find_idev+0x102/0x170
[ 7266.158200][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7266.158200][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7266.158200][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7266.158200][ T1078]      netlink_unicast+0x449/0x710
[ 7266.158200][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7266.158200][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7266.158200][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7266.158200][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7266.158200][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7266.158200][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7266.158200][ T1078] 
[ 7266.159974][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7266.159974][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7266.159974][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7266.159974][ T1078]      ipv6_find_idev+0x102/0x170
[ 7266.159974][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7266.159974][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7266.159974][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7266.159974][ T1078]      netlink_unicast+0x449/0x710
[ 7266.159974][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7266.159974][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7266.159974][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7266.159974][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7266.159974][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7266.159974][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7266.159974][ T1078] 
[ 7272.930788][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7272.931153][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7272.931153][   T10]      netdev_get_by_index+0x5e/0x80
[ 7272.931153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7272.931153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7272.931153][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7272.931153][   T10]      ipv6_add_addr+0x411/0x2000
[ 7272.931153][   T10]      inet6_addr_add+0x30e/0xa40
[ 7272.931153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7272.931153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.931153][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.931153][   T10]      netlink_unicast+0x449/0x710
[ 7272.931153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.931153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.931153][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.931153][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.931153][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.931153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.931153][   T10] 
[ 7272.933201][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7272.933201][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7272.933201][   T10]      ipv6_find_idev+0x102/0x170
[ 7272.933201][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7272.933201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.933201][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.933201][   T10]      netlink_unicast+0x449/0x710
[ 7272.933201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.933201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.933201][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.933201][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.933201][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.933201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.933201][   T10] 
[ 7272.934769][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7272.934769][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7272.934769][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7272.934769][   T10]      ipv6_find_idev+0x102/0x170
[ 7272.934769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7272.934769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.934769][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.934769][   T10]      netlink_unicast+0x449/0x710
[ 7272.934769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.934769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.934769][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.934769][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.934769][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.934769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.934769][   T10] 
[ 7272.936480][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7272.936739][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7272.936739][   T10]      netdev_get_by_index+0x5e/0x80
[ 7272.936739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7272.936739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7272.936739][   T10]      ip6_route_add+0x1c/0x140
[ 7272.936739][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7272.936739][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7272.936739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7272.936739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.936739][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.936739][   T10]      netlink_unicast+0x449/0x710
[ 7272.936739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.936739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.936739][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.936739][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.936739][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.936739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.936739][   T10] 
[ 7272.938781][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7272.938781][   T10]      netdev_get_by_index+0x5e/0x80
[ 7272.938781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7272.938781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7272.938781][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7272.938781][   T10]      ipv6_add_addr+0x411/0x2000
[ 7272.938781][   T10]      inet6_addr_add+0x30e/0xa40
[ 7272.938781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7272.938781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.938781][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.938781][   T10]      netlink_unicast+0x449/0x710
[ 7272.938781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.938781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.938781][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.938781][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.938781][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.938781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.938781][   T10] 
[ 7272.940802][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7272.940802][   T10]      netdev_get_by_index+0x5e/0x80
[ 7272.940802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7272.940802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7272.940802][   T10]      ip6_route_add+0x1c/0x140
[ 7272.940802][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7272.940802][   T10]      addrconf_add_dev+0xe2/0x170
[ 7272.940802][   T10]      inet6_addr_add+0x12f/0xa40
[ 7272.940802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7272.940802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.940802][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.940802][   T10]      netlink_unicast+0x449/0x710
[ 7272.940802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.940802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.940802][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.940802][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.940802][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.940802][   T10] 
[ 7272.942771][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7272.942771][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7272.942771][   T10]      ipv6_find_idev+0x102/0x170
[ 7272.942771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7272.942771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.942771][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.942771][   T10]      netlink_unicast+0x449/0x710
[ 7272.942771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.942771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.942771][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.942771][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.942771][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.942771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.942771][   T10] 
[ 7272.944304][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7272.944304][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7272.944304][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7272.944304][   T10]      ipv6_find_idev+0x102/0x170
[ 7272.944304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7272.944304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7272.944304][   T10]      netlink_rcv_skb+0x130/0x360
[ 7272.944304][   T10]      netlink_unicast+0x449/0x710
[ 7272.944304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7272.944304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7272.944304][   T10]      ___sys_sendmsg+0xee/0x170
[ 7272.944304][   T10]      __sys_sendmsg+0xcd/0x170
[ 7272.944304][   T10]      do_syscall_64+0xc6/0x1e0
[ 7272.944304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7272.944304][   T10] 
[ 7276.402859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7276.403329][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7276.403329][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7276.403329][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7276.403329][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7276.403329][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7276.403329][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7276.403329][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7276.403329][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7276.403329][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7276.403329][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7276.403329][ T1078]      netlink_unicast+0x449/0x710
[ 7276.403329][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7276.403329][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7276.403329][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7276.403329][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7276.403329][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7276.403329][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7276.403329][ T1078] 
[ 7276.405633][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7276.405633][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7276.405633][ T1078]      ipv6_find_idev+0x102/0x170
[ 7276.405633][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7276.405633][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7276.405633][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7276.405633][ T1078]      netlink_unicast+0x449/0x710
[ 7276.405633][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7276.405633][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7276.405633][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7276.405633][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7276.405633][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7276.405633][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7276.405633][ T1078] 
[ 7276.407410][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7276.407410][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7276.407410][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7276.407410][ T1078]      ipv6_find_idev+0x102/0x170
[ 7276.407410][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7276.407410][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7276.407410][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7276.407410][ T1078]      netlink_unicast+0x449/0x710
[ 7276.407410][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7276.407410][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7276.407410][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7276.407410][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7276.407410][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7276.407410][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7276.407410][ T1078] 
[ 7283.186818][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7283.187171][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7283.187171][   T10]      netdev_get_by_index+0x5e/0x80
[ 7283.187171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7283.187171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7283.187171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7283.187171][   T10]      ipv6_add_addr+0x411/0x2000
[ 7283.187171][   T10]      inet6_addr_add+0x30e/0xa40
[ 7283.187171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7283.187171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.187171][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.187171][   T10]      netlink_unicast+0x449/0x710
[ 7283.187171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.187171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.187171][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.187171][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.187171][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.187171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.187171][   T10] 
[ 7283.189199][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7283.189199][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7283.189199][   T10]      ipv6_find_idev+0x102/0x170
[ 7283.189199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7283.189199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.189199][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.189199][   T10]      netlink_unicast+0x449/0x710
[ 7283.189199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.189199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.189199][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.189199][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.189199][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.189199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.189199][   T10] 
[ 7283.190764][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7283.190764][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7283.190764][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7283.190764][   T10]      ipv6_find_idev+0x102/0x170
[ 7283.190764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7283.190764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.190764][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.190764][   T10]      netlink_unicast+0x449/0x710
[ 7283.190764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.190764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.190764][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.190764][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.190764][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.190764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.190764][   T10] 
[ 7283.192450][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7283.192701][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7283.192701][   T10]      netdev_get_by_index+0x5e/0x80
[ 7283.192701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7283.192701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7283.192701][   T10]      ip6_route_add+0x1c/0x140
[ 7283.192701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7283.192701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7283.192701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7283.192701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.192701][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.192701][   T10]      netlink_unicast+0x449/0x710
[ 7283.192701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.192701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.192701][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.192701][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.192701][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.192701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.192701][   T10] 
[ 7283.194703][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7283.194703][   T10]      netdev_get_by_index+0x5e/0x80
[ 7283.194703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7283.194703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7283.194703][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7283.194703][   T10]      ipv6_add_addr+0x411/0x2000
[ 7283.194703][   T10]      inet6_addr_add+0x30e/0xa40
[ 7283.194703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7283.194703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.194703][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.194703][   T10]      netlink_unicast+0x449/0x710
[ 7283.194703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.194703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.194703][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.194703][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.194703][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.194703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.194703][   T10] 
[ 7283.196704][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7283.196704][   T10]      netdev_get_by_index+0x5e/0x80
[ 7283.196704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7283.196704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7283.196704][   T10]      ip6_route_add+0x1c/0x140
[ 7283.196704][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7283.196704][   T10]      addrconf_add_dev+0xe2/0x170
[ 7283.196704][   T10]      inet6_addr_add+0x12f/0xa40
[ 7283.196704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7283.196704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.196704][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.196704][   T10]      netlink_unicast+0x449/0x710
[ 7283.196704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.196704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.196704][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.196704][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.196704][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.196704][   T10] 
[ 7283.198667][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7283.198667][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7283.198667][   T10]      ipv6_find_idev+0x102/0x170
[ 7283.198667][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7283.198667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.198667][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.198667][   T10]      netlink_unicast+0x449/0x710
[ 7283.198667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.198667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.198667][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.198667][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.198667][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.198667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.198667][   T10] 
[ 7283.200216][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7283.200216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7283.200216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7283.200216][   T10]      ipv6_find_idev+0x102/0x170
[ 7283.200216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7283.200216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7283.200216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7283.200216][   T10]      netlink_unicast+0x449/0x710
[ 7283.200216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7283.200216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7283.200216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7283.200216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7283.200216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7283.200216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7283.200216][   T10] 
[ 7286.650793][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7286.651290][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7286.651290][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7286.651290][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7286.651290][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7286.651290][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7286.651290][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7286.651290][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7286.651290][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7286.651290][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7286.651290][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7286.651290][ T1078]      netlink_unicast+0x449/0x710
[ 7286.651290][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7286.651290][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7286.651290][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7286.651290][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7286.651290][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7286.651290][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7286.651290][ T1078] 
[ 7286.653609][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7286.653609][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7286.653609][ T1078]      ipv6_find_idev+0x102/0x170
[ 7286.653609][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7286.653609][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7286.653609][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7286.653609][ T1078]      netlink_unicast+0x449/0x710
[ 7286.653609][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7286.653609][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7286.653609][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7286.653609][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7286.653609][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7286.653609][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7286.653609][ T1078] 
[ 7286.655345][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7286.655345][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7286.655345][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7286.655345][ T1078]      ipv6_find_idev+0x102/0x170
[ 7286.655345][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7286.655345][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7286.655345][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7286.655345][ T1078]      netlink_unicast+0x449/0x710
[ 7286.655345][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7286.655345][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7286.655345][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7286.655345][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7286.655345][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7286.655345][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7286.655345][ T1078] 
[ 7293.442820][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7293.443242][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7293.443242][   T10]      netdev_get_by_index+0x5e/0x80
[ 7293.443242][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7293.443242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7293.443242][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7293.443242][   T10]      ipv6_add_addr+0x411/0x2000
[ 7293.443242][   T10]      inet6_addr_add+0x30e/0xa40
[ 7293.443242][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7293.443242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.443242][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.443242][   T10]      netlink_unicast+0x449/0x710
[ 7293.443242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.443242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.443242][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.443242][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.443242][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.443242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.443242][   T10] 
[ 7293.445266][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7293.445266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7293.445266][   T10]      ipv6_find_idev+0x102/0x170
[ 7293.445266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7293.445266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.445266][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.445266][   T10]      netlink_unicast+0x449/0x710
[ 7293.445266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.445266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.445266][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.445266][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.445266][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.445266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.445266][   T10] 
[ 7293.446833][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7293.446833][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7293.446833][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7293.446833][   T10]      ipv6_find_idev+0x102/0x170
[ 7293.446833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7293.446833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.446833][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.446833][   T10]      netlink_unicast+0x449/0x710
[ 7293.446833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.446833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.446833][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.446833][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.446833][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.446833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.446833][   T10] 
[ 7293.448523][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7293.448777][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7293.448777][   T10]      netdev_get_by_index+0x5e/0x80
[ 7293.448777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7293.448777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7293.448777][   T10]      ip6_route_add+0x1c/0x140
[ 7293.448777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7293.448777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7293.448777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7293.448777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.448777][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.448777][   T10]      netlink_unicast+0x449/0x710
[ 7293.448777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.448777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.448777][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.448777][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.448777][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.448777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.448777][   T10] 
[ 7293.450783][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7293.450783][   T10]      netdev_get_by_index+0x5e/0x80
[ 7293.450783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7293.450783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7293.450783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7293.450783][   T10]      ipv6_add_addr+0x411/0x2000
[ 7293.450783][   T10]      inet6_addr_add+0x30e/0xa40
[ 7293.450783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7293.450783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.450783][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.450783][   T10]      netlink_unicast+0x449/0x710
[ 7293.450783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.450783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.450783][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.450783][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.450783][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.450783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.450783][   T10] 
[ 7293.452789][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7293.452789][   T10]      netdev_get_by_index+0x5e/0x80
[ 7293.452789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7293.452789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7293.452789][   T10]      ip6_route_add+0x1c/0x140
[ 7293.452789][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7293.452789][   T10]      addrconf_add_dev+0xe2/0x170
[ 7293.452789][   T10]      inet6_addr_add+0x12f/0xa40
[ 7293.452789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7293.452789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.452789][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.452789][   T10]      netlink_unicast+0x449/0x710
[ 7293.452789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.452789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.452789][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.452789][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.452789][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.452789][   T10] 
[ 7293.454760][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7293.454760][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7293.454760][   T10]      ipv6_find_idev+0x102/0x170
[ 7293.454760][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7293.454760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.454760][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.454760][   T10]      netlink_unicast+0x449/0x710
[ 7293.454760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.454760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.454760][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.454760][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.454760][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.454760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.454760][   T10] 
[ 7293.456298][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7293.456298][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7293.456298][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7293.456298][   T10]      ipv6_find_idev+0x102/0x170
[ 7293.456298][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7293.456298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7293.456298][   T10]      netlink_rcv_skb+0x130/0x360
[ 7293.456298][   T10]      netlink_unicast+0x449/0x710
[ 7293.456298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7293.456298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7293.456298][   T10]      ___sys_sendmsg+0xee/0x170
[ 7293.456298][   T10]      __sys_sendmsg+0xcd/0x170
[ 7293.456298][   T10]      do_syscall_64+0xc6/0x1e0
[ 7293.456298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7293.456298][   T10] 
[ 7296.898861][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7296.899684][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7296.899684][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7296.899684][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7296.899684][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7296.899684][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7296.899684][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7296.899684][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7296.899684][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7296.899684][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7296.899684][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7296.899684][ T1078]      netlink_unicast+0x449/0x710
[ 7296.899684][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7296.899684][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7296.899684][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7296.899684][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7296.899684][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7296.899684][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7296.899684][ T1078] 
[ 7296.901999][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7296.901999][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7296.901999][ T1078]      ipv6_find_idev+0x102/0x170
[ 7296.901999][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7296.901999][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7296.901999][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7296.901999][ T1078]      netlink_unicast+0x449/0x710
[ 7296.901999][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7296.901999][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7296.901999][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7296.901999][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7296.901999][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7296.901999][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7296.901999][ T1078] 
[ 7296.903771][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7296.903771][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7296.903771][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7296.903771][ T1078]      ipv6_find_idev+0x102/0x170
[ 7296.903771][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7296.903771][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7296.903771][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7296.903771][ T1078]      netlink_unicast+0x449/0x710
[ 7296.903771][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7296.903771][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7296.903771][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7296.903771][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7296.903771][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7296.903771][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7296.903771][ T1078] 
[ 7303.698863][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7303.699798][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7303.699798][   T10]      netdev_get_by_index+0x5e/0x80
[ 7303.699798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7303.699798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7303.699798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7303.699798][   T10]      ipv6_add_addr+0x411/0x2000
[ 7303.699798][   T10]      inet6_addr_add+0x30e/0xa40
[ 7303.699798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7303.699798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.699798][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.699798][   T10]      netlink_unicast+0x449/0x710
[ 7303.699798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.699798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.699798][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.699798][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.699798][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.699798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.699798][   T10] 
[ 7303.701896][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7303.701896][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7303.701896][   T10]      ipv6_find_idev+0x102/0x170
[ 7303.701896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7303.701896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.701896][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.701896][   T10]      netlink_unicast+0x449/0x710
[ 7303.701896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.701896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.701896][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.701896][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.701896][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.701896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.701896][   T10] 
[ 7303.703446][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7303.703446][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7303.703446][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7303.703446][   T10]      ipv6_find_idev+0x102/0x170
[ 7303.703446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7303.703446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.703446][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.703446][   T10]      netlink_unicast+0x449/0x710
[ 7303.703446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.703446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.703446][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.703446][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.703446][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.703446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.703446][   T10] 
[ 7303.705140][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7303.705378][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7303.705378][   T10]      netdev_get_by_index+0x5e/0x80
[ 7303.705378][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7303.705378][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7303.705378][   T10]      ip6_route_add+0x1c/0x140
[ 7303.705378][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7303.705378][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7303.705378][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7303.705378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.705378][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.705378][   T10]      netlink_unicast+0x449/0x710
[ 7303.705378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.705378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.705378][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.705378][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.705378][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.705378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.705378][   T10] 
[ 7303.707387][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7303.707387][   T10]      netdev_get_by_index+0x5e/0x80
[ 7303.707387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7303.707387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7303.707387][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7303.707387][   T10]      ipv6_add_addr+0x411/0x2000
[ 7303.707387][   T10]      inet6_addr_add+0x30e/0xa40
[ 7303.707387][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7303.707387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.707387][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.707387][   T10]      netlink_unicast+0x449/0x710
[ 7303.707387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.707387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.707387][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.707387][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.707387][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.707387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.707387][   T10] 
[ 7303.709389][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7303.709389][   T10]      netdev_get_by_index+0x5e/0x80
[ 7303.709389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7303.709389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7303.709389][   T10]      ip6_route_add+0x1c/0x140
[ 7303.709389][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7303.709389][   T10]      addrconf_add_dev+0xe2/0x170
[ 7303.709389][   T10]      inet6_addr_add+0x12f/0xa40
[ 7303.709389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7303.709389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.709389][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.709389][   T10]      netlink_unicast+0x449/0x710
[ 7303.709389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.709389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.709389][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.709389][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.709389][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.709389][   T10] 
[ 7303.711365][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7303.711365][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7303.711365][   T10]      ipv6_find_idev+0x102/0x170
[ 7303.711365][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7303.711365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.711365][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.711365][   T10]      netlink_unicast+0x449/0x710
[ 7303.711365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.711365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.711365][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.711365][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.711365][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.711365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.711365][   T10] 
[ 7303.712910][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7303.712910][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7303.712910][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7303.712910][   T10]      ipv6_find_idev+0x102/0x170
[ 7303.712910][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7303.712910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7303.712910][   T10]      netlink_rcv_skb+0x130/0x360
[ 7303.712910][   T10]      netlink_unicast+0x449/0x710
[ 7303.712910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7303.712910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7303.712910][   T10]      ___sys_sendmsg+0xee/0x170
[ 7303.712910][   T10]      __sys_sendmsg+0xcd/0x170
[ 7303.712910][   T10]      do_syscall_64+0xc6/0x1e0
[ 7303.712910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7303.712910][   T10] 
[ 7306.930787][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7306.931246][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7306.931246][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7306.931246][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7306.931246][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7306.931246][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7306.931246][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7306.931246][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7306.931246][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7306.931246][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7306.931246][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7306.931246][ T1078]      netlink_unicast+0x449/0x710
[ 7306.931246][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7306.931246][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7306.931246][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7306.931246][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7306.931246][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7306.931246][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7306.931246][ T1078] 
[ 7306.933509][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7306.933509][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7306.933509][ T1078]      ipv6_find_idev+0x102/0x170
[ 7306.933509][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7306.933509][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7306.933509][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7306.933509][ T1078]      netlink_unicast+0x449/0x710
[ 7306.933509][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7306.933509][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7306.933509][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7306.933509][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7306.933509][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7306.933509][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7306.933509][ T1078] 
[ 7306.935240][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7306.935240][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7306.935240][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7306.935240][ T1078]      ipv6_find_idev+0x102/0x170
[ 7306.935240][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7306.935240][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7306.935240][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7306.935240][ T1078]      netlink_unicast+0x449/0x710
[ 7306.935240][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7306.935240][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7306.935240][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7306.935240][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7306.935240][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7306.935240][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7306.935240][ T1078] 
[ 7314.162885][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7314.163535][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7314.163535][   T10]      netdev_get_by_index+0x5e/0x80
[ 7314.163535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7314.163535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7314.163535][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7314.163535][   T10]      ipv6_add_addr+0x411/0x2000
[ 7314.163535][   T10]      inet6_addr_add+0x30e/0xa40
[ 7314.163535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7314.163535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.163535][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.163535][   T10]      netlink_unicast+0x449/0x710
[ 7314.163535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.163535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.163535][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.163535][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.163535][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.163535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.163535][   T10] 
[ 7314.165591][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7314.165591][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7314.165591][   T10]      ipv6_find_idev+0x102/0x170
[ 7314.165591][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7314.165591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.165591][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.165591][   T10]      netlink_unicast+0x449/0x710
[ 7314.165591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.165591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.165591][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.165591][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.165591][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.165591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.165591][   T10] 
[ 7314.167135][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7314.167135][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7314.167135][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7314.167135][   T10]      ipv6_find_idev+0x102/0x170
[ 7314.167135][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7314.167135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.167135][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.167135][   T10]      netlink_unicast+0x449/0x710
[ 7314.167135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.167135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.167135][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.167135][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.167135][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.167135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.167135][   T10] 
[ 7314.168829][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7314.169074][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7314.169074][   T10]      netdev_get_by_index+0x5e/0x80
[ 7314.169074][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7314.169074][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7314.169074][   T10]      ip6_route_add+0x1c/0x140
[ 7314.169074][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7314.169074][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7314.169074][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7314.169074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.169074][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.169074][   T10]      netlink_unicast+0x449/0x710
[ 7314.169074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.169074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.169074][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.169074][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.169074][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.169074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.169074][   T10] 
[ 7314.171125][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7314.171125][   T10]      netdev_get_by_index+0x5e/0x80
[ 7314.171125][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7314.171125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7314.171125][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7314.171125][   T10]      ipv6_add_addr+0x411/0x2000
[ 7314.171125][   T10]      inet6_addr_add+0x30e/0xa40
[ 7314.171125][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7314.171125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.171125][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.171125][   T10]      netlink_unicast+0x449/0x710
[ 7314.171125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.171125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.171125][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.171125][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.171125][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.171125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.171125][   T10] 
[ 7314.173119][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7314.173119][   T10]      netdev_get_by_index+0x5e/0x80
[ 7314.173119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7314.173119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7314.173119][   T10]      ip6_route_add+0x1c/0x140
[ 7314.173119][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7314.173119][   T10]      addrconf_add_dev+0xe2/0x170
[ 7314.173119][   T10]      inet6_addr_add+0x12f/0xa40
[ 7314.173119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7314.173119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.173119][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.173119][   T10]      netlink_unicast+0x449/0x710
[ 7314.173119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.173119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.173119][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.173119][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.173119][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.173119][   T10] 
[ 7314.175079][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7314.175079][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7314.175079][   T10]      ipv6_find_idev+0x102/0x170
[ 7314.175079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7314.175079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.175079][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.175079][   T10]      netlink_unicast+0x449/0x710
[ 7314.175079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.175079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.175079][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.175079][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.175079][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.175079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.175079][   T10] 
[ 7314.176610][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7314.176610][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7314.176610][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7314.176610][   T10]      ipv6_find_idev+0x102/0x170
[ 7314.176610][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7314.176610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7314.176610][   T10]      netlink_rcv_skb+0x130/0x360
[ 7314.176610][   T10]      netlink_unicast+0x449/0x710
[ 7314.176610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7314.176610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7314.176610][   T10]      ___sys_sendmsg+0xee/0x170
[ 7314.176610][   T10]      __sys_sendmsg+0xcd/0x170
[ 7314.176610][   T10]      do_syscall_64+0xc6/0x1e0
[ 7314.176610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7314.176610][   T10] 
[ 7316.994893][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7316.995426][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7316.995426][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7316.995426][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7316.995426][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7316.995426][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7316.995426][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7316.995426][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7316.995426][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7316.995426][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7316.995426][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7316.995426][ T1078]      netlink_unicast+0x449/0x710
[ 7316.995426][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7316.995426][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7316.995426][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7316.995426][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7316.995426][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7316.995426][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7316.995426][ T1078] 
[ 7316.997775][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7316.997775][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7316.997775][ T1078]      ipv6_find_idev+0x102/0x170
[ 7316.997775][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7316.997775][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7316.997775][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7316.997775][ T1078]      netlink_unicast+0x449/0x710
[ 7316.997775][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7316.997775][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7316.997775][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7316.997775][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7316.997775][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7316.997775][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7316.997775][ T1078] 
[ 7316.999562][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7316.999562][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7316.999562][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7316.999562][ T1078]      ipv6_find_idev+0x102/0x170
[ 7316.999562][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7316.999562][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7316.999562][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7316.999562][ T1078]      netlink_unicast+0x449/0x710
[ 7316.999562][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7316.999562][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7316.999562][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7316.999562][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7316.999562][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7316.999562][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7316.999562][ T1078] 
[ 7324.418906][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7324.419680][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7324.419680][   T10]      netdev_get_by_index+0x5e/0x80
[ 7324.419680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7324.419680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7324.419680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7324.419680][   T10]      ipv6_add_addr+0x411/0x2000
[ 7324.419680][   T10]      inet6_addr_add+0x30e/0xa40
[ 7324.419680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7324.419680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.419680][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.419680][   T10]      netlink_unicast+0x449/0x710
[ 7324.419680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.419680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.419680][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.419680][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.419680][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.419680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.419680][   T10] 
[ 7324.421746][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7324.421746][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7324.421746][   T10]      ipv6_find_idev+0x102/0x170
[ 7324.421746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7324.421746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.421746][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.421746][   T10]      netlink_unicast+0x449/0x710
[ 7324.421746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.421746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.421746][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.421746][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.421746][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.421746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.421746][   T10] 
[ 7324.423313][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7324.423313][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7324.423313][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7324.423313][   T10]      ipv6_find_idev+0x102/0x170
[ 7324.423313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7324.423313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.423313][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.423313][   T10]      netlink_unicast+0x449/0x710
[ 7324.423313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.423313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.423313][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.423313][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.423313][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.423313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.423313][   T10] 
[ 7324.425032][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7324.425272][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7324.425272][   T10]      netdev_get_by_index+0x5e/0x80
[ 7324.425272][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7324.425272][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7324.425272][   T10]      ip6_route_add+0x1c/0x140
[ 7324.425272][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7324.425272][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7324.425272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7324.425272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.425272][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.425272][   T10]      netlink_unicast+0x449/0x710
[ 7324.425272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.425272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.425272][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.425272][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.425272][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.425272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.425272][   T10] 
[ 7324.427310][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7324.427310][   T10]      netdev_get_by_index+0x5e/0x80
[ 7324.427310][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7324.427310][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7324.427310][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7324.427310][   T10]      ipv6_add_addr+0x411/0x2000
[ 7324.427310][   T10]      inet6_addr_add+0x30e/0xa40
[ 7324.427310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7324.427310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.427310][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.427310][   T10]      netlink_unicast+0x449/0x710
[ 7324.427310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.427310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.427310][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.427310][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.427310][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.427310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.427310][   T10] 
[ 7324.429318][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7324.429318][   T10]      netdev_get_by_index+0x5e/0x80
[ 7324.429318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7324.429318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7324.429318][   T10]      ip6_route_add+0x1c/0x140
[ 7324.429318][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7324.429318][   T10]      addrconf_add_dev+0xe2/0x170
[ 7324.429318][   T10]      inet6_addr_add+0x12f/0xa40
[ 7324.429318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7324.429318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.429318][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.429318][   T10]      netlink_unicast+0x449/0x710
[ 7324.429318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.429318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.429318][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.429318][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.429318][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.429318][   T10] 
[ 7324.431302][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7324.431302][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7324.431302][   T10]      ipv6_find_idev+0x102/0x170
[ 7324.431302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7324.431302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.431302][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.431302][   T10]      netlink_unicast+0x449/0x710
[ 7324.431302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.431302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.431302][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.431302][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.431302][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.431302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.431302][   T10] 
[ 7324.432842][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7324.432842][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7324.432842][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7324.432842][   T10]      ipv6_find_idev+0x102/0x170
[ 7324.432842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7324.432842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7324.432842][   T10]      netlink_rcv_skb+0x130/0x360
[ 7324.432842][   T10]      netlink_unicast+0x449/0x710
[ 7324.432842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7324.432842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7324.432842][   T10]      ___sys_sendmsg+0xee/0x170
[ 7324.432842][   T10]      __sys_sendmsg+0xcd/0x170
[ 7324.432842][   T10]      do_syscall_64+0xc6/0x1e0
[ 7324.432842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7324.432842][   T10] 
[ 7327.002817][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7327.003283][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7327.003283][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7327.003283][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7327.003283][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7327.003283][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7327.003283][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7327.003283][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7327.003283][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7327.003283][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7327.003283][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7327.003283][ T1078]      netlink_unicast+0x449/0x710
[ 7327.003283][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7327.003283][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7327.003283][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7327.003283][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7327.003283][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7327.003283][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7327.003283][ T1078] 
[ 7327.005581][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7327.005581][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7327.005581][ T1078]      ipv6_find_idev+0x102/0x170
[ 7327.005581][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7327.005581][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7327.005581][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7327.005581][ T1078]      netlink_unicast+0x449/0x710
[ 7327.005581][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7327.005581][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7327.005581][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7327.005581][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7327.005581][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7327.005581][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7327.005581][ T1078] 
[ 7327.007339][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7327.007339][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7327.007339][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7327.007339][ T1078]      ipv6_find_idev+0x102/0x170
[ 7327.007339][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7327.007339][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7327.007339][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7327.007339][ T1078]      netlink_unicast+0x449/0x710
[ 7327.007339][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7327.007339][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7327.007339][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7327.007339][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7327.007339][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7327.007339][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7327.007339][ T1078] 
[ 7334.674807][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7334.675229][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7334.675229][   T10]      netdev_get_by_index+0x5e/0x80
[ 7334.675229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7334.675229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7334.675229][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7334.675229][   T10]      ipv6_add_addr+0x411/0x2000
[ 7334.675229][   T10]      inet6_addr_add+0x30e/0xa40
[ 7334.675229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7334.675229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.675229][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.675229][   T10]      netlink_unicast+0x449/0x710
[ 7334.675229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.675229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.675229][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.675229][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.675229][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.675229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.675229][   T10] 
[ 7334.677252][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7334.677252][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7334.677252][   T10]      ipv6_find_idev+0x102/0x170
[ 7334.677252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7334.677252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.677252][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.677252][   T10]      netlink_unicast+0x449/0x710
[ 7334.677252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.677252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.677252][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.677252][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.677252][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.677252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.677252][   T10] 
[ 7334.678818][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7334.678818][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7334.678818][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7334.678818][   T10]      ipv6_find_idev+0x102/0x170
[ 7334.678818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7334.678818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.678818][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.678818][   T10]      netlink_unicast+0x449/0x710
[ 7334.678818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.678818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.678818][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.678818][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.678818][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.678818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.678818][   T10] 
[ 7334.680515][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7334.680774][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7334.680774][   T10]      netdev_get_by_index+0x5e/0x80
[ 7334.680774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7334.680774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7334.680774][   T10]      ip6_route_add+0x1c/0x140
[ 7334.680774][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7334.680774][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7334.680774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7334.680774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.680774][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.680774][   T10]      netlink_unicast+0x449/0x710
[ 7334.680774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.680774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.680774][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.680774][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.680774][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.680774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.680774][   T10] 
[ 7334.682762][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7334.682762][   T10]      netdev_get_by_index+0x5e/0x80
[ 7334.682762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7334.682762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7334.682762][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7334.682762][   T10]      ipv6_add_addr+0x411/0x2000
[ 7334.682762][   T10]      inet6_addr_add+0x30e/0xa40
[ 7334.682762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7334.682762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.682762][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.682762][   T10]      netlink_unicast+0x449/0x710
[ 7334.682762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.682762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.682762][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.682762][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.682762][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.682762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.682762][   T10] 
[ 7334.684753][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7334.684753][   T10]      netdev_get_by_index+0x5e/0x80
[ 7334.684753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7334.684753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7334.684753][   T10]      ip6_route_add+0x1c/0x140
[ 7334.684753][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7334.684753][   T10]      addrconf_add_dev+0xe2/0x170
[ 7334.684753][   T10]      inet6_addr_add+0x12f/0xa40
[ 7334.684753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7334.684753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.684753][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.684753][   T10]      netlink_unicast+0x449/0x710
[ 7334.684753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.684753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.684753][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.684753][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.684753][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.684753][   T10] 
[ 7334.686698][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7334.686698][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7334.686698][   T10]      ipv6_find_idev+0x102/0x170
[ 7334.686698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7334.686698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.686698][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.686698][   T10]      netlink_unicast+0x449/0x710
[ 7334.686698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.686698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.686698][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.686698][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.686698][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.686698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.686698][   T10] 
[ 7334.688224][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7334.688224][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7334.688224][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7334.688224][   T10]      ipv6_find_idev+0x102/0x170
[ 7334.688224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7334.688224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7334.688224][   T10]      netlink_rcv_skb+0x130/0x360
[ 7334.688224][   T10]      netlink_unicast+0x449/0x710
[ 7334.688224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7334.688224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7334.688224][   T10]      ___sys_sendmsg+0xee/0x170
[ 7334.688224][   T10]      __sys_sendmsg+0xcd/0x170
[ 7334.688224][   T10]      do_syscall_64+0xc6/0x1e0
[ 7334.688224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7334.688224][   T10] 
[ 7337.010792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7337.011306][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7337.011306][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7337.011306][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7337.011306][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7337.011306][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7337.011306][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7337.011306][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7337.011306][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7337.011306][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7337.011306][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7337.011306][ T1078]      netlink_unicast+0x449/0x710
[ 7337.011306][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7337.011306][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7337.011306][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7337.011306][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7337.011306][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7337.011306][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7337.011306][ T1078] 
[ 7337.013607][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7337.013607][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7337.013607][ T1078]      ipv6_find_idev+0x102/0x170
[ 7337.013607][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7337.013607][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7337.013607][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7337.013607][ T1078]      netlink_unicast+0x449/0x710
[ 7337.013607][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7337.013607][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7337.013607][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7337.013607][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7337.013607][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7337.013607][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7337.013607][ T1078] 
[ 7337.015369][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7337.015369][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7337.015369][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7337.015369][ T1078]      ipv6_find_idev+0x102/0x170
[ 7337.015369][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7337.015369][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7337.015369][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7337.015369][ T1078]      netlink_unicast+0x449/0x710
[ 7337.015369][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7337.015369][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7337.015369][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7337.015369][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7337.015369][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7337.015369][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7337.015369][ T1078] 
[ 7344.930862][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7344.931681][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7344.931681][   T10]      netdev_get_by_index+0x5e/0x80
[ 7344.931681][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7344.931681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7344.931681][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7344.931681][   T10]      ipv6_add_addr+0x411/0x2000
[ 7344.931681][   T10]      inet6_addr_add+0x30e/0xa40
[ 7344.931681][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7344.931681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.931681][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.931681][   T10]      netlink_unicast+0x449/0x710
[ 7344.931681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.931681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.931681][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.931681][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.931681][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.931681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.931681][   T10] 
[ 7344.933824][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7344.933824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7344.933824][   T10]      ipv6_find_idev+0x102/0x170
[ 7344.933824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7344.933824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.933824][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.933824][   T10]      netlink_unicast+0x449/0x710
[ 7344.933824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.933824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.933824][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.933824][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.933824][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.933824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.933824][   T10] 
[ 7344.935396][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7344.935396][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7344.935396][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7344.935396][   T10]      ipv6_find_idev+0x102/0x170
[ 7344.935396][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7344.935396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.935396][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.935396][   T10]      netlink_unicast+0x449/0x710
[ 7344.935396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.935396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.935396][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.935396][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.935396][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.935396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.935396][   T10] 
[ 7344.937082][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7344.937329][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7344.937329][   T10]      netdev_get_by_index+0x5e/0x80
[ 7344.937329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7344.937329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7344.937329][   T10]      ip6_route_add+0x1c/0x140
[ 7344.937329][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7344.937329][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7344.937329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7344.937329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.937329][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.937329][   T10]      netlink_unicast+0x449/0x710
[ 7344.937329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.937329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.937329][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.937329][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.937329][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.937329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.937329][   T10] 
[ 7344.939329][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7344.939329][   T10]      netdev_get_by_index+0x5e/0x80
[ 7344.939329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7344.939329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7344.939329][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7344.939329][   T10]      ipv6_add_addr+0x411/0x2000
[ 7344.939329][   T10]      inet6_addr_add+0x30e/0xa40
[ 7344.939329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7344.939329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.939329][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.939329][   T10]      netlink_unicast+0x449/0x710
[ 7344.939329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.939329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.939329][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.939329][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.939329][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.939329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.939329][   T10] 
[ 7344.941329][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7344.941329][   T10]      netdev_get_by_index+0x5e/0x80
[ 7344.941329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7344.941329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7344.941329][   T10]      ip6_route_add+0x1c/0x140
[ 7344.941329][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7344.941329][   T10]      addrconf_add_dev+0xe2/0x170
[ 7344.941329][   T10]      inet6_addr_add+0x12f/0xa40
[ 7344.941329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7344.941329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.941329][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.941329][   T10]      netlink_unicast+0x449/0x710
[ 7344.941329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.941329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.941329][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.941329][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.941329][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.941329][   T10] 
[ 7344.943357][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7344.943357][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7344.943357][   T10]      ipv6_find_idev+0x102/0x170
[ 7344.943357][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7344.943357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.943357][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.943357][   T10]      netlink_unicast+0x449/0x710
[ 7344.943357][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.943357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.943357][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.943357][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.943357][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.943357][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.943357][   T10] 
[ 7344.944894][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7344.944894][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7344.944894][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7344.944894][   T10]      ipv6_find_idev+0x102/0x170
[ 7344.944894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7344.944894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7344.944894][   T10]      netlink_rcv_skb+0x130/0x360
[ 7344.944894][   T10]      netlink_unicast+0x449/0x710
[ 7344.944894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7344.944894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7344.944894][   T10]      ___sys_sendmsg+0xee/0x170
[ 7344.944894][   T10]      __sys_sendmsg+0xcd/0x170
[ 7344.944894][   T10]      do_syscall_64+0xc6/0x1e0
[ 7344.944894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7344.944894][   T10] 
[ 7347.266859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7347.267827][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7347.267827][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7347.267827][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7347.267827][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7347.267827][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7347.267827][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7347.267827][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7347.267827][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7347.267827][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7347.267827][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7347.267827][ T1078]      netlink_unicast+0x449/0x710
[ 7347.267827][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7347.267827][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7347.267827][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7347.267827][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7347.267827][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7347.267827][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7347.267827][ T1078] 
[ 7347.270159][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7347.270159][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7347.270159][ T1078]      ipv6_find_idev+0x102/0x170
[ 7347.270159][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7347.270159][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7347.270159][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7347.270159][ T1078]      netlink_unicast+0x449/0x710
[ 7347.270159][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7347.270159][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7347.270159][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7347.270159][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7347.270159][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7347.270159][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7347.270159][ T1078] 
[ 7347.271927][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7347.271927][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7347.271927][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7347.271927][ T1078]      ipv6_find_idev+0x102/0x170
[ 7347.271927][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7347.271927][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7347.271927][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7347.271927][ T1078]      netlink_unicast+0x449/0x710
[ 7347.271927][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7347.271927][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7347.271927][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7347.271927][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7347.271927][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7347.271927][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7347.271927][ T1078] 
[ 7355.186835][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7355.187253][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7355.187253][   T10]      netdev_get_by_index+0x5e/0x80
[ 7355.187253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7355.187253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7355.187253][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7355.187253][   T10]      ipv6_add_addr+0x411/0x2000
[ 7355.187253][   T10]      inet6_addr_add+0x30e/0xa40
[ 7355.187253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7355.187253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.187253][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.187253][   T10]      netlink_unicast+0x449/0x710
[ 7355.187253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.187253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.187253][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.187253][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.187253][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.187253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.187253][   T10] 
[ 7355.189303][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7355.189303][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7355.189303][   T10]      ipv6_find_idev+0x102/0x170
[ 7355.189303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7355.189303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.189303][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.189303][   T10]      netlink_unicast+0x449/0x710
[ 7355.189303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.189303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.189303][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.189303][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.189303][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.189303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.189303][   T10] 
[ 7355.190881][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7355.190881][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7355.190881][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7355.190881][   T10]      ipv6_find_idev+0x102/0x170
[ 7355.190881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7355.190881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.190881][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.190881][   T10]      netlink_unicast+0x449/0x710
[ 7355.190881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.190881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.190881][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.190881][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.190881][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.190881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.190881][   T10] 
[ 7355.192577][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7355.192835][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7355.192835][   T10]      netdev_get_by_index+0x5e/0x80
[ 7355.192835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7355.192835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7355.192835][   T10]      ip6_route_add+0x1c/0x140
[ 7355.192835][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7355.192835][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7355.192835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7355.192835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.192835][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.192835][   T10]      netlink_unicast+0x449/0x710
[ 7355.192835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.192835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.192835][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.192835][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.192835][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.192835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.192835][   T10] 
[ 7355.194864][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7355.194864][   T10]      netdev_get_by_index+0x5e/0x80
[ 7355.194864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7355.194864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7355.194864][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7355.194864][   T10]      ipv6_add_addr+0x411/0x2000
[ 7355.194864][   T10]      inet6_addr_add+0x30e/0xa40
[ 7355.194864][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7355.194864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.194864][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.194864][   T10]      netlink_unicast+0x449/0x710
[ 7355.194864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.194864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.194864][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.194864][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.194864][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.194864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.194864][   T10] 
[ 7355.196845][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7355.196845][   T10]      netdev_get_by_index+0x5e/0x80
[ 7355.196845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7355.196845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7355.196845][   T10]      ip6_route_add+0x1c/0x140
[ 7355.196845][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7355.196845][   T10]      addrconf_add_dev+0xe2/0x170
[ 7355.196845][   T10]      inet6_addr_add+0x12f/0xa40
[ 7355.196845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7355.196845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.196845][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.196845][   T10]      netlink_unicast+0x449/0x710
[ 7355.196845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.196845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.196845][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.196845][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.196845][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.196845][   T10] 
[ 7355.198793][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7355.198793][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7355.198793][   T10]      ipv6_find_idev+0x102/0x170
[ 7355.198793][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7355.198793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.198793][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.198793][   T10]      netlink_unicast+0x449/0x710
[ 7355.198793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.198793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.198793][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.198793][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.198793][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.198793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.198793][   T10] 
[ 7355.200342][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7355.200342][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7355.200342][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7355.200342][   T10]      ipv6_find_idev+0x102/0x170
[ 7355.200342][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7355.200342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7355.200342][   T10]      netlink_rcv_skb+0x130/0x360
[ 7355.200342][   T10]      netlink_unicast+0x449/0x710
[ 7355.200342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7355.200342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7355.200342][   T10]      ___sys_sendmsg+0xee/0x170
[ 7355.200342][   T10]      __sys_sendmsg+0xcd/0x170
[ 7355.200342][   T10]      do_syscall_64+0xc6/0x1e0
[ 7355.200342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7355.200342][   T10] 
[ 7357.378819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7357.379348][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7357.379348][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7357.379348][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7357.379348][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7357.379348][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7357.379348][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7357.379348][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7357.379348][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7357.379348][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7357.379348][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7357.379348][ T1078]      netlink_unicast+0x449/0x710
[ 7357.379348][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7357.379348][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7357.379348][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7357.379348][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7357.379348][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7357.379348][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7357.379348][ T1078] 
[ 7357.381707][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7357.381707][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7357.381707][ T1078]      ipv6_find_idev+0x102/0x170
[ 7357.381707][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7357.381707][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7357.381707][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7357.381707][ T1078]      netlink_unicast+0x449/0x710
[ 7357.381707][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7357.381707][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7357.381707][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7357.381707][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7357.381707][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7357.381707][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7357.381707][ T1078] 
[ 7357.383471][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7357.383471][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7357.383471][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7357.383471][ T1078]      ipv6_find_idev+0x102/0x170
[ 7357.383471][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7357.383471][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7357.383471][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7357.383471][ T1078]      netlink_unicast+0x449/0x710
[ 7357.383471][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7357.383471][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7357.383471][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7357.383471][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7357.383471][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7357.383471][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7357.383471][ T1078] 
[ 7365.442808][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7365.443218][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7365.443218][   T10]      netdev_get_by_index+0x5e/0x80
[ 7365.443218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7365.443218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7365.443218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7365.443218][   T10]      ipv6_add_addr+0x411/0x2000
[ 7365.443218][   T10]      inet6_addr_add+0x30e/0xa40
[ 7365.443218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7365.443218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.443218][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.443218][   T10]      netlink_unicast+0x449/0x710
[ 7365.443218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.443218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.443218][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.443218][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.443218][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.443218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.443218][   T10] 
[ 7365.445245][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7365.445245][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7365.445245][   T10]      ipv6_find_idev+0x102/0x170
[ 7365.445245][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7365.445245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.445245][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.445245][   T10]      netlink_unicast+0x449/0x710
[ 7365.445245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.445245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.445245][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.445245][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.445245][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.445245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.445245][   T10] 
[ 7365.446792][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7365.446792][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7365.446792][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7365.446792][   T10]      ipv6_find_idev+0x102/0x170
[ 7365.446792][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7365.446792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.446792][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.446792][   T10]      netlink_unicast+0x449/0x710
[ 7365.446792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.446792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.446792][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.446792][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.446792][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.446792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.446792][   T10] 
[ 7365.448477][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7365.448952][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7365.448952][   T10]      netdev_get_by_index+0x5e/0x80
[ 7365.448952][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7365.448952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7365.448952][   T10]      ip6_route_add+0x1c/0x140
[ 7365.448952][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7365.448952][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7365.448952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7365.448952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.448952][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.448952][   T10]      netlink_unicast+0x449/0x710
[ 7365.448952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.448952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.448952][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.448952][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.448952][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.448952][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.448952][   T10] 
[ 7365.450957][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7365.450957][   T10]      netdev_get_by_index+0x5e/0x80
[ 7365.450957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7365.450957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7365.450957][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7365.450957][   T10]      ipv6_add_addr+0x411/0x2000
[ 7365.450957][   T10]      inet6_addr_add+0x30e/0xa40
[ 7365.450957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7365.450957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.450957][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.450957][   T10]      netlink_unicast+0x449/0x710
[ 7365.450957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.450957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.450957][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.450957][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.450957][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.450957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.450957][   T10] 
[ 7365.452946][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7365.452946][   T10]      netdev_get_by_index+0x5e/0x80
[ 7365.452946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7365.452946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7365.452946][   T10]      ip6_route_add+0x1c/0x140
[ 7365.452946][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7365.452946][   T10]      addrconf_add_dev+0xe2/0x170
[ 7365.452946][   T10]      inet6_addr_add+0x12f/0xa40
[ 7365.452946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7365.452946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.452946][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.452946][   T10]      netlink_unicast+0x449/0x710
[ 7365.452946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.452946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.452946][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.452946][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.452946][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.452946][   T10] 
[ 7365.454908][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7365.454908][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7365.454908][   T10]      ipv6_find_idev+0x102/0x170
[ 7365.454908][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7365.454908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.454908][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.454908][   T10]      netlink_unicast+0x449/0x710
[ 7365.454908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.454908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.454908][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.454908][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.454908][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.454908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.454908][   T10] 
[ 7365.456450][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7365.456450][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7365.456450][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7365.456450][   T10]      ipv6_find_idev+0x102/0x170
[ 7365.456450][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7365.456450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7365.456450][   T10]      netlink_rcv_skb+0x130/0x360
[ 7365.456450][   T10]      netlink_unicast+0x449/0x710
[ 7365.456450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7365.456450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7365.456450][   T10]      ___sys_sendmsg+0xee/0x170
[ 7365.456450][   T10]      __sys_sendmsg+0xcd/0x170
[ 7365.456450][   T10]      do_syscall_64+0xc6/0x1e0
[ 7365.456450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7365.456450][   T10] 
[ 7367.634801][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7367.635308][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7367.635308][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7367.635308][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7367.635308][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7367.635308][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7367.635308][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7367.635308][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7367.635308][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7367.635308][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7367.635308][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7367.635308][ T1078]      netlink_unicast+0x449/0x710
[ 7367.635308][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7367.635308][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7367.635308][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7367.635308][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7367.635308][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7367.635308][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7367.635308][ T1078] 
[ 7367.637606][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7367.637606][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7367.637606][ T1078]      ipv6_find_idev+0x102/0x170
[ 7367.637606][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7367.637606][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7367.637606][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7367.637606][ T1078]      netlink_unicast+0x449/0x710
[ 7367.637606][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7367.637606][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7367.637606][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7367.637606][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7367.637606][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7367.637606][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7367.637606][ T1078] 
[ 7367.639366][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7367.639366][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7367.639366][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7367.639366][ T1078]      ipv6_find_idev+0x102/0x170
[ 7367.639366][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7367.639366][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7367.639366][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7367.639366][ T1078]      netlink_unicast+0x449/0x710
[ 7367.639366][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7367.639366][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7367.639366][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7367.639366][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7367.639366][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7367.639366][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7367.639366][ T1078] 
[ 7375.698872][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7375.699616][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7375.699616][   T10]      netdev_get_by_index+0x5e/0x80
[ 7375.699616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7375.699616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7375.699616][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7375.699616][   T10]      ipv6_add_addr+0x411/0x2000
[ 7375.699616][   T10]      inet6_addr_add+0x30e/0xa40
[ 7375.699616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7375.699616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.699616][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.699616][   T10]      netlink_unicast+0x449/0x710
[ 7375.699616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.699616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.699616][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.699616][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.699616][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.699616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.699616][   T10] 
[ 7375.701648][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7375.701648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7375.701648][   T10]      ipv6_find_idev+0x102/0x170
[ 7375.701648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7375.701648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.701648][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.701648][   T10]      netlink_unicast+0x449/0x710
[ 7375.701648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.701648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.701648][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.701648][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.701648][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.701648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.701648][   T10] 
[ 7375.703186][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7375.703186][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7375.703186][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7375.703186][   T10]      ipv6_find_idev+0x102/0x170
[ 7375.703186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7375.703186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.703186][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.703186][   T10]      netlink_unicast+0x449/0x710
[ 7375.703186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.703186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.703186][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.703186][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.703186][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.703186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.703186][   T10] 
[ 7375.704875][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7375.705118][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7375.705118][   T10]      netdev_get_by_index+0x5e/0x80
[ 7375.705118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7375.705118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7375.705118][   T10]      ip6_route_add+0x1c/0x140
[ 7375.705118][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7375.705118][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7375.705118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7375.705118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.705118][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.705118][   T10]      netlink_unicast+0x449/0x710
[ 7375.705118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.705118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.705118][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.705118][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.705118][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.705118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.705118][   T10] 
[ 7375.707126][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7375.707126][   T10]      netdev_get_by_index+0x5e/0x80
[ 7375.707126][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7375.707126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7375.707126][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7375.707126][   T10]      ipv6_add_addr+0x411/0x2000
[ 7375.707126][   T10]      inet6_addr_add+0x30e/0xa40
[ 7375.707126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7375.707126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.707126][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.707126][   T10]      netlink_unicast+0x449/0x710
[ 7375.707126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.707126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.707126][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.707126][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.707126][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.707126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.707126][   T10] 
[ 7375.709115][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7375.709115][   T10]      netdev_get_by_index+0x5e/0x80
[ 7375.709115][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7375.709115][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7375.709115][   T10]      ip6_route_add+0x1c/0x140
[ 7375.709115][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7375.709115][   T10]      addrconf_add_dev+0xe2/0x170
[ 7375.709115][   T10]      inet6_addr_add+0x12f/0xa40
[ 7375.709115][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7375.709115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.709115][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.709115][   T10]      netlink_unicast+0x449/0x710
[ 7375.709115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.709115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.709115][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.709115][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.709115][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.709115][   T10] 
[ 7375.711216][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7375.711216][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7375.711216][   T10]      ipv6_find_idev+0x102/0x170
[ 7375.711216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7375.711216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.711216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.711216][   T10]      netlink_unicast+0x449/0x710
[ 7375.711216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.711216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.711216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.711216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.711216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.711216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.711216][   T10] 
[ 7375.712769][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7375.712769][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7375.712769][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7375.712769][   T10]      ipv6_find_idev+0x102/0x170
[ 7375.712769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7375.712769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7375.712769][   T10]      netlink_rcv_skb+0x130/0x360
[ 7375.712769][   T10]      netlink_unicast+0x449/0x710
[ 7375.712769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7375.712769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7375.712769][   T10]      ___sys_sendmsg+0xee/0x170
[ 7375.712769][   T10]      __sys_sendmsg+0xcd/0x170
[ 7375.712769][   T10]      do_syscall_64+0xc6/0x1e0
[ 7375.712769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7375.712769][   T10] 
[ 7377.698860][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7377.699806][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7377.699806][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7377.699806][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7377.699806][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7377.699806][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7377.699806][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7377.699806][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7377.699806][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7377.699806][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7377.699806][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7377.699806][ T1078]      netlink_unicast+0x449/0x710
[ 7377.699806][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7377.699806][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7377.699806][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7377.699806][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7377.699806][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7377.699806][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7377.699806][ T1078] 
[ 7377.702087][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7377.702087][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7377.702087][ T1078]      ipv6_find_idev+0x102/0x170
[ 7377.702087][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7377.702087][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7377.702087][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7377.702087][ T1078]      netlink_unicast+0x449/0x710
[ 7377.702087][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7377.702087][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7377.702087][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7377.702087][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7377.702087][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7377.702087][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7377.702087][ T1078] 
[ 7377.703839][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7377.703839][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7377.703839][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7377.703839][ T1078]      ipv6_find_idev+0x102/0x170
[ 7377.703839][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7377.703839][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7377.703839][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7377.703839][ T1078]      netlink_unicast+0x449/0x710
[ 7377.703839][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7377.703839][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7377.703839][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7377.703839][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7377.703839][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7377.703839][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7377.703839][ T1078] 
[ 7385.954798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7385.955225][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7385.955225][   T10]      netdev_get_by_index+0x5e/0x80
[ 7385.955225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7385.955225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7385.955225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7385.955225][   T10]      ipv6_add_addr+0x411/0x2000
[ 7385.955225][   T10]      inet6_addr_add+0x30e/0xa40
[ 7385.955225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7385.955225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.955225][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.955225][   T10]      netlink_unicast+0x449/0x710
[ 7385.955225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.955225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.955225][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.955225][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.955225][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.955225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.955225][   T10] 
[ 7385.957390][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7385.957390][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7385.957390][   T10]      ipv6_find_idev+0x102/0x170
[ 7385.957390][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7385.957390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.957390][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.957390][   T10]      netlink_unicast+0x449/0x710
[ 7385.957390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.957390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.957390][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.957390][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.957390][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.957390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.957390][   T10] 
[ 7385.958955][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7385.958955][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7385.958955][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7385.958955][   T10]      ipv6_find_idev+0x102/0x170
[ 7385.958955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7385.958955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.958955][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.958955][   T10]      netlink_unicast+0x449/0x710
[ 7385.958955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.958955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.958955][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.958955][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.958955][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.958955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.958955][   T10] 
[ 7385.960703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7385.960944][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7385.960944][   T10]      netdev_get_by_index+0x5e/0x80
[ 7385.960944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7385.960944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7385.960944][   T10]      ip6_route_add+0x1c/0x140
[ 7385.960944][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7385.960944][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7385.960944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7385.960944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.960944][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.960944][   T10]      netlink_unicast+0x449/0x710
[ 7385.960944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.960944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.960944][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.960944][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.960944][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.960944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.960944][   T10] 
[ 7385.962969][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7385.962969][   T10]      netdev_get_by_index+0x5e/0x80
[ 7385.962969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7385.962969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7385.962969][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7385.962969][   T10]      ipv6_add_addr+0x411/0x2000
[ 7385.962969][   T10]      inet6_addr_add+0x30e/0xa40
[ 7385.962969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7385.962969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.962969][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.962969][   T10]      netlink_unicast+0x449/0x710
[ 7385.962969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.962969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.962969][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.962969][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.962969][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.962969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.962969][   T10] 
[ 7385.964976][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7385.964976][   T10]      netdev_get_by_index+0x5e/0x80
[ 7385.964976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7385.964976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7385.964976][   T10]      ip6_route_add+0x1c/0x140
[ 7385.964976][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7385.964976][   T10]      addrconf_add_dev+0xe2/0x170
[ 7385.964976][   T10]      inet6_addr_add+0x12f/0xa40
[ 7385.964976][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7385.964976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.964976][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.964976][   T10]      netlink_unicast+0x449/0x710
[ 7385.964976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.964976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.964976][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.964976][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.964976][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.964976][   T10] 
[ 7385.966939][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7385.966939][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7385.966939][   T10]      ipv6_find_idev+0x102/0x170
[ 7385.966939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7385.966939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.966939][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.966939][   T10]      netlink_unicast+0x449/0x710
[ 7385.966939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.966939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.966939][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.966939][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.966939][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.966939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.966939][   T10] 
[ 7385.968478][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7385.968478][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7385.968478][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7385.968478][   T10]      ipv6_find_idev+0x102/0x170
[ 7385.968478][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7385.968478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7385.968478][   T10]      netlink_rcv_skb+0x130/0x360
[ 7385.968478][   T10]      netlink_unicast+0x449/0x710
[ 7385.968478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7385.968478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7385.968478][   T10]      ___sys_sendmsg+0xee/0x170
[ 7385.968478][   T10]      __sys_sendmsg+0xcd/0x170
[ 7385.968478][   T10]      do_syscall_64+0xc6/0x1e0
[ 7385.968478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7385.968478][   T10] 
[ 7387.946834][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7387.947254][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7387.947254][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7387.947254][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7387.947254][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7387.947254][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7387.947254][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7387.947254][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7387.947254][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7387.947254][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7387.947254][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7387.947254][ T1078]      netlink_unicast+0x449/0x710
[ 7387.947254][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7387.947254][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7387.947254][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7387.947254][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7387.947254][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7387.947254][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7387.947254][ T1078] 
[ 7387.949661][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7387.949661][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7387.949661][ T1078]      ipv6_find_idev+0x102/0x170
[ 7387.949661][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7387.949661][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7387.949661][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7387.949661][ T1078]      netlink_unicast+0x449/0x710
[ 7387.949661][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7387.949661][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7387.949661][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7387.949661][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7387.949661][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7387.949661][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7387.949661][ T1078] 
[ 7387.951471][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7387.951471][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7387.951471][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7387.951471][ T1078]      ipv6_find_idev+0x102/0x170
[ 7387.951471][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7387.951471][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7387.951471][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7387.951471][ T1078]      netlink_unicast+0x449/0x710
[ 7387.951471][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7387.951471][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7387.951471][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7387.951471][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7387.951471][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7387.951471][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7387.951471][ T1078] 
[ 7396.210808][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7396.211158][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7396.211158][   T10]      netdev_get_by_index+0x5e/0x80
[ 7396.211158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7396.211158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7396.211158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7396.211158][   T10]      ipv6_add_addr+0x411/0x2000
[ 7396.211158][   T10]      inet6_addr_add+0x30e/0xa40
[ 7396.211158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7396.211158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.211158][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.211158][   T10]      netlink_unicast+0x449/0x710
[ 7396.211158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.211158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.211158][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.211158][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.211158][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.211158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.211158][   T10] 
[ 7396.213205][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7396.213205][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7396.213205][   T10]      ipv6_find_idev+0x102/0x170
[ 7396.213205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7396.213205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.213205][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.213205][   T10]      netlink_unicast+0x449/0x710
[ 7396.213205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.213205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.213205][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.213205][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.213205][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.213205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.213205][   T10] 
[ 7396.214756][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7396.214756][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7396.214756][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7396.214756][   T10]      ipv6_find_idev+0x102/0x170
[ 7396.214756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7396.214756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.214756][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.214756][   T10]      netlink_unicast+0x449/0x710
[ 7396.214756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.214756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.214756][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.214756][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.214756][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.214756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.214756][   T10] 
[ 7396.216467][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7396.216708][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7396.216708][   T10]      netdev_get_by_index+0x5e/0x80
[ 7396.216708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7396.216708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7396.216708][   T10]      ip6_route_add+0x1c/0x140
[ 7396.216708][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7396.216708][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7396.216708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7396.216708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.216708][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.216708][   T10]      netlink_unicast+0x449/0x710
[ 7396.216708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.216708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.216708][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.216708][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.216708][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.216708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.216708][   T10] 
[ 7396.218713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7396.218713][   T10]      netdev_get_by_index+0x5e/0x80
[ 7396.218713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7396.218713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7396.218713][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7396.218713][   T10]      ipv6_add_addr+0x411/0x2000
[ 7396.218713][   T10]      inet6_addr_add+0x30e/0xa40
[ 7396.218713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7396.218713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.218713][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.218713][   T10]      netlink_unicast+0x449/0x710
[ 7396.218713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.218713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.218713][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.218713][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.218713][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.218713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.218713][   T10] 
[ 7396.220718][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7396.220718][   T10]      netdev_get_by_index+0x5e/0x80
[ 7396.220718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7396.220718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7396.220718][   T10]      ip6_route_add+0x1c/0x140
[ 7396.220718][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7396.220718][   T10]      addrconf_add_dev+0xe2/0x170
[ 7396.220718][   T10]      inet6_addr_add+0x12f/0xa40
[ 7396.220718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7396.220718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.220718][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.220718][   T10]      netlink_unicast+0x449/0x710
[ 7396.220718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.220718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.220718][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.220718][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.220718][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.220718][   T10] 
[ 7396.222680][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7396.222680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7396.222680][   T10]      ipv6_find_idev+0x102/0x170
[ 7396.222680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7396.222680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.222680][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.222680][   T10]      netlink_unicast+0x449/0x710
[ 7396.222680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.222680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.222680][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.222680][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.222680][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.222680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.222680][   T10] 
[ 7396.224218][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7396.224218][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7396.224218][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7396.224218][   T10]      ipv6_find_idev+0x102/0x170
[ 7396.224218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7396.224218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7396.224218][   T10]      netlink_rcv_skb+0x130/0x360
[ 7396.224218][   T10]      netlink_unicast+0x449/0x710
[ 7396.224218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7396.224218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7396.224218][   T10]      ___sys_sendmsg+0xee/0x170
[ 7396.224218][   T10]      __sys_sendmsg+0xcd/0x170
[ 7396.224218][   T10]      do_syscall_64+0xc6/0x1e0
[ 7396.224218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7396.224218][   T10] 
[ 7398.194886][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7398.195895][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7398.195895][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7398.195895][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7398.195895][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7398.195895][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7398.195895][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7398.195895][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7398.195895][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7398.195895][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7398.195895][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7398.195895][ T1078]      netlink_unicast+0x449/0x710
[ 7398.195895][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7398.195895][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7398.195895][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7398.195895][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7398.195895][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7398.195895][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7398.195895][ T1078] 
[ 7398.198203][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7398.198203][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7398.198203][ T1078]      ipv6_find_idev+0x102/0x170
[ 7398.198203][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7398.198203][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7398.198203][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7398.198203][ T1078]      netlink_unicast+0x449/0x710
[ 7398.198203][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7398.198203][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7398.198203][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7398.198203][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7398.198203][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7398.198203][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7398.198203][ T1078] 
[ 7398.199981][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7398.199981][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7398.199981][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7398.199981][ T1078]      ipv6_find_idev+0x102/0x170
[ 7398.199981][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7398.199981][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7398.199981][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7398.199981][ T1078]      netlink_unicast+0x449/0x710
[ 7398.199981][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7398.199981][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7398.199981][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7398.199981][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7398.199981][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7398.199981][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7398.199981][ T1078] 
[ 7406.274800][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7406.275229][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7406.275229][   T10]      netdev_get_by_index+0x5e/0x80
[ 7406.275229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7406.275229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7406.275229][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7406.275229][   T10]      ipv6_add_addr+0x411/0x2000
[ 7406.275229][   T10]      inet6_addr_add+0x30e/0xa40
[ 7406.275229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7406.275229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.275229][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.275229][   T10]      netlink_unicast+0x449/0x710
[ 7406.275229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.275229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.275229][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.275229][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.275229][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.275229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.275229][   T10] 
[ 7406.277248][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7406.277248][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7406.277248][   T10]      ipv6_find_idev+0x102/0x170
[ 7406.277248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7406.277248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.277248][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.277248][   T10]      netlink_unicast+0x449/0x710
[ 7406.277248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.277248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.277248][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.277248][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.277248][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.277248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.277248][   T10] 
[ 7406.278787][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7406.278787][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7406.278787][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7406.278787][   T10]      ipv6_find_idev+0x102/0x170
[ 7406.278787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7406.278787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.278787][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.278787][   T10]      netlink_unicast+0x449/0x710
[ 7406.278787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.278787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.278787][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.278787][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.278787][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.278787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.278787][   T10] 
[ 7406.280487][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7406.280738][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7406.280738][   T10]      netdev_get_by_index+0x5e/0x80
[ 7406.280738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7406.280738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7406.280738][   T10]      ip6_route_add+0x1c/0x140
[ 7406.280738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7406.280738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7406.280738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7406.280738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.280738][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.280738][   T10]      netlink_unicast+0x449/0x710
[ 7406.280738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.280738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.280738][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.280738][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.280738][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.280738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.280738][   T10] 
[ 7406.282733][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7406.282733][   T10]      netdev_get_by_index+0x5e/0x80
[ 7406.282733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7406.282733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7406.282733][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7406.282733][   T10]      ipv6_add_addr+0x411/0x2000
[ 7406.282733][   T10]      inet6_addr_add+0x30e/0xa40
[ 7406.282733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7406.282733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.282733][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.282733][   T10]      netlink_unicast+0x449/0x710
[ 7406.282733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.282733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.282733][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.282733][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.282733][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.282733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.282733][   T10] 
[ 7406.284743][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7406.284743][   T10]      netdev_get_by_index+0x5e/0x80
[ 7406.284743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7406.284743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7406.284743][   T10]      ip6_route_add+0x1c/0x140
[ 7406.284743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7406.284743][   T10]      addrconf_add_dev+0xe2/0x170
[ 7406.284743][   T10]      inet6_addr_add+0x12f/0xa40
[ 7406.284743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7406.284743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.284743][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.284743][   T10]      netlink_unicast+0x449/0x710
[ 7406.284743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.284743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.284743][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.284743][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.284743][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.284743][   T10] 
[ 7406.286699][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7406.286699][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7406.286699][   T10]      ipv6_find_idev+0x102/0x170
[ 7406.286699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7406.286699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.286699][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.286699][   T10]      netlink_unicast+0x449/0x710
[ 7406.286699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.286699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.286699][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.286699][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.286699][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.286699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.286699][   T10] 
[ 7406.288237][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7406.288237][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7406.288237][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7406.288237][   T10]      ipv6_find_idev+0x102/0x170
[ 7406.288237][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7406.288237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7406.288237][   T10]      netlink_rcv_skb+0x130/0x360
[ 7406.288237][   T10]      netlink_unicast+0x449/0x710
[ 7406.288237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7406.288237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7406.288237][   T10]      ___sys_sendmsg+0xee/0x170
[ 7406.288237][   T10]      __sys_sendmsg+0xcd/0x170
[ 7406.288237][   T10]      do_syscall_64+0xc6/0x1e0
[ 7406.288237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7406.288237][   T10] 
[ 7408.442881][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7408.443396][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7408.443396][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7408.443396][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7408.443396][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7408.443396][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7408.443396][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7408.443396][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7408.443396][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7408.443396][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7408.443396][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7408.443396][ T1078]      netlink_unicast+0x449/0x710
[ 7408.443396][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7408.443396][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7408.443396][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7408.443396][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7408.443396][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7408.443396][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7408.443396][ T1078] 
[ 7408.445800][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7408.445800][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7408.445800][ T1078]      ipv6_find_idev+0x102/0x170
[ 7408.445800][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7408.445800][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7408.445800][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7408.445800][ T1078]      netlink_unicast+0x449/0x710
[ 7408.445800][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7408.445800][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7408.445800][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7408.445800][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7408.445800][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7408.445800][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7408.445800][ T1078] 
[ 7408.447591][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7408.447591][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7408.447591][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7408.447591][ T1078]      ipv6_find_idev+0x102/0x170
[ 7408.447591][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7408.447591][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7408.447591][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7408.447591][ T1078]      netlink_unicast+0x449/0x710
[ 7408.447591][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7408.447591][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7408.447591][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7408.447591][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7408.447591][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7408.447591][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7408.447591][ T1078] 
[ 7416.290861][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7416.291502][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7416.291502][   T10]      netdev_get_by_index+0x5e/0x80
[ 7416.291502][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7416.291502][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7416.291502][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7416.291502][   T10]      ipv6_add_addr+0x411/0x2000
[ 7416.291502][   T10]      inet6_addr_add+0x30e/0xa40
[ 7416.291502][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7416.291502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.291502][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.291502][   T10]      netlink_unicast+0x449/0x710
[ 7416.291502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.291502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.291502][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.291502][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.291502][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.291502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.291502][   T10] 
[ 7416.293569][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7416.293569][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7416.293569][   T10]      ipv6_find_idev+0x102/0x170
[ 7416.293569][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7416.293569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.293569][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.293569][   T10]      netlink_unicast+0x449/0x710
[ 7416.293569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.293569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.293569][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.293569][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.293569][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.293569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.293569][   T10] 
[ 7416.295148][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7416.295148][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7416.295148][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7416.295148][   T10]      ipv6_find_idev+0x102/0x170
[ 7416.295148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7416.295148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.295148][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.295148][   T10]      netlink_unicast+0x449/0x710
[ 7416.295148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.295148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.295148][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.295148][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.295148][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.295148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.295148][   T10] 
[ 7416.296879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7416.297118][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7416.297118][   T10]      netdev_get_by_index+0x5e/0x80
[ 7416.297118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7416.297118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7416.297118][   T10]      ip6_route_add+0x1c/0x140
[ 7416.297118][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7416.297118][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7416.297118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7416.297118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.297118][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.297118][   T10]      netlink_unicast+0x449/0x710
[ 7416.297118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.297118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.297118][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.297118][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.297118][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.297118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.297118][   T10] 
[ 7416.299154][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7416.299154][   T10]      netdev_get_by_index+0x5e/0x80
[ 7416.299154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7416.299154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7416.299154][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7416.299154][   T10]      ipv6_add_addr+0x411/0x2000
[ 7416.299154][   T10]      inet6_addr_add+0x30e/0xa40
[ 7416.299154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7416.299154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.299154][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.299154][   T10]      netlink_unicast+0x449/0x710
[ 7416.299154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.299154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.299154][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.299154][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.299154][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.299154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.299154][   T10] 
[ 7416.301187][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7416.301187][   T10]      netdev_get_by_index+0x5e/0x80
[ 7416.301187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7416.301187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7416.301187][   T10]      ip6_route_add+0x1c/0x140
[ 7416.301187][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7416.301187][   T10]      addrconf_add_dev+0xe2/0x170
[ 7416.301187][   T10]      inet6_addr_add+0x12f/0xa40
[ 7416.301187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7416.301187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.301187][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.301187][   T10]      netlink_unicast+0x449/0x710
[ 7416.301187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.301187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.301187][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.301187][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.301187][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.301187][   T10] 
[ 7416.303175][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7416.303175][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7416.303175][   T10]      ipv6_find_idev+0x102/0x170
[ 7416.303175][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7416.303175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.303175][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.303175][   T10]      netlink_unicast+0x449/0x710
[ 7416.303175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.303175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.303175][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.303175][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.303175][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.303175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.303175][   T10] 
[ 7416.304712][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7416.304712][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7416.304712][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7416.304712][   T10]      ipv6_find_idev+0x102/0x170
[ 7416.304712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7416.304712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7416.304712][   T10]      netlink_rcv_skb+0x130/0x360
[ 7416.304712][   T10]      netlink_unicast+0x449/0x710
[ 7416.304712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7416.304712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7416.304712][   T10]      ___sys_sendmsg+0xee/0x170
[ 7416.304712][   T10]      __sys_sendmsg+0xcd/0x170
[ 7416.304712][   T10]      do_syscall_64+0xc6/0x1e0
[ 7416.304712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7416.304712][   T10] 
[ 7418.690865][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7418.691616][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7418.691616][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7418.691616][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7418.691616][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7418.691616][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7418.691616][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7418.691616][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7418.691616][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7418.691616][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7418.691616][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7418.691616][ T1078]      netlink_unicast+0x449/0x710
[ 7418.691616][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7418.691616][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7418.691616][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7418.691616][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7418.691616][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7418.691616][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7418.691616][ T1078] 
[ 7418.693974][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7418.693974][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7418.693974][ T1078]      ipv6_find_idev+0x102/0x170
[ 7418.693974][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7418.693974][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7418.693974][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7418.693974][ T1078]      netlink_unicast+0x449/0x710
[ 7418.693974][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7418.693974][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7418.693974][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7418.693974][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7418.693974][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7418.693974][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7418.693974][ T1078] 
[ 7418.695736][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7418.695736][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7418.695736][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7418.695736][ T1078]      ipv6_find_idev+0x102/0x170
[ 7418.695736][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7418.695736][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7418.695736][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7418.695736][ T1078]      netlink_unicast+0x449/0x710
[ 7418.695736][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7418.695736][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7418.695736][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7418.695736][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7418.695736][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7418.695736][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7418.695736][ T1078] 
[ 7426.546791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7426.547202][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7426.547202][   T10]      netdev_get_by_index+0x5e/0x80
[ 7426.547202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7426.547202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7426.547202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7426.547202][   T10]      ipv6_add_addr+0x411/0x2000
[ 7426.547202][   T10]      inet6_addr_add+0x30e/0xa40
[ 7426.547202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7426.547202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.547202][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.547202][   T10]      netlink_unicast+0x449/0x710
[ 7426.547202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.547202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.547202][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.547202][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.547202][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.547202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.547202][   T10] 
[ 7426.549234][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7426.549234][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7426.549234][   T10]      ipv6_find_idev+0x102/0x170
[ 7426.549234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7426.549234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.549234][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.549234][   T10]      netlink_unicast+0x449/0x710
[ 7426.549234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.549234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.549234][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.549234][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.549234][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.549234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.549234][   T10] 
[ 7426.550795][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7426.550795][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7426.550795][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7426.550795][   T10]      ipv6_find_idev+0x102/0x170
[ 7426.550795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7426.550795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.550795][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.550795][   T10]      netlink_unicast+0x449/0x710
[ 7426.550795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.550795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.550795][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.550795][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.550795][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.550795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.550795][   T10] 
[ 7426.552484][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7426.552728][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7426.552728][   T10]      netdev_get_by_index+0x5e/0x80
[ 7426.552728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7426.552728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7426.552728][   T10]      ip6_route_add+0x1c/0x140
[ 7426.552728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7426.552728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7426.552728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7426.552728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.552728][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.552728][   T10]      netlink_unicast+0x449/0x710
[ 7426.552728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.552728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.552728][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.552728][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.552728][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.552728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.552728][   T10] 
[ 7426.554717][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7426.554717][   T10]      netdev_get_by_index+0x5e/0x80
[ 7426.554717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7426.554717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7426.554717][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7426.554717][   T10]      ipv6_add_addr+0x411/0x2000
[ 7426.554717][   T10]      inet6_addr_add+0x30e/0xa40
[ 7426.554717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7426.554717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.554717][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.554717][   T10]      netlink_unicast+0x449/0x710
[ 7426.554717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.554717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.554717][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.554717][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.554717][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.554717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.554717][   T10] 
[ 7426.556753][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7426.556753][   T10]      netdev_get_by_index+0x5e/0x80
[ 7426.556753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7426.556753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7426.556753][   T10]      ip6_route_add+0x1c/0x140
[ 7426.556753][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7426.556753][   T10]      addrconf_add_dev+0xe2/0x170
[ 7426.556753][   T10]      inet6_addr_add+0x12f/0xa40
[ 7426.556753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7426.556753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.556753][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.556753][   T10]      netlink_unicast+0x449/0x710
[ 7426.556753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.556753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.556753][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.556753][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.556753][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.556753][   T10] 
[ 7426.558703][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7426.558703][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7426.558703][   T10]      ipv6_find_idev+0x102/0x170
[ 7426.558703][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7426.558703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.558703][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.558703][   T10]      netlink_unicast+0x449/0x710
[ 7426.558703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.558703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.558703][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.558703][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.558703][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.558703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.558703][   T10] 
[ 7426.560238][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7426.560238][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7426.560238][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7426.560238][   T10]      ipv6_find_idev+0x102/0x170
[ 7426.560238][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7426.560238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7426.560238][   T10]      netlink_rcv_skb+0x130/0x360
[ 7426.560238][   T10]      netlink_unicast+0x449/0x710
[ 7426.560238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7426.560238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7426.560238][   T10]      ___sys_sendmsg+0xee/0x170
[ 7426.560238][   T10]      __sys_sendmsg+0xcd/0x170
[ 7426.560238][   T10]      do_syscall_64+0xc6/0x1e0
[ 7426.560238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7426.560238][   T10] 
[ 7428.938817][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7428.939268][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7428.939268][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7428.939268][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7428.939268][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7428.939268][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7428.939268][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7428.939268][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7428.939268][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7428.939268][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7428.939268][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7428.939268][ T1078]      netlink_unicast+0x449/0x710
[ 7428.939268][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7428.939268][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7428.939268][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7428.939268][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7428.939268][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7428.939268][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7428.939268][ T1078] 
[ 7428.941562][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7428.941562][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7428.941562][ T1078]      ipv6_find_idev+0x102/0x170
[ 7428.941562][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7428.941562][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7428.941562][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7428.941562][ T1078]      netlink_unicast+0x449/0x710
[ 7428.941562][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7428.941562][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7428.941562][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7428.941562][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7428.941562][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7428.941562][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7428.941562][ T1078] 
[ 7428.943406][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7428.943406][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7428.943406][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7428.943406][ T1078]      ipv6_find_idev+0x102/0x170
[ 7428.943406][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7428.943406][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7428.943406][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7428.943406][ T1078]      netlink_unicast+0x449/0x710
[ 7428.943406][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7428.943406][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7428.943406][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7428.943406][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7428.943406][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7428.943406][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7428.943406][ T1078] 
[ 7436.802802][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7436.803155][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7436.803155][   T10]      netdev_get_by_index+0x5e/0x80
[ 7436.803155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7436.803155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7436.803155][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7436.803155][   T10]      ipv6_add_addr+0x411/0x2000
[ 7436.803155][   T10]      inet6_addr_add+0x30e/0xa40
[ 7436.803155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7436.803155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.803155][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.803155][   T10]      netlink_unicast+0x449/0x710
[ 7436.803155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.803155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.803155][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.803155][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.803155][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.803155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.803155][   T10] 
[ 7436.805159][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7436.805159][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7436.805159][   T10]      ipv6_find_idev+0x102/0x170
[ 7436.805159][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7436.805159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.805159][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.805159][   T10]      netlink_unicast+0x449/0x710
[ 7436.805159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.805159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.805159][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.805159][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.805159][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.805159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.805159][   T10] 
[ 7436.806696][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7436.806696][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7436.806696][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7436.806696][   T10]      ipv6_find_idev+0x102/0x170
[ 7436.806696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7436.806696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.806696][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.806696][   T10]      netlink_unicast+0x449/0x710
[ 7436.806696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.806696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.806696][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.806696][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.806696][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.806696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.806696][   T10] 
[ 7436.808377][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7436.808616][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7436.808616][   T10]      netdev_get_by_index+0x5e/0x80
[ 7436.808616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7436.808616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7436.808616][   T10]      ip6_route_add+0x1c/0x140
[ 7436.808616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7436.808616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7436.808616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7436.808616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.808616][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.808616][   T10]      netlink_unicast+0x449/0x710
[ 7436.808616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.808616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.808616][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.808616][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.808616][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.808616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.808616][   T10] 
[ 7436.810620][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7436.810620][   T10]      netdev_get_by_index+0x5e/0x80
[ 7436.810620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7436.810620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7436.810620][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7436.810620][   T10]      ipv6_add_addr+0x411/0x2000
[ 7436.810620][   T10]      inet6_addr_add+0x30e/0xa40
[ 7436.810620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7436.810620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.810620][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.810620][   T10]      netlink_unicast+0x449/0x710
[ 7436.810620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.810620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.810620][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.810620][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.810620][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.810620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.810620][   T10] 
[ 7436.812613][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7436.812613][   T10]      netdev_get_by_index+0x5e/0x80
[ 7436.812613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7436.812613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7436.812613][   T10]      ip6_route_add+0x1c/0x140
[ 7436.812613][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7436.812613][   T10]      addrconf_add_dev+0xe2/0x170
[ 7436.812613][   T10]      inet6_addr_add+0x12f/0xa40
[ 7436.812613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7436.812613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.812613][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.812613][   T10]      netlink_unicast+0x449/0x710
[ 7436.812613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.812613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.812613][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.812613][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.812613][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.812613][   T10] 
[ 7436.814577][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7436.814577][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7436.814577][   T10]      ipv6_find_idev+0x102/0x170
[ 7436.814577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7436.814577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.814577][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.814577][   T10]      netlink_unicast+0x449/0x710
[ 7436.814577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.814577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.814577][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.814577][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.814577][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.814577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.814577][   T10] 
[ 7436.816133][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7436.816133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7436.816133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7436.816133][   T10]      ipv6_find_idev+0x102/0x170
[ 7436.816133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7436.816133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7436.816133][   T10]      netlink_rcv_skb+0x130/0x360
[ 7436.816133][   T10]      netlink_unicast+0x449/0x710
[ 7436.816133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7436.816133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7436.816133][   T10]      ___sys_sendmsg+0xee/0x170
[ 7436.816133][   T10]      __sys_sendmsg+0xcd/0x170
[ 7436.816133][   T10]      do_syscall_64+0xc6/0x1e0
[ 7436.816133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7436.816133][   T10] 
[ 7439.338903][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7439.339297][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7439.339297][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7439.339297][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7439.339297][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7439.339297][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7439.339297][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7439.339297][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7439.339297][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7439.339297][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7439.339297][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7439.339297][ T1078]      netlink_unicast+0x449/0x710
[ 7439.339297][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7439.339297][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7439.339297][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7439.339297][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7439.339297][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7439.339297][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7439.339297][ T1078] 
[ 7439.341582][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7439.341582][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7439.341582][ T1078]      ipv6_find_idev+0x102/0x170
[ 7439.341582][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7439.341582][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7439.341582][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7439.341582][ T1078]      netlink_unicast+0x449/0x710
[ 7439.341582][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7439.341582][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7439.341582][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7439.341582][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7439.341582][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7439.341582][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7439.341582][ T1078] 
[ 7439.343327][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7439.343327][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7439.343327][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7439.343327][ T1078]      ipv6_find_idev+0x102/0x170
[ 7439.343327][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7439.343327][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7439.343327][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7439.343327][ T1078]      netlink_unicast+0x449/0x710
[ 7439.343327][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7439.343327][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7439.343327][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7439.343327][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7439.343327][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7439.343327][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7439.343327][ T1078] 
[ 7446.914802][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7446.915151][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7446.915151][   T10]      netdev_get_by_index+0x5e/0x80
[ 7446.915151][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7446.915151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7446.915151][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7446.915151][   T10]      ipv6_add_addr+0x411/0x2000
[ 7446.915151][   T10]      inet6_addr_add+0x30e/0xa40
[ 7446.915151][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7446.915151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.915151][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.915151][   T10]      netlink_unicast+0x449/0x710
[ 7446.915151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.915151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.915151][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.915151][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.915151][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.915151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.915151][   T10] 
[ 7446.917163][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7446.917163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7446.917163][   T10]      ipv6_find_idev+0x102/0x170
[ 7446.917163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7446.917163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.917163][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.917163][   T10]      netlink_unicast+0x449/0x710
[ 7446.917163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.917163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.917163][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.917163][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.917163][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.917163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.917163][   T10] 
[ 7446.918700][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7446.918700][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7446.918700][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7446.918700][   T10]      ipv6_find_idev+0x102/0x170
[ 7446.918700][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7446.918700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.918700][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.918700][   T10]      netlink_unicast+0x449/0x710
[ 7446.918700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.918700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.918700][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.918700][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.918700][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.918700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.918700][   T10] 
[ 7446.920390][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7446.920627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7446.920627][   T10]      netdev_get_by_index+0x5e/0x80
[ 7446.920627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7446.920627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7446.920627][   T10]      ip6_route_add+0x1c/0x140
[ 7446.920627][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7446.920627][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7446.920627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7446.920627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.920627][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.920627][   T10]      netlink_unicast+0x449/0x710
[ 7446.920627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.920627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.920627][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.920627][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.920627][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.920627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.920627][   T10] 
[ 7446.922739][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7446.922739][   T10]      netdev_get_by_index+0x5e/0x80
[ 7446.922739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7446.922739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7446.922739][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7446.922739][   T10]      ipv6_add_addr+0x411/0x2000
[ 7446.922739][   T10]      inet6_addr_add+0x30e/0xa40
[ 7446.922739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7446.922739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.922739][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.922739][   T10]      netlink_unicast+0x449/0x710
[ 7446.922739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.922739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.922739][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.922739][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.922739][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.922739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.922739][   T10] 
[ 7446.924732][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7446.924732][   T10]      netdev_get_by_index+0x5e/0x80
[ 7446.924732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7446.924732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7446.924732][   T10]      ip6_route_add+0x1c/0x140
[ 7446.924732][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7446.924732][   T10]      addrconf_add_dev+0xe2/0x170
[ 7446.924732][   T10]      inet6_addr_add+0x12f/0xa40
[ 7446.924732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7446.924732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.924732][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.924732][   T10]      netlink_unicast+0x449/0x710
[ 7446.924732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.924732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.924732][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.924732][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.924732][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.924732][   T10] 
[ 7446.926688][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7446.926688][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7446.926688][   T10]      ipv6_find_idev+0x102/0x170
[ 7446.926688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7446.926688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.926688][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.926688][   T10]      netlink_unicast+0x449/0x710
[ 7446.926688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.926688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.926688][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.926688][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.926688][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.926688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.926688][   T10] 
[ 7446.928219][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7446.928219][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7446.928219][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7446.928219][   T10]      ipv6_find_idev+0x102/0x170
[ 7446.928219][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7446.928219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7446.928219][   T10]      netlink_rcv_skb+0x130/0x360
[ 7446.928219][   T10]      netlink_unicast+0x449/0x710
[ 7446.928219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7446.928219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7446.928219][   T10]      ___sys_sendmsg+0xee/0x170
[ 7446.928219][   T10]      __sys_sendmsg+0xcd/0x170
[ 7446.928219][   T10]      do_syscall_64+0xc6/0x1e0
[ 7446.928219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7446.928219][   T10] 
[ 7449.474815][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7449.475269][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7449.475269][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7449.475269][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7449.475269][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7449.475269][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7449.475269][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7449.475269][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7449.475269][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7449.475269][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7449.475269][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7449.475269][ T1078]      netlink_unicast+0x449/0x710
[ 7449.475269][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7449.475269][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7449.475269][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7449.475269][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7449.475269][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7449.475269][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7449.475269][ T1078] 
[ 7449.477562][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7449.477562][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7449.477562][ T1078]      ipv6_find_idev+0x102/0x170
[ 7449.477562][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7449.477562][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7449.477562][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7449.477562][ T1078]      netlink_unicast+0x449/0x710
[ 7449.477562][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7449.477562][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7449.477562][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7449.477562][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7449.477562][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7449.477562][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7449.477562][ T1078] 
[ 7449.479317][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7449.479317][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7449.479317][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7449.479317][ T1078]      ipv6_find_idev+0x102/0x170
[ 7449.479317][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7449.479317][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7449.479317][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7449.479317][ T1078]      netlink_unicast+0x449/0x710
[ 7449.479317][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7449.479317][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7449.479317][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7449.479317][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7449.479317][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7449.479317][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7449.479317][ T1078] 
[ 7457.170793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7457.171198][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7457.171198][   T10]      netdev_get_by_index+0x5e/0x80
[ 7457.171198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7457.171198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7457.171198][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7457.171198][   T10]      ipv6_add_addr+0x411/0x2000
[ 7457.171198][   T10]      inet6_addr_add+0x30e/0xa40
[ 7457.171198][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7457.171198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.171198][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.171198][   T10]      netlink_unicast+0x449/0x710
[ 7457.171198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.171198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.171198][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.171198][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.171198][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.171198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.171198][   T10] 
[ 7457.173221][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7457.173221][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7457.173221][   T10]      ipv6_find_idev+0x102/0x170
[ 7457.173221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7457.173221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.173221][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.173221][   T10]      netlink_unicast+0x449/0x710
[ 7457.173221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.173221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.173221][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.173221][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.173221][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.173221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.173221][   T10] 
[ 7457.174759][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7457.174759][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7457.174759][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7457.174759][   T10]      ipv6_find_idev+0x102/0x170
[ 7457.174759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7457.174759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.174759][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.174759][   T10]      netlink_unicast+0x449/0x710
[ 7457.174759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.174759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.174759][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.174759][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.174759][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.174759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.174759][   T10] 
[ 7457.176444][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7457.176687][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7457.176687][   T10]      netdev_get_by_index+0x5e/0x80
[ 7457.176687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7457.176687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7457.176687][   T10]      ip6_route_add+0x1c/0x140
[ 7457.176687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7457.176687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7457.176687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7457.176687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.176687][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.176687][   T10]      netlink_unicast+0x449/0x710
[ 7457.176687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.176687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.176687][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.176687][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.176687][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.176687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.176687][   T10] 
[ 7457.178704][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7457.178704][   T10]      netdev_get_by_index+0x5e/0x80
[ 7457.178704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7457.178704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7457.178704][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7457.178704][   T10]      ipv6_add_addr+0x411/0x2000
[ 7457.178704][   T10]      inet6_addr_add+0x30e/0xa40
[ 7457.178704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7457.178704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.178704][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.178704][   T10]      netlink_unicast+0x449/0x710
[ 7457.178704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.178704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.178704][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.178704][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.178704][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.178704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.178704][   T10] 
[ 7457.180735][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7457.180735][   T10]      netdev_get_by_index+0x5e/0x80
[ 7457.180735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7457.180735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7457.180735][   T10]      ip6_route_add+0x1c/0x140
[ 7457.180735][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7457.180735][   T10]      addrconf_add_dev+0xe2/0x170
[ 7457.180735][   T10]      inet6_addr_add+0x12f/0xa40
[ 7457.180735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7457.180735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.180735][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.180735][   T10]      netlink_unicast+0x449/0x710
[ 7457.180735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.180735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.180735][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.180735][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.180735][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.180735][   T10] 
[ 7457.182709][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7457.182709][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7457.182709][   T10]      ipv6_find_idev+0x102/0x170
[ 7457.182709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7457.182709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.182709][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.182709][   T10]      netlink_unicast+0x449/0x710
[ 7457.182709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.182709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.182709][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.182709][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.182709][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.182709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.182709][   T10] 
[ 7457.184248][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7457.184248][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7457.184248][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7457.184248][   T10]      ipv6_find_idev+0x102/0x170
[ 7457.184248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7457.184248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7457.184248][   T10]      netlink_rcv_skb+0x130/0x360
[ 7457.184248][   T10]      netlink_unicast+0x449/0x710
[ 7457.184248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7457.184248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7457.184248][   T10]      ___sys_sendmsg+0xee/0x170
[ 7457.184248][   T10]      __sys_sendmsg+0xcd/0x170
[ 7457.184248][   T10]      do_syscall_64+0xc6/0x1e0
[ 7457.184248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7457.184248][   T10] 
[ 7459.722817][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7459.723273][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7459.723273][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7459.723273][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7459.723273][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7459.723273][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7459.723273][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7459.723273][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7459.723273][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7459.723273][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7459.723273][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7459.723273][ T1078]      netlink_unicast+0x449/0x710
[ 7459.723273][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7459.723273][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7459.723273][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7459.723273][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7459.723273][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7459.723273][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7459.723273][ T1078] 
[ 7459.725553][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7459.725553][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7459.725553][ T1078]      ipv6_find_idev+0x102/0x170
[ 7459.725553][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7459.725553][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7459.725553][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7459.725553][ T1078]      netlink_unicast+0x449/0x710
[ 7459.725553][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7459.725553][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7459.725553][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7459.725553][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7459.725553][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7459.725553][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7459.725553][ T1078] 
[ 7459.727278][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7459.727278][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7459.727278][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7459.727278][ T1078]      ipv6_find_idev+0x102/0x170
[ 7459.727278][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7459.727278][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7459.727278][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7459.727278][ T1078]      netlink_unicast+0x449/0x710
[ 7459.727278][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7459.727278][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7459.727278][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7459.727278][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7459.727278][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7459.727278][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7459.727278][ T1078] 
[ 7467.426804][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7467.427221][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7467.427221][   T10]      netdev_get_by_index+0x5e/0x80
[ 7467.427221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7467.427221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7467.427221][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7467.427221][   T10]      ipv6_add_addr+0x411/0x2000
[ 7467.427221][   T10]      inet6_addr_add+0x30e/0xa40
[ 7467.427221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7467.427221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.427221][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.427221][   T10]      netlink_unicast+0x449/0x710
[ 7467.427221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.427221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.427221][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.427221][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.427221][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.427221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.427221][   T10] 
[ 7467.429256][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7467.429256][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7467.429256][   T10]      ipv6_find_idev+0x102/0x170
[ 7467.429256][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7467.429256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.429256][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.429256][   T10]      netlink_unicast+0x449/0x710
[ 7467.429256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.429256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.429256][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.429256][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.429256][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.429256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.429256][   T10] 
[ 7467.430798][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7467.430798][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7467.430798][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7467.430798][   T10]      ipv6_find_idev+0x102/0x170
[ 7467.430798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7467.430798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.430798][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.430798][   T10]      netlink_unicast+0x449/0x710
[ 7467.430798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.430798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.430798][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.430798][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.430798][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.430798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.430798][   T10] 
[ 7467.432503][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7467.432769][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7467.432769][   T10]      netdev_get_by_index+0x5e/0x80
[ 7467.432769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7467.432769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7467.432769][   T10]      ip6_route_add+0x1c/0x140
[ 7467.432769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7467.432769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7467.432769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7467.432769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.432769][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.432769][   T10]      netlink_unicast+0x449/0x710
[ 7467.432769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.432769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.432769][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.432769][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.432769][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.432769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.432769][   T10] 
[ 7467.434770][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7467.434770][   T10]      netdev_get_by_index+0x5e/0x80
[ 7467.434770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7467.434770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7467.434770][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7467.434770][   T10]      ipv6_add_addr+0x411/0x2000
[ 7467.434770][   T10]      inet6_addr_add+0x30e/0xa40
[ 7467.434770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7467.434770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.434770][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.434770][   T10]      netlink_unicast+0x449/0x710
[ 7467.434770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.434770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.434770][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.434770][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.434770][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.434770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.434770][   T10] 
[ 7467.436765][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7467.436765][   T10]      netdev_get_by_index+0x5e/0x80
[ 7467.436765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7467.436765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7467.436765][   T10]      ip6_route_add+0x1c/0x140
[ 7467.436765][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7467.436765][   T10]      addrconf_add_dev+0xe2/0x170
[ 7467.436765][   T10]      inet6_addr_add+0x12f/0xa40
[ 7467.436765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7467.436765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.436765][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.436765][   T10]      netlink_unicast+0x449/0x710
[ 7467.436765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.436765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.436765][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.436765][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.436765][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.436765][   T10] 
[ 7467.438723][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7467.438723][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7467.438723][   T10]      ipv6_find_idev+0x102/0x170
[ 7467.438723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7467.438723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.438723][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.438723][   T10]      netlink_unicast+0x449/0x710
[ 7467.438723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.438723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.438723][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.438723][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.438723][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.438723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.438723][   T10] 
[ 7467.440262][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7467.440262][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7467.440262][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7467.440262][   T10]      ipv6_find_idev+0x102/0x170
[ 7467.440262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7467.440262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7467.440262][   T10]      netlink_rcv_skb+0x130/0x360
[ 7467.440262][   T10]      netlink_unicast+0x449/0x710
[ 7467.440262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7467.440262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7467.440262][   T10]      ___sys_sendmsg+0xee/0x170
[ 7467.440262][   T10]      __sys_sendmsg+0xcd/0x170
[ 7467.440262][   T10]      do_syscall_64+0xc6/0x1e0
[ 7467.440262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7467.440262][   T10] 
[ 7469.970822][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7469.971392][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7469.971392][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7469.971392][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7469.971392][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7469.971392][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7469.971392][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7469.971392][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7469.971392][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7469.971392][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7469.971392][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7469.971392][ T1078]      netlink_unicast+0x449/0x710
[ 7469.971392][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7469.971392][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7469.971392][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7469.971392][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7469.971392][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7469.971392][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7469.971392][ T1078] 
[ 7469.973652][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7469.973652][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7469.973652][ T1078]      ipv6_find_idev+0x102/0x170
[ 7469.973652][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7469.973652][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7469.973652][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7469.973652][ T1078]      netlink_unicast+0x449/0x710
[ 7469.973652][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7469.973652][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7469.973652][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7469.973652][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7469.973652][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7469.973652][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7469.973652][ T1078] 
[ 7469.975382][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7469.975382][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7469.975382][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7469.975382][ T1078]      ipv6_find_idev+0x102/0x170
[ 7469.975382][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7469.975382][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7469.975382][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7469.975382][ T1078]      netlink_unicast+0x449/0x710
[ 7469.975382][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7469.975382][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7469.975382][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7469.975382][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7469.975382][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7469.975382][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7469.975382][ T1078] 
[ 7477.682788][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7477.683215][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7477.683215][   T10]      netdev_get_by_index+0x5e/0x80
[ 7477.683215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7477.683215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7477.683215][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7477.683215][   T10]      ipv6_add_addr+0x411/0x2000
[ 7477.683215][   T10]      inet6_addr_add+0x30e/0xa40
[ 7477.683215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7477.683215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.683215][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.683215][   T10]      netlink_unicast+0x449/0x710
[ 7477.683215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.683215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.683215][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.683215][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.683215][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.683215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.683215][   T10] 
[ 7477.685238][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7477.685238][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7477.685238][   T10]      ipv6_find_idev+0x102/0x170
[ 7477.685238][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7477.685238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.685238][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.685238][   T10]      netlink_unicast+0x449/0x710
[ 7477.685238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.685238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.685238][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.685238][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.685238][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.685238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.685238][   T10] 
[ 7477.686776][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7477.686776][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7477.686776][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7477.686776][   T10]      ipv6_find_idev+0x102/0x170
[ 7477.686776][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7477.686776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.686776][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.686776][   T10]      netlink_unicast+0x449/0x710
[ 7477.686776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.686776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.686776][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.686776][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.686776][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.686776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.686776][   T10] 
[ 7477.688461][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7477.688713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7477.688713][   T10]      netdev_get_by_index+0x5e/0x80
[ 7477.688713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7477.688713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7477.688713][   T10]      ip6_route_add+0x1c/0x140
[ 7477.688713][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7477.688713][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7477.688713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7477.688713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.688713][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.688713][   T10]      netlink_unicast+0x449/0x710
[ 7477.688713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.688713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.688713][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.688713][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.688713][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.688713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.688713][   T10] 
[ 7477.690712][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7477.690712][   T10]      netdev_get_by_index+0x5e/0x80
[ 7477.690712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7477.690712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7477.690712][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7477.690712][   T10]      ipv6_add_addr+0x411/0x2000
[ 7477.690712][   T10]      inet6_addr_add+0x30e/0xa40
[ 7477.690712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7477.690712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.690712][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.690712][   T10]      netlink_unicast+0x449/0x710
[ 7477.690712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.690712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.690712][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.690712][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.690712][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.690712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.690712][   T10] 
[ 7477.692703][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7477.692703][   T10]      netdev_get_by_index+0x5e/0x80
[ 7477.692703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7477.692703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7477.692703][   T10]      ip6_route_add+0x1c/0x140
[ 7477.692703][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7477.692703][   T10]      addrconf_add_dev+0xe2/0x170
[ 7477.692703][   T10]      inet6_addr_add+0x12f/0xa40
[ 7477.692703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7477.692703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.692703][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.692703][   T10]      netlink_unicast+0x449/0x710
[ 7477.692703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.692703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.692703][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.692703][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.692703][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.692703][   T10] 
[ 7477.694655][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7477.694655][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7477.694655][   T10]      ipv6_find_idev+0x102/0x170
[ 7477.694655][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7477.694655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.694655][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.694655][   T10]      netlink_unicast+0x449/0x710
[ 7477.694655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.694655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.694655][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.694655][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.694655][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.694655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.694655][   T10] 
[ 7477.696189][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7477.696189][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7477.696189][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7477.696189][   T10]      ipv6_find_idev+0x102/0x170
[ 7477.696189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7477.696189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7477.696189][   T10]      netlink_rcv_skb+0x130/0x360
[ 7477.696189][   T10]      netlink_unicast+0x449/0x710
[ 7477.696189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7477.696189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7477.696189][   T10]      ___sys_sendmsg+0xee/0x170
[ 7477.696189][   T10]      __sys_sendmsg+0xcd/0x170
[ 7477.696189][   T10]      do_syscall_64+0xc6/0x1e0
[ 7477.696189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7477.696189][   T10] 
[ 7480.218798][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7480.219240][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7480.219240][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7480.219240][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7480.219240][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7480.219240][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7480.219240][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7480.219240][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7480.219240][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7480.219240][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7480.219240][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7480.219240][ T1078]      netlink_unicast+0x449/0x710
[ 7480.219240][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7480.219240][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7480.219240][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7480.219240][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7480.219240][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7480.219240][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7480.219240][ T1078] 
[ 7480.221500][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7480.221500][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7480.221500][ T1078]      ipv6_find_idev+0x102/0x170
[ 7480.221500][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7480.221500][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7480.221500][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7480.221500][ T1078]      netlink_unicast+0x449/0x710
[ 7480.221500][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7480.221500][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7480.221500][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7480.221500][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7480.221500][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7480.221500][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7480.221500][ T1078] 
[ 7480.223240][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7480.223240][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7480.223240][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7480.223240][ T1078]      ipv6_find_idev+0x102/0x170
[ 7480.223240][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7480.223240][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7480.223240][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7480.223240][ T1078]      netlink_unicast+0x449/0x710
[ 7480.223240][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7480.223240][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7480.223240][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7480.223240][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7480.223240][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7480.223240][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7480.223240][ T1078] 
[ 7487.938793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7487.939154][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7487.939154][   T10]      netdev_get_by_index+0x5e/0x80
[ 7487.939154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7487.939154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7487.939154][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7487.939154][   T10]      ipv6_add_addr+0x411/0x2000
[ 7487.939154][   T10]      inet6_addr_add+0x30e/0xa40
[ 7487.939154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7487.939154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.939154][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.939154][   T10]      netlink_unicast+0x449/0x710
[ 7487.939154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.939154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.939154][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.939154][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.939154][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.939154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.939154][   T10] 
[ 7487.941171][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7487.941171][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7487.941171][   T10]      ipv6_find_idev+0x102/0x170
[ 7487.941171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7487.941171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.941171][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.941171][   T10]      netlink_unicast+0x449/0x710
[ 7487.941171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.941171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.941171][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.941171][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.941171][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.941171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.941171][   T10] 
[ 7487.942706][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7487.942706][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7487.942706][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7487.942706][   T10]      ipv6_find_idev+0x102/0x170
[ 7487.942706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7487.942706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.942706][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.942706][   T10]      netlink_unicast+0x449/0x710
[ 7487.942706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.942706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.942706][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.942706][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.942706][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.942706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.942706][   T10] 
[ 7487.944400][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7487.944640][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7487.944640][   T10]      netdev_get_by_index+0x5e/0x80
[ 7487.944640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7487.944640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7487.944640][   T10]      ip6_route_add+0x1c/0x140
[ 7487.944640][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7487.944640][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7487.944640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7487.944640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.944640][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.944640][   T10]      netlink_unicast+0x449/0x710
[ 7487.944640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.944640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.944640][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.944640][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.944640][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.944640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.944640][   T10] 
[ 7487.946640][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7487.946640][   T10]      netdev_get_by_index+0x5e/0x80
[ 7487.946640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7487.946640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7487.946640][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7487.946640][   T10]      ipv6_add_addr+0x411/0x2000
[ 7487.946640][   T10]      inet6_addr_add+0x30e/0xa40
[ 7487.946640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7487.946640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.946640][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.946640][   T10]      netlink_unicast+0x449/0x710
[ 7487.946640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.946640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.946640][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.946640][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.946640][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.946640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.946640][   T10] 
[ 7487.948625][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7487.948625][   T10]      netdev_get_by_index+0x5e/0x80
[ 7487.948625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7487.948625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7487.948625][   T10]      ip6_route_add+0x1c/0x140
[ 7487.948625][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7487.948625][   T10]      addrconf_add_dev+0xe2/0x170
[ 7487.948625][   T10]      inet6_addr_add+0x12f/0xa40
[ 7487.948625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7487.948625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.948625][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.948625][   T10]      netlink_unicast+0x449/0x710
[ 7487.948625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.948625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.948625][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.948625][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.948625][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.948625][   T10] 
[ 7487.950596][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7487.950596][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7487.950596][   T10]      ipv6_find_idev+0x102/0x170
[ 7487.950596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7487.950596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.950596][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.950596][   T10]      netlink_unicast+0x449/0x710
[ 7487.950596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.950596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.950596][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.950596][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.950596][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.950596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.950596][   T10] 
[ 7487.952126][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7487.952126][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7487.952126][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7487.952126][   T10]      ipv6_find_idev+0x102/0x170
[ 7487.952126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7487.952126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7487.952126][   T10]      netlink_rcv_skb+0x130/0x360
[ 7487.952126][   T10]      netlink_unicast+0x449/0x710
[ 7487.952126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7487.952126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7487.952126][   T10]      ___sys_sendmsg+0xee/0x170
[ 7487.952126][   T10]      __sys_sendmsg+0xcd/0x170
[ 7487.952126][   T10]      do_syscall_64+0xc6/0x1e0
[ 7487.952126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7487.952126][   T10] 
[ 7490.466806][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7490.467241][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7490.467241][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7490.467241][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7490.467241][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7490.467241][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7490.467241][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7490.467241][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7490.467241][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7490.467241][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7490.467241][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7490.467241][ T1078]      netlink_unicast+0x449/0x710
[ 7490.467241][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7490.467241][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7490.467241][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7490.467241][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7490.467241][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7490.467241][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7490.467241][ T1078] 
[ 7490.469503][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7490.469503][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7490.469503][ T1078]      ipv6_find_idev+0x102/0x170
[ 7490.469503][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7490.469503][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7490.469503][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7490.469503][ T1078]      netlink_unicast+0x449/0x710
[ 7490.469503][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7490.469503][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7490.469503][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7490.469503][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7490.469503][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7490.469503][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7490.469503][ T1078] 
[ 7490.471233][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7490.471233][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7490.471233][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7490.471233][ T1078]      ipv6_find_idev+0x102/0x170
[ 7490.471233][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7490.471233][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7490.471233][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7490.471233][ T1078]      netlink_unicast+0x449/0x710
[ 7490.471233][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7490.471233][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7490.471233][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7490.471233][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7490.471233][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7490.471233][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7490.471233][ T1078] 
[ 7497.002814][   T42] INFO: task modprobe:1347 blocked for more than 122 seconds.
[ 7497.003181][   T42]       Not tainted 6.8.0-virtme #1
[ 7497.003301][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 7497.003504][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 7497.003788][   T42] Call Trace:
[ 7497.003888][   T42]  <TASK>
[ 7497.003961][   T42]  __schedule+0x705/0x1ac0
[ 7497.004101][   T42]  ? __pfx___schedule+0x10/0x10
[ 7497.004227][   T42]  ? schedule+0x1a5/0x210
[ 7497.004323][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7497.004451][   T42]  ? mark_lock+0x38/0x3e0
[ 7497.004547][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 7497.004674][   T42]  ? schedule+0x1a5/0x210
[ 7497.005003][   T42]  schedule+0xdf/0x210
[ 7497.005108][   T42]  schedule_preempt_disabled+0x15/0x30
[ 7497.005230][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 7497.005360][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 7497.005516][   T42]  ? kasan_save_stack+0x34/0x50
[ 7497.005639][   T42]  ? kasan_save_stack+0x24/0x50
[ 7497.005775][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7497.005912][   T42]  ? lock_acquire+0x1c1/0x220
[ 7497.006034][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 7497.006168][   T42]  down_write+0x1c9/0x200
[ 7497.006263][   T42]  ? __pfx_down_write+0x10/0x10
[ 7497.006384][   T42]  ? __pfx___lock_release+0x10/0x10
[ 7497.006512][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 7497.006743][   T42]  register_pernet_subsys+0x1a/0x50
[ 7497.006876][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 7497.007056][   T42]  do_one_initcall+0xc8/0x3f0
[ 7497.007180][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 7497.007313][   T42]  ? __create_object+0x5e/0xb0
[ 7497.007440][   T42]  ? kasan_unpoison+0x27/0x60
[ 7497.007574][   T42]  do_init_module+0x233/0x740
[ 7497.007724][   T42]  load_module+0x16b5/0x2350
[ 7497.007866][   T42]  ? __pfx_load_module+0x10/0x10
[ 7497.007991][   T42]  ? kernel_read_file+0x3d2/0x520
[ 7497.008118][   T42]  ? kernel_read_file+0x300/0x520
[ 7497.008244][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 7497.008382][   T42]  ? init_module_from_file+0xd2/0x130
[ 7497.008503][   T42]  init_module_from_file+0xd2/0x130
[ 7497.008626][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 7497.008785][   T42]  ? __lock_release+0x103/0x460
[ 7497.008917][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7497.009055][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7497.009185][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 7497.009311][   T42]  idempotent_init_module+0x342/0x620
[ 7497.009436][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 7497.009608][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 7497.009743][   T42]  do_syscall_64+0xc6/0x1e0
[ 7497.009869][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7497.010033][   T42] RIP: 0033:0x7f688a3aae5d
[ 7497.010297][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 7497.010484][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 7497.010668][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 7497.010865][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 7497.011055][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 7497.011241][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 7497.011448][   T42]  </TASK>
[ 7497.011542][   T42] 
[ 7497.011542][   T42] Showing all locks held in the system:
[ 7497.011740][   T42] 3 locks held by kworker/u16:0/10:
[ 7497.011864][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7497.012117][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7497.012333][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 7497.012552][   T42] 1 lock held by khungtaskd/42:
[ 7497.012669][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 7497.012900][   T42] 2 locks held by kworker/u19:1/60:
[ 7497.013019][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7497.013262][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7497.013541][   T42] 1 lock held by modprobe/1347:
[ 7497.013658][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 7497.013912][   T42] 
[ 7497.013977][   T42] =============================================
[ 7497.013977][   T42] 
[ 7498.194796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7498.195105][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7498.195105][   T10]      netdev_get_by_index+0x5e/0x80
[ 7498.195105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7498.195105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7498.195105][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7498.195105][   T10]      ipv6_add_addr+0x411/0x2000
[ 7498.195105][   T10]      inet6_addr_add+0x30e/0xa40
[ 7498.195105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7498.195105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.195105][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.195105][   T10]      netlink_unicast+0x449/0x710
[ 7498.195105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.195105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.195105][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.195105][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.195105][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.195105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.195105][   T10] 
[ 7498.197150][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7498.197150][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7498.197150][   T10]      ipv6_find_idev+0x102/0x170
[ 7498.197150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7498.197150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.197150][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.197150][   T10]      netlink_unicast+0x449/0x710
[ 7498.197150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.197150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.197150][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.197150][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.197150][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.197150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.197150][   T10] 
[ 7498.198687][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7498.198687][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7498.198687][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7498.198687][   T10]      ipv6_find_idev+0x102/0x170
[ 7498.198687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7498.198687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.198687][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.198687][   T10]      netlink_unicast+0x449/0x710
[ 7498.198687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.198687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.198687][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.198687][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.198687][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.198687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.198687][   T10] 
[ 7498.200442][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7498.200684][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7498.200684][   T10]      netdev_get_by_index+0x5e/0x80
[ 7498.200684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7498.200684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7498.200684][   T10]      ip6_route_add+0x1c/0x140
[ 7498.200684][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7498.200684][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7498.200684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7498.200684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.200684][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.200684][   T10]      netlink_unicast+0x449/0x710
[ 7498.200684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.200684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.200684][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.200684][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.200684][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.200684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.200684][   T10] 
[ 7498.202673][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7498.202673][   T10]      netdev_get_by_index+0x5e/0x80
[ 7498.202673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7498.202673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7498.202673][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7498.202673][   T10]      ipv6_add_addr+0x411/0x2000
[ 7498.202673][   T10]      inet6_addr_add+0x30e/0xa40
[ 7498.202673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7498.202673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.202673][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.202673][   T10]      netlink_unicast+0x449/0x710
[ 7498.202673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.202673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.202673][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.202673][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.202673][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.202673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.202673][   T10] 
[ 7498.204678][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7498.204678][   T10]      netdev_get_by_index+0x5e/0x80
[ 7498.204678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7498.204678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7498.204678][   T10]      ip6_route_add+0x1c/0x140
[ 7498.204678][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7498.204678][   T10]      addrconf_add_dev+0xe2/0x170
[ 7498.204678][   T10]      inet6_addr_add+0x12f/0xa40
[ 7498.204678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7498.204678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.204678][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.204678][   T10]      netlink_unicast+0x449/0x710
[ 7498.204678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.204678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.204678][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.204678][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.204678][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.204678][   T10] 
[ 7498.206642][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7498.206642][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7498.206642][   T10]      ipv6_find_idev+0x102/0x170
[ 7498.206642][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7498.206642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.206642][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.206642][   T10]      netlink_unicast+0x449/0x710
[ 7498.206642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.206642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.206642][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.206642][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.206642][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.206642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.206642][   T10] 
[ 7498.208182][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7498.208182][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7498.208182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7498.208182][   T10]      ipv6_find_idev+0x102/0x170
[ 7498.208182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7498.208182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7498.208182][   T10]      netlink_rcv_skb+0x130/0x360
[ 7498.208182][   T10]      netlink_unicast+0x449/0x710
[ 7498.208182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7498.208182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7498.208182][   T10]      ___sys_sendmsg+0xee/0x170
[ 7498.208182][   T10]      __sys_sendmsg+0xcd/0x170
[ 7498.208182][   T10]      do_syscall_64+0xc6/0x1e0
[ 7498.208182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7498.208182][   T10] 
[ 7500.714800][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7500.715169][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7500.715169][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7500.715169][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7500.715169][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7500.715169][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7500.715169][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7500.715169][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7500.715169][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7500.715169][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7500.715169][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7500.715169][ T1078]      netlink_unicast+0x449/0x710
[ 7500.715169][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7500.715169][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7500.715169][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7500.715169][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7500.715169][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7500.715169][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7500.715169][ T1078] 
[ 7500.717421][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7500.717421][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7500.717421][ T1078]      ipv6_find_idev+0x102/0x170
[ 7500.717421][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7500.717421][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7500.717421][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7500.717421][ T1078]      netlink_unicast+0x449/0x710
[ 7500.717421][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7500.717421][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7500.717421][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7500.717421][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7500.717421][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7500.717421][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7500.717421][ T1078] 
[ 7500.719298][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7500.719298][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7500.719298][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7500.719298][ T1078]      ipv6_find_idev+0x102/0x170
[ 7500.719298][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7500.719298][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7500.719298][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7500.719298][ T1078]      netlink_unicast+0x449/0x710
[ 7500.719298][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7500.719298][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7500.719298][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7500.719298][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7500.719298][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7500.719298][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7500.719298][ T1078] 
[ 7508.450817][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7508.451222][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7508.451222][   T10]      netdev_get_by_index+0x5e/0x80
[ 7508.451222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7508.451222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7508.451222][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7508.451222][   T10]      ipv6_add_addr+0x411/0x2000
[ 7508.451222][   T10]      inet6_addr_add+0x30e/0xa40
[ 7508.451222][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7508.451222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.451222][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.451222][   T10]      netlink_unicast+0x449/0x710
[ 7508.451222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.451222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.451222][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.451222][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.451222][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.451222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.451222][   T10] 
[ 7508.453248][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7508.453248][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7508.453248][   T10]      ipv6_find_idev+0x102/0x170
[ 7508.453248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7508.453248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.453248][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.453248][   T10]      netlink_unicast+0x449/0x710
[ 7508.453248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.453248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.453248][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.453248][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.453248][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.453248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.453248][   T10] 
[ 7508.454790][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7508.454790][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7508.454790][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7508.454790][   T10]      ipv6_find_idev+0x102/0x170
[ 7508.454790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7508.454790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.454790][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.454790][   T10]      netlink_unicast+0x449/0x710
[ 7508.454790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.454790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.454790][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.454790][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.454790][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.454790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.454790][   T10] 
[ 7508.456469][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7508.456707][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7508.456707][   T10]      netdev_get_by_index+0x5e/0x80
[ 7508.456707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7508.456707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7508.456707][   T10]      ip6_route_add+0x1c/0x140
[ 7508.456707][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7508.456707][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7508.456707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7508.456707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.456707][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.456707][   T10]      netlink_unicast+0x449/0x710
[ 7508.456707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.456707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.456707][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.456707][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.456707][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.456707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.456707][   T10] 
[ 7508.458693][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7508.458693][   T10]      netdev_get_by_index+0x5e/0x80
[ 7508.458693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7508.458693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7508.458693][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7508.458693][   T10]      ipv6_add_addr+0x411/0x2000
[ 7508.458693][   T10]      inet6_addr_add+0x30e/0xa40
[ 7508.458693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7508.458693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.458693][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.458693][   T10]      netlink_unicast+0x449/0x710
[ 7508.458693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.458693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.458693][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.458693][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.458693][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.458693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.458693][   T10] 
[ 7508.460685][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7508.460685][   T10]      netdev_get_by_index+0x5e/0x80
[ 7508.460685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7508.460685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7508.460685][   T10]      ip6_route_add+0x1c/0x140
[ 7508.460685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7508.460685][   T10]      addrconf_add_dev+0xe2/0x170
[ 7508.460685][   T10]      inet6_addr_add+0x12f/0xa40
[ 7508.460685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7508.460685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.460685][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.460685][   T10]      netlink_unicast+0x449/0x710
[ 7508.460685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.460685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.460685][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.460685][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.460685][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.460685][   T10] 
[ 7508.462632][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7508.462632][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7508.462632][   T10]      ipv6_find_idev+0x102/0x170
[ 7508.462632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7508.462632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.462632][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.462632][   T10]      netlink_unicast+0x449/0x710
[ 7508.462632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.462632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.462632][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.462632][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.462632][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.462632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.462632][   T10] 
[ 7508.464162][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7508.464162][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7508.464162][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7508.464162][   T10]      ipv6_find_idev+0x102/0x170
[ 7508.464162][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7508.464162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7508.464162][   T10]      netlink_rcv_skb+0x130/0x360
[ 7508.464162][   T10]      netlink_unicast+0x449/0x710
[ 7508.464162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7508.464162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7508.464162][   T10]      ___sys_sendmsg+0xee/0x170
[ 7508.464162][   T10]      __sys_sendmsg+0xcd/0x170
[ 7508.464162][   T10]      do_syscall_64+0xc6/0x1e0
[ 7508.464162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7508.464162][   T10] 
[ 7510.962846][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7510.963287][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7510.963287][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7510.963287][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7510.963287][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7510.963287][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7510.963287][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7510.963287][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7510.963287][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7510.963287][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7510.963287][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7510.963287][ T1078]      netlink_unicast+0x449/0x710
[ 7510.963287][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7510.963287][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7510.963287][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7510.963287][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7510.963287][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7510.963287][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7510.963287][ T1078] 
[ 7510.965565][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7510.965565][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7510.965565][ T1078]      ipv6_find_idev+0x102/0x170
[ 7510.965565][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7510.965565][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7510.965565][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7510.965565][ T1078]      netlink_unicast+0x449/0x710
[ 7510.965565][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7510.965565][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7510.965565][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7510.965565][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7510.965565][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7510.965565][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7510.965565][ T1078] 
[ 7510.967339][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7510.967339][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7510.967339][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7510.967339][ T1078]      ipv6_find_idev+0x102/0x170
[ 7510.967339][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7510.967339][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7510.967339][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7510.967339][ T1078]      netlink_unicast+0x449/0x710
[ 7510.967339][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7510.967339][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7510.967339][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7510.967339][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7510.967339][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7510.967339][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7510.967339][ T1078] 
[ 7518.706794][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7518.707205][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7518.707205][   T10]      netdev_get_by_index+0x5e/0x80
[ 7518.707205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7518.707205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7518.707205][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7518.707205][   T10]      ipv6_add_addr+0x411/0x2000
[ 7518.707205][   T10]      inet6_addr_add+0x30e/0xa40
[ 7518.707205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7518.707205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.707205][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.707205][   T10]      netlink_unicast+0x449/0x710
[ 7518.707205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.707205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.707205][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.707205][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.707205][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.707205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.707205][   T10] 
[ 7518.709239][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7518.709239][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7518.709239][   T10]      ipv6_find_idev+0x102/0x170
[ 7518.709239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7518.709239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.709239][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.709239][   T10]      netlink_unicast+0x449/0x710
[ 7518.709239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.709239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.709239][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.709239][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.709239][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.709239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.709239][   T10] 
[ 7518.710777][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7518.710777][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7518.710777][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7518.710777][   T10]      ipv6_find_idev+0x102/0x170
[ 7518.710777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7518.710777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.710777][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.710777][   T10]      netlink_unicast+0x449/0x710
[ 7518.710777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.710777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.710777][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.710777][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.710777][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.710777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.710777][   T10] 
[ 7518.712548][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7518.712814][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7518.712814][   T10]      netdev_get_by_index+0x5e/0x80
[ 7518.712814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7518.712814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7518.712814][   T10]      ip6_route_add+0x1c/0x140
[ 7518.712814][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7518.712814][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7518.712814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7518.712814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.712814][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.712814][   T10]      netlink_unicast+0x449/0x710
[ 7518.712814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.712814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.712814][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.712814][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.712814][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.712814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.712814][   T10] 
[ 7518.714823][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7518.714823][   T10]      netdev_get_by_index+0x5e/0x80
[ 7518.714823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7518.714823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7518.714823][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7518.714823][   T10]      ipv6_add_addr+0x411/0x2000
[ 7518.714823][   T10]      inet6_addr_add+0x30e/0xa40
[ 7518.714823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7518.714823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.714823][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.714823][   T10]      netlink_unicast+0x449/0x710
[ 7518.714823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.714823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.714823][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.714823][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.714823][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.714823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.714823][   T10] 
[ 7518.716820][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7518.716820][   T10]      netdev_get_by_index+0x5e/0x80
[ 7518.716820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7518.716820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7518.716820][   T10]      ip6_route_add+0x1c/0x140
[ 7518.716820][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7518.716820][   T10]      addrconf_add_dev+0xe2/0x170
[ 7518.716820][   T10]      inet6_addr_add+0x12f/0xa40
[ 7518.716820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7518.716820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.716820][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.716820][   T10]      netlink_unicast+0x449/0x710
[ 7518.716820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.716820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.716820][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.716820][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.716820][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.716820][   T10] 
[ 7518.718789][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7518.718789][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7518.718789][   T10]      ipv6_find_idev+0x102/0x170
[ 7518.718789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7518.718789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.718789][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.718789][   T10]      netlink_unicast+0x449/0x710
[ 7518.718789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.718789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.718789][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.718789][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.718789][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.718789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.718789][   T10] 
[ 7518.720336][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7518.720336][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7518.720336][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7518.720336][   T10]      ipv6_find_idev+0x102/0x170
[ 7518.720336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7518.720336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7518.720336][   T10]      netlink_rcv_skb+0x130/0x360
[ 7518.720336][   T10]      netlink_unicast+0x449/0x710
[ 7518.720336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7518.720336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7518.720336][   T10]      ___sys_sendmsg+0xee/0x170
[ 7518.720336][   T10]      __sys_sendmsg+0xcd/0x170
[ 7518.720336][   T10]      do_syscall_64+0xc6/0x1e0
[ 7518.720336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7518.720336][   T10] 
[ 7521.210822][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7521.211275][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7521.211275][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7521.211275][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7521.211275][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7521.211275][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7521.211275][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7521.211275][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7521.211275][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7521.211275][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7521.211275][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7521.211275][ T1078]      netlink_unicast+0x449/0x710
[ 7521.211275][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7521.211275][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7521.211275][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7521.211275][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7521.211275][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7521.211275][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7521.211275][ T1078] 
[ 7521.213562][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7521.213562][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7521.213562][ T1078]      ipv6_find_idev+0x102/0x170
[ 7521.213562][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7521.213562][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7521.213562][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7521.213562][ T1078]      netlink_unicast+0x449/0x710
[ 7521.213562][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7521.213562][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7521.213562][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7521.213562][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7521.213562][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7521.213562][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7521.213562][ T1078] 
[ 7521.215304][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7521.215304][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7521.215304][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7521.215304][ T1078]      ipv6_find_idev+0x102/0x170
[ 7521.215304][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7521.215304][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7521.215304][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7521.215304][ T1078]      netlink_unicast+0x449/0x710
[ 7521.215304][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7521.215304][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7521.215304][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7521.215304][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7521.215304][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7521.215304][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7521.215304][ T1078] 
[ 7528.962793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7528.963209][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7528.963209][   T10]      netdev_get_by_index+0x5e/0x80
[ 7528.963209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7528.963209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7528.963209][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7528.963209][   T10]      ipv6_add_addr+0x411/0x2000
[ 7528.963209][   T10]      inet6_addr_add+0x30e/0xa40
[ 7528.963209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7528.963209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.963209][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.963209][   T10]      netlink_unicast+0x449/0x710
[ 7528.963209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.963209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.963209][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.963209][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.963209][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.963209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.963209][   T10] 
[ 7528.965220][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7528.965220][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7528.965220][   T10]      ipv6_find_idev+0x102/0x170
[ 7528.965220][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7528.965220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.965220][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.965220][   T10]      netlink_unicast+0x449/0x710
[ 7528.965220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.965220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.965220][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.965220][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.965220][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.965220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.965220][   T10] 
[ 7528.966756][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7528.966756][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7528.966756][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7528.966756][   T10]      ipv6_find_idev+0x102/0x170
[ 7528.966756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7528.966756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.966756][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.966756][   T10]      netlink_unicast+0x449/0x710
[ 7528.966756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.966756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.966756][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.966756][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.966756][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.966756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.966756][   T10] 
[ 7528.968439][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7528.968677][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7528.968677][   T10]      netdev_get_by_index+0x5e/0x80
[ 7528.968677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7528.968677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7528.968677][   T10]      ip6_route_add+0x1c/0x140
[ 7528.968677][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7528.968677][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7528.968677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7528.968677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.968677][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.968677][   T10]      netlink_unicast+0x449/0x710
[ 7528.968677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.968677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.968677][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.968677][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.968677][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.968677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.968677][   T10] 
[ 7528.970695][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7528.970695][   T10]      netdev_get_by_index+0x5e/0x80
[ 7528.970695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7528.970695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7528.970695][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7528.970695][   T10]      ipv6_add_addr+0x411/0x2000
[ 7528.970695][   T10]      inet6_addr_add+0x30e/0xa40
[ 7528.970695][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7528.970695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.970695][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.970695][   T10]      netlink_unicast+0x449/0x710
[ 7528.970695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.970695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.970695][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.970695][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.970695][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.970695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.970695][   T10] 
[ 7528.972685][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7528.972685][   T10]      netdev_get_by_index+0x5e/0x80
[ 7528.972685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7528.972685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7528.972685][   T10]      ip6_route_add+0x1c/0x140
[ 7528.972685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7528.972685][   T10]      addrconf_add_dev+0xe2/0x170
[ 7528.972685][   T10]      inet6_addr_add+0x12f/0xa40
[ 7528.972685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7528.972685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.972685][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.972685][   T10]      netlink_unicast+0x449/0x710
[ 7528.972685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.972685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.972685][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.972685][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.972685][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.972685][   T10] 
[ 7528.974634][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7528.974634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7528.974634][   T10]      ipv6_find_idev+0x102/0x170
[ 7528.974634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7528.974634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.974634][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.974634][   T10]      netlink_unicast+0x449/0x710
[ 7528.974634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.974634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.974634][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.974634][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.974634][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.974634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.974634][   T10] 
[ 7528.976172][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7528.976172][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7528.976172][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7528.976172][   T10]      ipv6_find_idev+0x102/0x170
[ 7528.976172][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7528.976172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7528.976172][   T10]      netlink_rcv_skb+0x130/0x360
[ 7528.976172][   T10]      netlink_unicast+0x449/0x710
[ 7528.976172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7528.976172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7528.976172][   T10]      ___sys_sendmsg+0xee/0x170
[ 7528.976172][   T10]      __sys_sendmsg+0xcd/0x170
[ 7528.976172][   T10]      do_syscall_64+0xc6/0x1e0
[ 7528.976172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7528.976172][   T10] 
[ 7531.458821][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7531.459322][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7531.459322][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7531.459322][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7531.459322][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7531.459322][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7531.459322][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7531.459322][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7531.459322][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7531.459322][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7531.459322][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7531.459322][ T1078]      netlink_unicast+0x449/0x710
[ 7531.459322][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7531.459322][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7531.459322][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7531.459322][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7531.459322][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7531.459322][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7531.459322][ T1078] 
[ 7531.461617][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7531.461617][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7531.461617][ T1078]      ipv6_find_idev+0x102/0x170
[ 7531.461617][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7531.461617][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7531.461617][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7531.461617][ T1078]      netlink_unicast+0x449/0x710
[ 7531.461617][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7531.461617][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7531.461617][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7531.461617][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7531.461617][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7531.461617][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7531.461617][ T1078] 
[ 7531.463378][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7531.463378][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7531.463378][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7531.463378][ T1078]      ipv6_find_idev+0x102/0x170
[ 7531.463378][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7531.463378][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7531.463378][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7531.463378][ T1078]      netlink_unicast+0x449/0x710
[ 7531.463378][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7531.463378][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7531.463378][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7531.463378][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7531.463378][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7531.463378][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7531.463378][ T1078] 
[ 7539.218794][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7539.219155][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7539.219155][   T10]      netdev_get_by_index+0x5e/0x80
[ 7539.219155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7539.219155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7539.219155][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7539.219155][   T10]      ipv6_add_addr+0x411/0x2000
[ 7539.219155][   T10]      inet6_addr_add+0x30e/0xa40
[ 7539.219155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7539.219155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.219155][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.219155][   T10]      netlink_unicast+0x449/0x710
[ 7539.219155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.219155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.219155][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.219155][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.219155][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.219155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.219155][   T10] 
[ 7539.221169][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7539.221169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7539.221169][   T10]      ipv6_find_idev+0x102/0x170
[ 7539.221169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7539.221169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.221169][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.221169][   T10]      netlink_unicast+0x449/0x710
[ 7539.221169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.221169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.221169][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.221169][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.221169][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.221169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.221169][   T10] 
[ 7539.222724][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7539.222724][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7539.222724][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7539.222724][   T10]      ipv6_find_idev+0x102/0x170
[ 7539.222724][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7539.222724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.222724][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.222724][   T10]      netlink_unicast+0x449/0x710
[ 7539.222724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.222724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.222724][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.222724][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.222724][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.222724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.222724][   T10] 
[ 7539.224420][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7539.224663][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7539.224663][   T10]      netdev_get_by_index+0x5e/0x80
[ 7539.224663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7539.224663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7539.224663][   T10]      ip6_route_add+0x1c/0x140
[ 7539.224663][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7539.224663][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7539.224663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7539.224663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.224663][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.224663][   T10]      netlink_unicast+0x449/0x710
[ 7539.224663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.224663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.224663][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.224663][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.224663][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.224663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.224663][   T10] 
[ 7539.226668][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7539.226668][   T10]      netdev_get_by_index+0x5e/0x80
[ 7539.226668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7539.226668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7539.226668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7539.226668][   T10]      ipv6_add_addr+0x411/0x2000
[ 7539.226668][   T10]      inet6_addr_add+0x30e/0xa40
[ 7539.226668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7539.226668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.226668][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.226668][   T10]      netlink_unicast+0x449/0x710
[ 7539.226668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.226668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.226668][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.226668][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.226668][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.226668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.226668][   T10] 
[ 7539.228673][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7539.228673][   T10]      netdev_get_by_index+0x5e/0x80
[ 7539.228673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7539.228673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7539.228673][   T10]      ip6_route_add+0x1c/0x140
[ 7539.228673][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7539.228673][   T10]      addrconf_add_dev+0xe2/0x170
[ 7539.228673][   T10]      inet6_addr_add+0x12f/0xa40
[ 7539.228673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7539.228673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.228673][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.228673][   T10]      netlink_unicast+0x449/0x710
[ 7539.228673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.228673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.228673][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.228673][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.228673][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.228673][   T10] 
[ 7539.230665][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7539.230665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7539.230665][   T10]      ipv6_find_idev+0x102/0x170
[ 7539.230665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7539.230665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.230665][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.230665][   T10]      netlink_unicast+0x449/0x710
[ 7539.230665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.230665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.230665][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.230665][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.230665][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.230665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.230665][   T10] 
[ 7539.232203][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7539.232203][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7539.232203][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7539.232203][   T10]      ipv6_find_idev+0x102/0x170
[ 7539.232203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7539.232203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7539.232203][   T10]      netlink_rcv_skb+0x130/0x360
[ 7539.232203][   T10]      netlink_unicast+0x449/0x710
[ 7539.232203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7539.232203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7539.232203][   T10]      ___sys_sendmsg+0xee/0x170
[ 7539.232203][   T10]      __sys_sendmsg+0xcd/0x170
[ 7539.232203][   T10]      do_syscall_64+0xc6/0x1e0
[ 7539.232203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7539.232203][   T10] 
[ 7541.706796][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7541.707196][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7541.707196][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7541.707196][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7541.707196][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7541.707196][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7541.707196][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7541.707196][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7541.707196][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7541.707196][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7541.707196][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7541.707196][ T1078]      netlink_unicast+0x449/0x710
[ 7541.707196][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7541.707196][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7541.707196][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7541.707196][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7541.707196][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7541.707196][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7541.707196][ T1078] 
[ 7541.709507][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7541.709507][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7541.709507][ T1078]      ipv6_find_idev+0x102/0x170
[ 7541.709507][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7541.709507][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7541.709507][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7541.709507][ T1078]      netlink_unicast+0x449/0x710
[ 7541.709507][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7541.709507][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7541.709507][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7541.709507][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7541.709507][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7541.709507][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7541.709507][ T1078] 
[ 7541.711259][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7541.711259][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7541.711259][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7541.711259][ T1078]      ipv6_find_idev+0x102/0x170
[ 7541.711259][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7541.711259][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7541.711259][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7541.711259][ T1078]      netlink_unicast+0x449/0x710
[ 7541.711259][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7541.711259][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7541.711259][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7541.711259][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7541.711259][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7541.711259][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7541.711259][ T1078] 
[ 7549.474795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7549.475142][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7549.475142][   T10]      netdev_get_by_index+0x5e/0x80
[ 7549.475142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7549.475142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7549.475142][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7549.475142][   T10]      ipv6_add_addr+0x411/0x2000
[ 7549.475142][   T10]      inet6_addr_add+0x30e/0xa40
[ 7549.475142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7549.475142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.475142][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.475142][   T10]      netlink_unicast+0x449/0x710
[ 7549.475142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.475142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.475142][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.475142][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.475142][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.475142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.475142][   T10] 
[ 7549.477166][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7549.477166][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7549.477166][   T10]      ipv6_find_idev+0x102/0x170
[ 7549.477166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7549.477166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.477166][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.477166][   T10]      netlink_unicast+0x449/0x710
[ 7549.477166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.477166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.477166][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.477166][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.477166][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.477166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.477166][   T10] 
[ 7549.478721][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7549.478721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7549.478721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7549.478721][   T10]      ipv6_find_idev+0x102/0x170
[ 7549.478721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7549.478721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.478721][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.478721][   T10]      netlink_unicast+0x449/0x710
[ 7549.478721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.478721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.478721][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.478721][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.478721][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.478721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.478721][   T10] 
[ 7549.480422][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7549.480660][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7549.480660][   T10]      netdev_get_by_index+0x5e/0x80
[ 7549.480660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7549.480660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7549.480660][   T10]      ip6_route_add+0x1c/0x140
[ 7549.480660][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7549.480660][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7549.480660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7549.480660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.480660][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.480660][   T10]      netlink_unicast+0x449/0x710
[ 7549.480660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.480660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.480660][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.480660][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.480660][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.480660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.480660][   T10] 
[ 7549.482670][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7549.482670][   T10]      netdev_get_by_index+0x5e/0x80
[ 7549.482670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7549.482670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7549.482670][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7549.482670][   T10]      ipv6_add_addr+0x411/0x2000
[ 7549.482670][   T10]      inet6_addr_add+0x30e/0xa40
[ 7549.482670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7549.482670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.482670][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.482670][   T10]      netlink_unicast+0x449/0x710
[ 7549.482670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.482670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.482670][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.482670][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.482670][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.482670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.482670][   T10] 
[ 7549.484663][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7549.484663][   T10]      netdev_get_by_index+0x5e/0x80
[ 7549.484663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7549.484663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7549.484663][   T10]      ip6_route_add+0x1c/0x140
[ 7549.484663][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7549.484663][   T10]      addrconf_add_dev+0xe2/0x170
[ 7549.484663][   T10]      inet6_addr_add+0x12f/0xa40
[ 7549.484663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7549.484663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.484663][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.484663][   T10]      netlink_unicast+0x449/0x710
[ 7549.484663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.484663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.484663][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.484663][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.484663][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.484663][   T10] 
[ 7549.486620][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7549.486620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7549.486620][   T10]      ipv6_find_idev+0x102/0x170
[ 7549.486620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7549.486620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.486620][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.486620][   T10]      netlink_unicast+0x449/0x710
[ 7549.486620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.486620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.486620][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.486620][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.486620][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.486620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.486620][   T10] 
[ 7549.488153][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7549.488153][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7549.488153][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7549.488153][   T10]      ipv6_find_idev+0x102/0x170
[ 7549.488153][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7549.488153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7549.488153][   T10]      netlink_rcv_skb+0x130/0x360
[ 7549.488153][   T10]      netlink_unicast+0x449/0x710
[ 7549.488153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7549.488153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7549.488153][   T10]      ___sys_sendmsg+0xee/0x170
[ 7549.488153][   T10]      __sys_sendmsg+0xcd/0x170
[ 7549.488153][   T10]      do_syscall_64+0xc6/0x1e0
[ 7549.488153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7549.488153][   T10] 
[ 7551.954793][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7551.955216][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7551.955216][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7551.955216][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7551.955216][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7551.955216][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7551.955216][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7551.955216][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7551.955216][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7551.955216][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7551.955216][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7551.955216][ T1078]      netlink_unicast+0x449/0x710
[ 7551.955216][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7551.955216][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7551.955216][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7551.955216][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7551.955216][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7551.955216][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7551.955216][ T1078] 
[ 7551.957498][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7551.957498][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7551.957498][ T1078]      ipv6_find_idev+0x102/0x170
[ 7551.957498][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7551.957498][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7551.957498][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7551.957498][ T1078]      netlink_unicast+0x449/0x710
[ 7551.957498][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7551.957498][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7551.957498][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7551.957498][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7551.957498][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7551.957498][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7551.957498][ T1078] 
[ 7551.959256][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7551.959256][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7551.959256][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7551.959256][ T1078]      ipv6_find_idev+0x102/0x170
[ 7551.959256][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7551.959256][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7551.959256][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7551.959256][ T1078]      netlink_unicast+0x449/0x710
[ 7551.959256][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7551.959256][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7551.959256][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7551.959256][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7551.959256][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7551.959256][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7551.959256][ T1078] 
[ 7559.730823][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7559.731193][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7559.731193][   T10]      netdev_get_by_index+0x5e/0x80
[ 7559.731193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7559.731193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7559.731193][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7559.731193][   T10]      ipv6_add_addr+0x411/0x2000
[ 7559.731193][   T10]      inet6_addr_add+0x30e/0xa40
[ 7559.731193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7559.731193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.731193][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.731193][   T10]      netlink_unicast+0x449/0x710
[ 7559.731193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.731193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.731193][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.731193][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.731193][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.731193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.731193][   T10] 
[ 7559.733311][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7559.733311][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7559.733311][   T10]      ipv6_find_idev+0x102/0x170
[ 7559.733311][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7559.733311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.733311][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.733311][   T10]      netlink_unicast+0x449/0x710
[ 7559.733311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.733311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.733311][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.733311][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.733311][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.733311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.733311][   T10] 
[ 7559.734840][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7559.734840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7559.734840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7559.734840][   T10]      ipv6_find_idev+0x102/0x170
[ 7559.734840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7559.734840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.734840][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.734840][   T10]      netlink_unicast+0x449/0x710
[ 7559.734840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.734840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.734840][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.734840][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.734840][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.734840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.734840][   T10] 
[ 7559.736533][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7559.736790][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7559.736790][   T10]      netdev_get_by_index+0x5e/0x80
[ 7559.736790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7559.736790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7559.736790][   T10]      ip6_route_add+0x1c/0x140
[ 7559.736790][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7559.736790][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7559.736790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7559.736790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.736790][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.736790][   T10]      netlink_unicast+0x449/0x710
[ 7559.736790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.736790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.736790][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.736790][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.736790][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.736790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.736790][   T10] 
[ 7559.738802][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7559.738802][   T10]      netdev_get_by_index+0x5e/0x80
[ 7559.738802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7559.738802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7559.738802][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7559.738802][   T10]      ipv6_add_addr+0x411/0x2000
[ 7559.738802][   T10]      inet6_addr_add+0x30e/0xa40
[ 7559.738802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7559.738802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.738802][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.738802][   T10]      netlink_unicast+0x449/0x710
[ 7559.738802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.738802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.738802][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.738802][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.738802][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.738802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.738802][   T10] 
[ 7559.740787][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7559.740787][   T10]      netdev_get_by_index+0x5e/0x80
[ 7559.740787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7559.740787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7559.740787][   T10]      ip6_route_add+0x1c/0x140
[ 7559.740787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7559.740787][   T10]      addrconf_add_dev+0xe2/0x170
[ 7559.740787][   T10]      inet6_addr_add+0x12f/0xa40
[ 7559.740787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7559.740787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.740787][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.740787][   T10]      netlink_unicast+0x449/0x710
[ 7559.740787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.740787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.740787][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.740787][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.740787][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.740787][   T10] 
[ 7559.742729][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7559.742729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7559.742729][   T10]      ipv6_find_idev+0x102/0x170
[ 7559.742729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7559.742729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.742729][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.742729][   T10]      netlink_unicast+0x449/0x710
[ 7559.742729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.742729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.742729][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.742729][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.742729][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.742729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.742729][   T10] 
[ 7559.744259][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7559.744259][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7559.744259][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7559.744259][   T10]      ipv6_find_idev+0x102/0x170
[ 7559.744259][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7559.744259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7559.744259][   T10]      netlink_rcv_skb+0x130/0x360
[ 7559.744259][   T10]      netlink_unicast+0x449/0x710
[ 7559.744259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7559.744259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7559.744259][   T10]      ___sys_sendmsg+0xee/0x170
[ 7559.744259][   T10]      __sys_sendmsg+0xcd/0x170
[ 7559.744259][   T10]      do_syscall_64+0xc6/0x1e0
[ 7559.744259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7559.744259][   T10] 
[ 7562.202802][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7562.203301][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7562.203301][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7562.203301][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7562.203301][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7562.203301][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7562.203301][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7562.203301][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7562.203301][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7562.203301][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7562.203301][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7562.203301][ T1078]      netlink_unicast+0x449/0x710
[ 7562.203301][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7562.203301][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7562.203301][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7562.203301][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7562.203301][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7562.203301][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7562.203301][ T1078] 
[ 7562.205588][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7562.205588][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7562.205588][ T1078]      ipv6_find_idev+0x102/0x170
[ 7562.205588][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7562.205588][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7562.205588][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7562.205588][ T1078]      netlink_unicast+0x449/0x710
[ 7562.205588][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7562.205588][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7562.205588][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7562.205588][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7562.205588][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7562.205588][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7562.205588][ T1078] 
[ 7562.207343][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7562.207343][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7562.207343][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7562.207343][ T1078]      ipv6_find_idev+0x102/0x170
[ 7562.207343][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7562.207343][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7562.207343][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7562.207343][ T1078]      netlink_unicast+0x449/0x710
[ 7562.207343][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7562.207343][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7562.207343][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7562.207343][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7562.207343][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7562.207343][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7562.207343][ T1078] 
[ 7569.986872][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7569.987281][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7569.987281][   T10]      netdev_get_by_index+0x5e/0x80
[ 7569.987281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7569.987281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7569.987281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7569.987281][   T10]      ipv6_add_addr+0x411/0x2000
[ 7569.987281][   T10]      inet6_addr_add+0x30e/0xa40
[ 7569.987281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7569.987281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.987281][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.987281][   T10]      netlink_unicast+0x449/0x710
[ 7569.987281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.987281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.987281][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.987281][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.987281][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.987281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7569.987281][   T10] 
[ 7569.989300][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7569.989300][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7569.989300][   T10]      ipv6_find_idev+0x102/0x170
[ 7569.989300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7569.989300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.989300][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.989300][   T10]      netlink_unicast+0x449/0x710
[ 7569.989300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.989300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.989300][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.989300][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.989300][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.989300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7569.989300][   T10] 
[ 7569.990833][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7569.990833][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7569.990833][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7569.990833][   T10]      ipv6_find_idev+0x102/0x170
[ 7569.990833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7569.990833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.990833][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.990833][   T10]      netlink_unicast+0x449/0x710
[ 7569.990833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.990833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.990833][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.990833][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.990833][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.990833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7569.990833][   T10] 
[ 7569.992510][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7569.992778][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7569.992778][   T10]      netdev_get_by_index+0x5e/0x80
[ 7569.992778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7569.992778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7569.992778][   T10]      ip6_route_add+0x1c/0x140
[ 7569.992778][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7569.992778][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7569.992778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7569.992778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.992778][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.992778][   T10]      netlink_unicast+0x449/0x710
[ 7569.992778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.992778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.992778][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.992778][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.992778][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.992778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7569.992778][   T10] 
[ 7569.994778][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7569.994778][   T10]      netdev_get_by_index+0x5e/0x80
[ 7569.994778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7569.994778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7569.994778][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7569.994778][   T10]      ipv6_add_addr+0x411/0x2000
[ 7569.994778][   T10]      inet6_addr_add+0x30e/0xa40
[ 7569.994778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7569.994778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.994778][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.994778][   T10]      netlink_unicast+0x449/0x710
[ 7569.994778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.994778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.994778][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.994778][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.994778][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.994778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7569.994778][   T10] 
[ 7569.996764][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7569.996764][   T10]      netdev_get_by_index+0x5e/0x80
[ 7569.996764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7569.996764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7569.996764][   T10]      ip6_route_add+0x1c/0x140
[ 7569.996764][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7569.996764][   T10]      addrconf_add_dev+0xe2/0x170
[ 7569.996764][   T10]      inet6_addr_add+0x12f/0xa40
[ 7569.996764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7569.996764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.996764][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.996764][   T10]      netlink_unicast+0x449/0x710
[ 7569.996764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.996764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.996764][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.996764][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.996764][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.996764][   T10] 
[ 7569.998721][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7569.998721][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7569.998721][   T10]      ipv6_find_idev+0x102/0x170
[ 7569.998721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7569.998721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7569.998721][   T10]      netlink_rcv_skb+0x130/0x360
[ 7569.998721][   T10]      netlink_unicast+0x449/0x710
[ 7569.998721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7569.998721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7569.998721][   T10]      ___sys_sendmsg+0xee/0x170
[ 7569.998721][   T10]      __sys_sendmsg+0xcd/0x170
[ 7569.998721][   T10]      do_syscall_64+0xc6/0x1e0
[ 7569.998721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7569.998721][   T10] 
[ 7570.000246][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7570.000246][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7570.000246][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7570.000246][   T10]      ipv6_find_idev+0x102/0x170
[ 7570.000246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7570.000246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7570.000246][   T10]      netlink_rcv_skb+0x130/0x360
[ 7570.000246][   T10]      netlink_unicast+0x449/0x710
[ 7570.000246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7570.000246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7570.000246][   T10]      ___sys_sendmsg+0xee/0x170
[ 7570.000246][   T10]      __sys_sendmsg+0xcd/0x170
[ 7570.000246][   T10]      do_syscall_64+0xc6/0x1e0
[ 7570.000246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7570.000246][   T10] 
[ 7572.450796][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7572.451291][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7572.451291][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7572.451291][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7572.451291][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7572.451291][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7572.451291][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7572.451291][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7572.451291][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7572.451291][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7572.451291][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7572.451291][ T1078]      netlink_unicast+0x449/0x710
[ 7572.451291][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7572.451291][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7572.451291][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7572.451291][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7572.451291][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7572.451291][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7572.451291][ T1078] 
[ 7572.453612][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7572.453612][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7572.453612][ T1078]      ipv6_find_idev+0x102/0x170
[ 7572.453612][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7572.453612][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7572.453612][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7572.453612][ T1078]      netlink_unicast+0x449/0x710
[ 7572.453612][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7572.453612][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7572.453612][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7572.453612][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7572.453612][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7572.453612][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7572.453612][ T1078] 
[ 7572.455357][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7572.455357][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7572.455357][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7572.455357][ T1078]      ipv6_find_idev+0x102/0x170
[ 7572.455357][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7572.455357][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7572.455357][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7572.455357][ T1078]      netlink_unicast+0x449/0x710
[ 7572.455357][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7572.455357][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7572.455357][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7572.455357][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7572.455357][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7572.455357][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7572.455357][ T1078] 
[ 7580.242832][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7580.243188][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7580.243188][   T10]      netdev_get_by_index+0x5e/0x80
[ 7580.243188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7580.243188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7580.243188][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7580.243188][   T10]      ipv6_add_addr+0x411/0x2000
[ 7580.243188][   T10]      inet6_addr_add+0x30e/0xa40
[ 7580.243188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7580.243188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.243188][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.243188][   T10]      netlink_unicast+0x449/0x710
[ 7580.243188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.243188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.243188][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.243188][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.243188][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.243188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.243188][   T10] 
[ 7580.245197][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7580.245197][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7580.245197][   T10]      ipv6_find_idev+0x102/0x170
[ 7580.245197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7580.245197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.245197][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.245197][   T10]      netlink_unicast+0x449/0x710
[ 7580.245197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.245197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.245197][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.245197][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.245197][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.245197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.245197][   T10] 
[ 7580.246735][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7580.246735][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7580.246735][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7580.246735][   T10]      ipv6_find_idev+0x102/0x170
[ 7580.246735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7580.246735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.246735][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.246735][   T10]      netlink_unicast+0x449/0x710
[ 7580.246735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.246735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.246735][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.246735][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.246735][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.246735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.246735][   T10] 
[ 7580.248416][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7580.248671][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7580.248671][   T10]      netdev_get_by_index+0x5e/0x80
[ 7580.248671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7580.248671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7580.248671][   T10]      ip6_route_add+0x1c/0x140
[ 7580.248671][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7580.248671][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7580.248671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7580.248671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.248671][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.248671][   T10]      netlink_unicast+0x449/0x710
[ 7580.248671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.248671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.248671][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.248671][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.248671][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.248671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.248671][   T10] 
[ 7580.250668][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7580.250668][   T10]      netdev_get_by_index+0x5e/0x80
[ 7580.250668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7580.250668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7580.250668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7580.250668][   T10]      ipv6_add_addr+0x411/0x2000
[ 7580.250668][   T10]      inet6_addr_add+0x30e/0xa40
[ 7580.250668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7580.250668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.250668][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.250668][   T10]      netlink_unicast+0x449/0x710
[ 7580.250668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.250668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.250668][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.250668][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.250668][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.250668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.250668][   T10] 
[ 7580.252666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7580.252666][   T10]      netdev_get_by_index+0x5e/0x80
[ 7580.252666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7580.252666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7580.252666][   T10]      ip6_route_add+0x1c/0x140
[ 7580.252666][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7580.252666][   T10]      addrconf_add_dev+0xe2/0x170
[ 7580.252666][   T10]      inet6_addr_add+0x12f/0xa40
[ 7580.252666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7580.252666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.252666][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.252666][   T10]      netlink_unicast+0x449/0x710
[ 7580.252666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.252666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.252666][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.252666][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.252666][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.252666][   T10] 
[ 7580.254630][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7580.254630][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7580.254630][   T10]      ipv6_find_idev+0x102/0x170
[ 7580.254630][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7580.254630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.254630][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.254630][   T10]      netlink_unicast+0x449/0x710
[ 7580.254630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.254630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.254630][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.254630][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.254630][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.254630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.254630][   T10] 
[ 7580.256166][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7580.256166][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7580.256166][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7580.256166][   T10]      ipv6_find_idev+0x102/0x170
[ 7580.256166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7580.256166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7580.256166][   T10]      netlink_rcv_skb+0x130/0x360
[ 7580.256166][   T10]      netlink_unicast+0x449/0x710
[ 7580.256166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7580.256166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7580.256166][   T10]      ___sys_sendmsg+0xee/0x170
[ 7580.256166][   T10]      __sys_sendmsg+0xcd/0x170
[ 7580.256166][   T10]      do_syscall_64+0xc6/0x1e0
[ 7580.256166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7580.256166][   T10] 
[ 7582.698820][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7582.699263][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7582.699263][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7582.699263][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7582.699263][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7582.699263][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7582.699263][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7582.699263][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7582.699263][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7582.699263][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7582.699263][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7582.699263][ T1078]      netlink_unicast+0x449/0x710
[ 7582.699263][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7582.699263][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7582.699263][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7582.699263][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7582.699263][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7582.699263][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7582.699263][ T1078] 
[ 7582.701548][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7582.701548][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7582.701548][ T1078]      ipv6_find_idev+0x102/0x170
[ 7582.701548][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7582.701548][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7582.701548][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7582.701548][ T1078]      netlink_unicast+0x449/0x710
[ 7582.701548][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7582.701548][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7582.701548][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7582.701548][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7582.701548][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7582.701548][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7582.701548][ T1078] 
[ 7582.703306][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7582.703306][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7582.703306][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7582.703306][ T1078]      ipv6_find_idev+0x102/0x170
[ 7582.703306][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7582.703306][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7582.703306][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7582.703306][ T1078]      netlink_unicast+0x449/0x710
[ 7582.703306][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7582.703306][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7582.703306][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7582.703306][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7582.703306][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7582.703306][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7582.703306][ T1078] 
[ 7590.498866][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7590.499278][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7590.499278][   T10]      netdev_get_by_index+0x5e/0x80
[ 7590.499278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7590.499278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7590.499278][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7590.499278][   T10]      ipv6_add_addr+0x411/0x2000
[ 7590.499278][   T10]      inet6_addr_add+0x30e/0xa40
[ 7590.499278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7590.499278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.499278][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.499278][   T10]      netlink_unicast+0x449/0x710
[ 7590.499278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.499278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.499278][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.499278][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.499278][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.499278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.499278][   T10] 
[ 7590.501293][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7590.501293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7590.501293][   T10]      ipv6_find_idev+0x102/0x170
[ 7590.501293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7590.501293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.501293][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.501293][   T10]      netlink_unicast+0x449/0x710
[ 7590.501293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.501293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.501293][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.501293][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.501293][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.501293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.501293][   T10] 
[ 7590.502826][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7590.502826][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7590.502826][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7590.502826][   T10]      ipv6_find_idev+0x102/0x170
[ 7590.502826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7590.502826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.502826][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.502826][   T10]      netlink_unicast+0x449/0x710
[ 7590.502826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.502826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.502826][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.502826][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.502826][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.502826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.502826][   T10] 
[ 7590.504508][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7590.504761][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7590.504761][   T10]      netdev_get_by_index+0x5e/0x80
[ 7590.504761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7590.504761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7590.504761][   T10]      ip6_route_add+0x1c/0x140
[ 7590.504761][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7590.504761][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7590.504761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7590.504761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.504761][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.504761][   T10]      netlink_unicast+0x449/0x710
[ 7590.504761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.504761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.504761][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.504761][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.504761][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.504761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.504761][   T10] 
[ 7590.506763][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7590.506763][   T10]      netdev_get_by_index+0x5e/0x80
[ 7590.506763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7590.506763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7590.506763][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7590.506763][   T10]      ipv6_add_addr+0x411/0x2000
[ 7590.506763][   T10]      inet6_addr_add+0x30e/0xa40
[ 7590.506763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7590.506763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.506763][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.506763][   T10]      netlink_unicast+0x449/0x710
[ 7590.506763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.506763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.506763][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.506763][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.506763][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.506763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.506763][   T10] 
[ 7590.508892][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7590.508892][   T10]      netdev_get_by_index+0x5e/0x80
[ 7590.508892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7590.508892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7590.508892][   T10]      ip6_route_add+0x1c/0x140
[ 7590.508892][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7590.508892][   T10]      addrconf_add_dev+0xe2/0x170
[ 7590.508892][   T10]      inet6_addr_add+0x12f/0xa40
[ 7590.508892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7590.508892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.508892][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.508892][   T10]      netlink_unicast+0x449/0x710
[ 7590.508892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.508892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.508892][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.508892][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.508892][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.508892][   T10] 
[ 7590.510868][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7590.510868][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7590.510868][   T10]      ipv6_find_idev+0x102/0x170
[ 7590.510868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7590.510868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.510868][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.510868][   T10]      netlink_unicast+0x449/0x710
[ 7590.510868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.510868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.510868][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.510868][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.510868][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.510868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.510868][   T10] 
[ 7590.512397][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7590.512397][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7590.512397][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7590.512397][   T10]      ipv6_find_idev+0x102/0x170
[ 7590.512397][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7590.512397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7590.512397][   T10]      netlink_rcv_skb+0x130/0x360
[ 7590.512397][   T10]      netlink_unicast+0x449/0x710
[ 7590.512397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7590.512397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7590.512397][   T10]      ___sys_sendmsg+0xee/0x170
[ 7590.512397][   T10]      __sys_sendmsg+0xcd/0x170
[ 7590.512397][   T10]      do_syscall_64+0xc6/0x1e0
[ 7590.512397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7590.512397][   T10] 
[ 7592.946819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7592.947315][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7592.947315][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7592.947315][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7592.947315][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7592.947315][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7592.947315][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7592.947315][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7592.947315][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7592.947315][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7592.947315][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7592.947315][ T1078]      netlink_unicast+0x449/0x710
[ 7592.947315][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7592.947315][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7592.947315][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7592.947315][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7592.947315][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7592.947315][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7592.947315][ T1078] 
[ 7592.949610][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7592.949610][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7592.949610][ T1078]      ipv6_find_idev+0x102/0x170
[ 7592.949610][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7592.949610][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7592.949610][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7592.949610][ T1078]      netlink_unicast+0x449/0x710
[ 7592.949610][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7592.949610][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7592.949610][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7592.949610][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7592.949610][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7592.949610][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7592.949610][ T1078] 
[ 7592.951359][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7592.951359][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7592.951359][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7592.951359][ T1078]      ipv6_find_idev+0x102/0x170
[ 7592.951359][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7592.951359][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7592.951359][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7592.951359][ T1078]      netlink_unicast+0x449/0x710
[ 7592.951359][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7592.951359][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7592.951359][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7592.951359][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7592.951359][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7592.951359][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7592.951359][ T1078] 
[ 7600.754787][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7600.755189][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7600.755189][   T10]      netdev_get_by_index+0x5e/0x80
[ 7600.755189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7600.755189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7600.755189][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7600.755189][   T10]      ipv6_add_addr+0x411/0x2000
[ 7600.755189][   T10]      inet6_addr_add+0x30e/0xa40
[ 7600.755189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7600.755189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.755189][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.755189][   T10]      netlink_unicast+0x449/0x710
[ 7600.755189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.755189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.755189][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.755189][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.755189][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.755189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.755189][   T10] 
[ 7600.757193][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7600.757193][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7600.757193][   T10]      ipv6_find_idev+0x102/0x170
[ 7600.757193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7600.757193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.757193][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.757193][   T10]      netlink_unicast+0x449/0x710
[ 7600.757193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.757193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.757193][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.757193][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.757193][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.757193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.757193][   T10] 
[ 7600.758733][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7600.758733][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7600.758733][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7600.758733][   T10]      ipv6_find_idev+0x102/0x170
[ 7600.758733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7600.758733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.758733][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.758733][   T10]      netlink_unicast+0x449/0x710
[ 7600.758733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.758733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.758733][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.758733][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.758733][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.758733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.758733][   T10] 
[ 7600.760400][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7600.760636][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7600.760636][   T10]      netdev_get_by_index+0x5e/0x80
[ 7600.760636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7600.760636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7600.760636][   T10]      ip6_route_add+0x1c/0x140
[ 7600.760636][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7600.760636][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7600.760636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7600.760636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.760636][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.760636][   T10]      netlink_unicast+0x449/0x710
[ 7600.760636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.760636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.760636][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.760636][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.760636][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.760636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.760636][   T10] 
[ 7600.762627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7600.762627][   T10]      netdev_get_by_index+0x5e/0x80
[ 7600.762627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7600.762627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7600.762627][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7600.762627][   T10]      ipv6_add_addr+0x411/0x2000
[ 7600.762627][   T10]      inet6_addr_add+0x30e/0xa40
[ 7600.762627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7600.762627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.762627][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.762627][   T10]      netlink_unicast+0x449/0x710
[ 7600.762627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.762627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.762627][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.762627][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.762627][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.762627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.762627][   T10] 
[ 7600.764618][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7600.764618][   T10]      netdev_get_by_index+0x5e/0x80
[ 7600.764618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7600.764618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7600.764618][   T10]      ip6_route_add+0x1c/0x140
[ 7600.764618][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7600.764618][   T10]      addrconf_add_dev+0xe2/0x170
[ 7600.764618][   T10]      inet6_addr_add+0x12f/0xa40
[ 7600.764618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7600.764618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.764618][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.764618][   T10]      netlink_unicast+0x449/0x710
[ 7600.764618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.764618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.764618][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.764618][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.764618][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.764618][   T10] 
[ 7600.766570][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7600.766570][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7600.766570][   T10]      ipv6_find_idev+0x102/0x170
[ 7600.766570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7600.766570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.766570][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.766570][   T10]      netlink_unicast+0x449/0x710
[ 7600.766570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.766570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.766570][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.766570][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.766570][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.766570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.766570][   T10] 
[ 7600.768099][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7600.768099][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7600.768099][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7600.768099][   T10]      ipv6_find_idev+0x102/0x170
[ 7600.768099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7600.768099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7600.768099][   T10]      netlink_rcv_skb+0x130/0x360
[ 7600.768099][   T10]      netlink_unicast+0x449/0x710
[ 7600.768099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7600.768099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7600.768099][   T10]      ___sys_sendmsg+0xee/0x170
[ 7600.768099][   T10]      __sys_sendmsg+0xcd/0x170
[ 7600.768099][   T10]      do_syscall_64+0xc6/0x1e0
[ 7600.768099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7600.768099][   T10] 
[ 7603.194790][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7603.195293][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7603.195293][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7603.195293][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7603.195293][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7603.195293][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7603.195293][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7603.195293][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7603.195293][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7603.195293][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7603.195293][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7603.195293][ T1078]      netlink_unicast+0x449/0x710
[ 7603.195293][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7603.195293][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7603.195293][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7603.195293][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7603.195293][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7603.195293][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7603.195293][ T1078] 
[ 7603.197580][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7603.197580][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7603.197580][ T1078]      ipv6_find_idev+0x102/0x170
[ 7603.197580][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7603.197580][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7603.197580][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7603.197580][ T1078]      netlink_unicast+0x449/0x710
[ 7603.197580][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7603.197580][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7603.197580][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7603.197580][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7603.197580][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7603.197580][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7603.197580][ T1078] 
[ 7603.199346][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7603.199346][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7603.199346][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7603.199346][ T1078]      ipv6_find_idev+0x102/0x170
[ 7603.199346][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7603.199346][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7603.199346][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7603.199346][ T1078]      netlink_unicast+0x449/0x710
[ 7603.199346][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7603.199346][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7603.199346][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7603.199346][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7603.199346][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7603.199346][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7603.199346][ T1078] 
[ 7611.010798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7611.011141][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7611.011141][   T10]      netdev_get_by_index+0x5e/0x80
[ 7611.011141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7611.011141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7611.011141][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7611.011141][   T10]      ipv6_add_addr+0x411/0x2000
[ 7611.011141][   T10]      inet6_addr_add+0x30e/0xa40
[ 7611.011141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7611.011141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.011141][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.011141][   T10]      netlink_unicast+0x449/0x710
[ 7611.011141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.011141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.011141][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.011141][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.011141][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.011141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.011141][   T10] 
[ 7611.013144][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7611.013144][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7611.013144][   T10]      ipv6_find_idev+0x102/0x170
[ 7611.013144][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7611.013144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.013144][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.013144][   T10]      netlink_unicast+0x449/0x710
[ 7611.013144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.013144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.013144][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.013144][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.013144][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.013144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.013144][   T10] 
[ 7611.014678][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7611.014678][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7611.014678][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7611.014678][   T10]      ipv6_find_idev+0x102/0x170
[ 7611.014678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7611.014678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.014678][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.014678][   T10]      netlink_unicast+0x449/0x710
[ 7611.014678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.014678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.014678][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.014678][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.014678][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.014678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.014678][   T10] 
[ 7611.016352][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7611.016591][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7611.016591][   T10]      netdev_get_by_index+0x5e/0x80
[ 7611.016591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7611.016591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7611.016591][   T10]      ip6_route_add+0x1c/0x140
[ 7611.016591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7611.016591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7611.016591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7611.016591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.016591][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.016591][   T10]      netlink_unicast+0x449/0x710
[ 7611.016591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.016591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.016591][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.016591][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.016591][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.016591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.016591][   T10] 
[ 7611.018580][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7611.018580][   T10]      netdev_get_by_index+0x5e/0x80
[ 7611.018580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7611.018580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7611.018580][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7611.018580][   T10]      ipv6_add_addr+0x411/0x2000
[ 7611.018580][   T10]      inet6_addr_add+0x30e/0xa40
[ 7611.018580][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7611.018580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.018580][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.018580][   T10]      netlink_unicast+0x449/0x710
[ 7611.018580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.018580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.018580][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.018580][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.018580][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.018580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.018580][   T10] 
[ 7611.020609][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7611.020609][   T10]      netdev_get_by_index+0x5e/0x80
[ 7611.020609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7611.020609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7611.020609][   T10]      ip6_route_add+0x1c/0x140
[ 7611.020609][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7611.020609][   T10]      addrconf_add_dev+0xe2/0x170
[ 7611.020609][   T10]      inet6_addr_add+0x12f/0xa40
[ 7611.020609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7611.020609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.020609][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.020609][   T10]      netlink_unicast+0x449/0x710
[ 7611.020609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.020609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.020609][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.020609][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.020609][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.020609][   T10] 
[ 7611.022586][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7611.022586][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7611.022586][   T10]      ipv6_find_idev+0x102/0x170
[ 7611.022586][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7611.022586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.022586][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.022586][   T10]      netlink_unicast+0x449/0x710
[ 7611.022586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.022586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.022586][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.022586][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.022586][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.022586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.022586][   T10] 
[ 7611.024384][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7611.024384][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7611.024384][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7611.024384][   T10]      ipv6_find_idev+0x102/0x170
[ 7611.024384][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7611.024384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7611.024384][   T10]      netlink_rcv_skb+0x130/0x360
[ 7611.024384][   T10]      netlink_unicast+0x449/0x710
[ 7611.024384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7611.024384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7611.024384][   T10]      ___sys_sendmsg+0xee/0x170
[ 7611.024384][   T10]      __sys_sendmsg+0xcd/0x170
[ 7611.024384][   T10]      do_syscall_64+0xc6/0x1e0
[ 7611.024384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7611.024384][   T10] 
[ 7613.442897][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7613.443399][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7613.443399][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7613.443399][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7613.443399][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7613.443399][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7613.443399][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7613.443399][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7613.443399][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7613.443399][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7613.443399][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7613.443399][ T1078]      netlink_unicast+0x449/0x710
[ 7613.443399][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7613.443399][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7613.443399][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7613.443399][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7613.443399][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7613.443399][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7613.443399][ T1078] 
[ 7613.445694][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7613.445694][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7613.445694][ T1078]      ipv6_find_idev+0x102/0x170
[ 7613.445694][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7613.445694][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7613.445694][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7613.445694][ T1078]      netlink_unicast+0x449/0x710
[ 7613.445694][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7613.445694][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7613.445694][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7613.445694][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7613.445694][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7613.445694][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7613.445694][ T1078] 
[ 7613.447444][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7613.447444][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7613.447444][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7613.447444][ T1078]      ipv6_find_idev+0x102/0x170
[ 7613.447444][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7613.447444][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7613.447444][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7613.447444][ T1078]      netlink_unicast+0x449/0x710
[ 7613.447444][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7613.447444][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7613.447444][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7613.447444][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7613.447444][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7613.447444][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7613.447444][ T1078] 
[ 7619.882888][   T42] INFO: task modprobe:1347 blocked for more than 245 seconds.
[ 7619.883151][   T42]       Not tainted 6.8.0-virtme #1
[ 7619.883269][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 7619.883469][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 7619.883746][   T42] Call Trace:
[ 7619.883844][   T42]  <TASK>
[ 7619.883914][   T42]  __schedule+0x705/0x1ac0
[ 7619.884047][   T42]  ? __pfx___schedule+0x10/0x10
[ 7619.884169][   T42]  ? schedule+0x1a5/0x210
[ 7619.884272][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7619.884401][   T42]  ? mark_lock+0x38/0x3e0
[ 7619.884494][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 7619.884621][   T42]  ? schedule+0x1a5/0x210
[ 7619.884761][   T42]  schedule+0xdf/0x210
[ 7619.884859][   T42]  schedule_preempt_disabled+0x15/0x30
[ 7619.884981][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 7619.885112][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 7619.885267][   T42]  ? kasan_save_stack+0x34/0x50
[ 7619.885393][   T42]  ? kasan_save_stack+0x24/0x50
[ 7619.885517][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7619.885648][   T42]  ? lock_acquire+0x1c1/0x220
[ 7619.885779][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 7619.885919][   T42]  down_write+0x1c9/0x200
[ 7619.886014][   T42]  ? __pfx_down_write+0x10/0x10
[ 7619.886136][   T42]  ? __pfx___lock_release+0x10/0x10
[ 7619.886266][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 7619.886472][   T42]  register_pernet_subsys+0x1a/0x50
[ 7619.886598][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 7619.886789][   T42]  do_one_initcall+0xc8/0x3f0
[ 7619.886915][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 7619.887043][   T42]  ? __create_object+0x5e/0xb0
[ 7619.887172][   T42]  ? kasan_unpoison+0x27/0x60
[ 7619.887303][   T42]  do_init_module+0x233/0x740
[ 7619.887438][   T42]  load_module+0x16b5/0x2350
[ 7619.887578][   T42]  ? __pfx_load_module+0x10/0x10
[ 7619.887723][   T42]  ? kernel_read_file+0x3d2/0x520
[ 7619.887852][   T42]  ? kernel_read_file+0x300/0x520
[ 7619.887978][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 7619.888108][   T42]  ? init_module_from_file+0xd2/0x130
[ 7619.888232][   T42]  init_module_from_file+0xd2/0x130
[ 7619.888355][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 7619.888523][   T42]  ? __lock_release+0x103/0x460
[ 7619.888645][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7619.888789][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7619.888912][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 7619.889038][   T42]  idempotent_init_module+0x342/0x620
[ 7619.889166][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 7619.889352][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 7619.889479][   T42]  do_syscall_64+0xc6/0x1e0
[ 7619.889606][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7619.889770][   T42] RIP: 0033:0x7f688a3aae5d
[ 7619.889900][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 7619.890086][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 7619.890267][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 7619.890452][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 7619.890631][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 7619.890820][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 7619.891016][   T42]  </TASK>
[ 7619.891108][   T42] 
[ 7619.891108][   T42] Showing all locks held in the system:
[ 7619.891282][   T42] 3 locks held by kworker/u16:0/10:
[ 7619.891403][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7619.891656][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7619.891890][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 7619.892110][   T42] 1 lock held by khungtaskd/42:
[ 7619.892227][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 7619.892449][   T42] 2 locks held by kworker/u19:1/60:
[ 7619.892567][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7619.892817][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7619.893093][   T42] 1 lock held by modprobe/1347:
[ 7619.893215][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 7619.893457][   T42] 
[ 7619.893519][   T42] =============================================
[ 7619.893519][   T42] 
[ 7621.274867][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7621.275246][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7621.275246][   T10]      netdev_get_by_index+0x5e/0x80
[ 7621.275246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7621.275246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7621.275246][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7621.275246][   T10]      ipv6_add_addr+0x411/0x2000
[ 7621.275246][   T10]      inet6_addr_add+0x30e/0xa40
[ 7621.275246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7621.275246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.275246][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.275246][   T10]      netlink_unicast+0x449/0x710
[ 7621.275246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.275246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.275246][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.275246][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.275246][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.275246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.275246][   T10] 
[ 7621.277285][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7621.277285][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7621.277285][   T10]      ipv6_find_idev+0x102/0x170
[ 7621.277285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7621.277285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.277285][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.277285][   T10]      netlink_unicast+0x449/0x710
[ 7621.277285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.277285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.277285][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.277285][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.277285][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.277285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.277285][   T10] 
[ 7621.278847][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7621.278847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7621.278847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7621.278847][   T10]      ipv6_find_idev+0x102/0x170
[ 7621.278847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7621.278847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.278847][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.278847][   T10]      netlink_unicast+0x449/0x710
[ 7621.278847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.278847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.278847][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.278847][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.278847][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.278847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.278847][   T10] 
[ 7621.280538][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7621.280791][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7621.280791][   T10]      netdev_get_by_index+0x5e/0x80
[ 7621.280791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7621.280791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7621.280791][   T10]      ip6_route_add+0x1c/0x140
[ 7621.280791][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7621.280791][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7621.280791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7621.280791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.280791][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.280791][   T10]      netlink_unicast+0x449/0x710
[ 7621.280791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.280791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.280791][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.280791][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.280791][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.280791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.280791][   T10] 
[ 7621.282781][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7621.282781][   T10]      netdev_get_by_index+0x5e/0x80
[ 7621.282781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7621.282781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7621.282781][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7621.282781][   T10]      ipv6_add_addr+0x411/0x2000
[ 7621.282781][   T10]      inet6_addr_add+0x30e/0xa40
[ 7621.282781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7621.282781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.282781][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.282781][   T10]      netlink_unicast+0x449/0x710
[ 7621.282781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.282781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.282781][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.282781][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.282781][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.282781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.282781][   T10] 
[ 7621.284768][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7621.284768][   T10]      netdev_get_by_index+0x5e/0x80
[ 7621.284768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7621.284768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7621.284768][   T10]      ip6_route_add+0x1c/0x140
[ 7621.284768][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7621.284768][   T10]      addrconf_add_dev+0xe2/0x170
[ 7621.284768][   T10]      inet6_addr_add+0x12f/0xa40
[ 7621.284768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7621.284768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.284768][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.284768][   T10]      netlink_unicast+0x449/0x710
[ 7621.284768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.284768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.284768][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.284768][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.284768][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.284768][   T10] 
[ 7621.286721][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7621.286721][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7621.286721][   T10]      ipv6_find_idev+0x102/0x170
[ 7621.286721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7621.286721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.286721][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.286721][   T10]      netlink_unicast+0x449/0x710
[ 7621.286721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.286721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.286721][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.286721][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.286721][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.286721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.286721][   T10] 
[ 7621.288254][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7621.288254][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7621.288254][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7621.288254][   T10]      ipv6_find_idev+0x102/0x170
[ 7621.288254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7621.288254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7621.288254][   T10]      netlink_rcv_skb+0x130/0x360
[ 7621.288254][   T10]      netlink_unicast+0x449/0x710
[ 7621.288254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7621.288254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7621.288254][   T10]      ___sys_sendmsg+0xee/0x170
[ 7621.288254][   T10]      __sys_sendmsg+0xcd/0x170
[ 7621.288254][   T10]      do_syscall_64+0xc6/0x1e0
[ 7621.288254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7621.288254][   T10] 
[ 7623.690801][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7623.691248][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7623.691248][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7623.691248][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7623.691248][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7623.691248][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7623.691248][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7623.691248][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7623.691248][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7623.691248][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7623.691248][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7623.691248][ T1078]      netlink_unicast+0x449/0x710
[ 7623.691248][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7623.691248][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7623.691248][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7623.691248][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7623.691248][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7623.691248][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7623.691248][ T1078] 
[ 7623.693557][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7623.693557][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7623.693557][ T1078]      ipv6_find_idev+0x102/0x170
[ 7623.693557][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7623.693557][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7623.693557][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7623.693557][ T1078]      netlink_unicast+0x449/0x710
[ 7623.693557][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7623.693557][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7623.693557][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7623.693557][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7623.693557][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7623.693557][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7623.693557][ T1078] 
[ 7623.695340][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7623.695340][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7623.695340][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7623.695340][ T1078]      ipv6_find_idev+0x102/0x170
[ 7623.695340][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7623.695340][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7623.695340][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7623.695340][ T1078]      netlink_unicast+0x449/0x710
[ 7623.695340][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7623.695340][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7623.695340][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7623.695340][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7623.695340][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7623.695340][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7623.695340][ T1078] 
[ 7631.530793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7631.531131][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7631.531131][   T10]      netdev_get_by_index+0x5e/0x80
[ 7631.531131][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7631.531131][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7631.531131][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7631.531131][   T10]      ipv6_add_addr+0x411/0x2000
[ 7631.531131][   T10]      inet6_addr_add+0x30e/0xa40
[ 7631.531131][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7631.531131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.531131][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.531131][   T10]      netlink_unicast+0x449/0x710
[ 7631.531131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.531131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.531131][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.531131][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.531131][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.531131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.531131][   T10] 
[ 7631.533142][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7631.533142][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7631.533142][   T10]      ipv6_find_idev+0x102/0x170
[ 7631.533142][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7631.533142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.533142][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.533142][   T10]      netlink_unicast+0x449/0x710
[ 7631.533142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.533142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.533142][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.533142][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.533142][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.533142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.533142][   T10] 
[ 7631.534678][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7631.534678][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7631.534678][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7631.534678][   T10]      ipv6_find_idev+0x102/0x170
[ 7631.534678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7631.534678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.534678][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.534678][   T10]      netlink_unicast+0x449/0x710
[ 7631.534678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.534678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.534678][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.534678][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.534678][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.534678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.534678][   T10] 
[ 7631.536353][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7631.536600][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7631.536600][   T10]      netdev_get_by_index+0x5e/0x80
[ 7631.536600][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7631.536600][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7631.536600][   T10]      ip6_route_add+0x1c/0x140
[ 7631.536600][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7631.536600][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7631.536600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7631.536600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.536600][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.536600][   T10]      netlink_unicast+0x449/0x710
[ 7631.536600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.536600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.536600][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.536600][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.536600][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.536600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.536600][   T10] 
[ 7631.538604][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7631.538604][   T10]      netdev_get_by_index+0x5e/0x80
[ 7631.538604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7631.538604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7631.538604][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7631.538604][   T10]      ipv6_add_addr+0x411/0x2000
[ 7631.538604][   T10]      inet6_addr_add+0x30e/0xa40
[ 7631.538604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7631.538604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.538604][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.538604][   T10]      netlink_unicast+0x449/0x710
[ 7631.538604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.538604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.538604][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.538604][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.538604][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.538604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.538604][   T10] 
[ 7631.540592][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7631.540592][   T10]      netdev_get_by_index+0x5e/0x80
[ 7631.540592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7631.540592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7631.540592][   T10]      ip6_route_add+0x1c/0x140
[ 7631.540592][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7631.540592][   T10]      addrconf_add_dev+0xe2/0x170
[ 7631.540592][   T10]      inet6_addr_add+0x12f/0xa40
[ 7631.540592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7631.540592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.540592][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.540592][   T10]      netlink_unicast+0x449/0x710
[ 7631.540592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.540592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.540592][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.540592][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.540592][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.540592][   T10] 
[ 7631.542555][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7631.542555][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7631.542555][   T10]      ipv6_find_idev+0x102/0x170
[ 7631.542555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7631.542555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.542555][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.542555][   T10]      netlink_unicast+0x449/0x710
[ 7631.542555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.542555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.542555][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.542555][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.542555][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.542555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.542555][   T10] 
[ 7631.544103][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7631.544103][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7631.544103][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7631.544103][   T10]      ipv6_find_idev+0x102/0x170
[ 7631.544103][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7631.544103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7631.544103][   T10]      netlink_rcv_skb+0x130/0x360
[ 7631.544103][   T10]      netlink_unicast+0x449/0x710
[ 7631.544103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7631.544103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7631.544103][   T10]      ___sys_sendmsg+0xee/0x170
[ 7631.544103][   T10]      __sys_sendmsg+0xcd/0x170
[ 7631.544103][   T10]      do_syscall_64+0xc6/0x1e0
[ 7631.544103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7631.544103][   T10] 
[ 7633.938786][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7633.939219][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7633.939219][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7633.939219][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7633.939219][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7633.939219][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7633.939219][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7633.939219][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7633.939219][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7633.939219][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7633.939219][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7633.939219][ T1078]      netlink_unicast+0x449/0x710
[ 7633.939219][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7633.939219][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7633.939219][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7633.939219][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7633.939219][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7633.939219][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7633.939219][ T1078] 
[ 7633.941556][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7633.941556][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7633.941556][ T1078]      ipv6_find_idev+0x102/0x170
[ 7633.941556][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7633.941556][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7633.941556][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7633.941556][ T1078]      netlink_unicast+0x449/0x710
[ 7633.941556][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7633.941556][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7633.941556][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7633.941556][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7633.941556][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7633.941556][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7633.941556][ T1078] 
[ 7633.943317][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7633.943317][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7633.943317][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7633.943317][ T1078]      ipv6_find_idev+0x102/0x170
[ 7633.943317][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7633.943317][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7633.943317][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7633.943317][ T1078]      netlink_unicast+0x449/0x710
[ 7633.943317][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7633.943317][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7633.943317][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7633.943317][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7633.943317][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7633.943317][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7633.943317][ T1078] 
[ 7641.786804][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7641.787216][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7641.787216][   T10]      netdev_get_by_index+0x5e/0x80
[ 7641.787216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7641.787216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7641.787216][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7641.787216][   T10]      ipv6_add_addr+0x411/0x2000
[ 7641.787216][   T10]      inet6_addr_add+0x30e/0xa40
[ 7641.787216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7641.787216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.787216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.787216][   T10]      netlink_unicast+0x449/0x710
[ 7641.787216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.787216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.787216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.787216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.787216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.787216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.787216][   T10] 
[ 7641.789232][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7641.789232][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7641.789232][   T10]      ipv6_find_idev+0x102/0x170
[ 7641.789232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7641.789232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.789232][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.789232][   T10]      netlink_unicast+0x449/0x710
[ 7641.789232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.789232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.789232][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.789232][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.789232][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.789232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.789232][   T10] 
[ 7641.790771][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7641.790771][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7641.790771][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7641.790771][   T10]      ipv6_find_idev+0x102/0x170
[ 7641.790771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7641.790771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.790771][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.790771][   T10]      netlink_unicast+0x449/0x710
[ 7641.790771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.790771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.790771][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.790771][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.790771][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.790771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.790771][   T10] 
[ 7641.792448][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7641.792692][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7641.792692][   T10]      netdev_get_by_index+0x5e/0x80
[ 7641.792692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7641.792692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7641.792692][   T10]      ip6_route_add+0x1c/0x140
[ 7641.792692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7641.792692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7641.792692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7641.792692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.792692][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.792692][   T10]      netlink_unicast+0x449/0x710
[ 7641.792692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.792692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.792692][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.792692][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.792692][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.792692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.792692][   T10] 
[ 7641.794677][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7641.794677][   T10]      netdev_get_by_index+0x5e/0x80
[ 7641.794677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7641.794677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7641.794677][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7641.794677][   T10]      ipv6_add_addr+0x411/0x2000
[ 7641.794677][   T10]      inet6_addr_add+0x30e/0xa40
[ 7641.794677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7641.794677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.794677][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.794677][   T10]      netlink_unicast+0x449/0x710
[ 7641.794677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.794677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.794677][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.794677][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.794677][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.794677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.794677][   T10] 
[ 7641.796922][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7641.796922][   T10]      netdev_get_by_index+0x5e/0x80
[ 7641.796922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7641.796922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7641.796922][   T10]      ip6_route_add+0x1c/0x140
[ 7641.796922][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7641.796922][   T10]      addrconf_add_dev+0xe2/0x170
[ 7641.796922][   T10]      inet6_addr_add+0x12f/0xa40
[ 7641.796922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7641.796922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.796922][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.796922][   T10]      netlink_unicast+0x449/0x710
[ 7641.796922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.796922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.796922][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.796922][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.796922][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.796922][   T10] 
[ 7641.798893][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7641.798893][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7641.798893][   T10]      ipv6_find_idev+0x102/0x170
[ 7641.798893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7641.798893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.798893][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.798893][   T10]      netlink_unicast+0x449/0x710
[ 7641.798893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.798893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.798893][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.798893][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.798893][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.798893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.798893][   T10] 
[ 7641.800442][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7641.800442][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7641.800442][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7641.800442][   T10]      ipv6_find_idev+0x102/0x170
[ 7641.800442][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7641.800442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7641.800442][   T10]      netlink_rcv_skb+0x130/0x360
[ 7641.800442][   T10]      netlink_unicast+0x449/0x710
[ 7641.800442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7641.800442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7641.800442][   T10]      ___sys_sendmsg+0xee/0x170
[ 7641.800442][   T10]      __sys_sendmsg+0xcd/0x170
[ 7641.800442][   T10]      do_syscall_64+0xc6/0x1e0
[ 7641.800442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7641.800442][   T10] 
[ 7644.186789][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7644.187296][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7644.187296][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7644.187296][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7644.187296][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7644.187296][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7644.187296][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7644.187296][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7644.187296][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7644.187296][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7644.187296][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7644.187296][ T1078]      netlink_unicast+0x449/0x710
[ 7644.187296][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7644.187296][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7644.187296][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7644.187296][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7644.187296][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7644.187296][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7644.187296][ T1078] 
[ 7644.189592][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7644.189592][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7644.189592][ T1078]      ipv6_find_idev+0x102/0x170
[ 7644.189592][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7644.189592][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7644.189592][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7644.189592][ T1078]      netlink_unicast+0x449/0x710
[ 7644.189592][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7644.189592][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7644.189592][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7644.189592][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7644.189592][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7644.189592][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7644.189592][ T1078] 
[ 7644.191343][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7644.191343][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7644.191343][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7644.191343][ T1078]      ipv6_find_idev+0x102/0x170
[ 7644.191343][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7644.191343][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7644.191343][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7644.191343][ T1078]      netlink_unicast+0x449/0x710
[ 7644.191343][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7644.191343][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7644.191343][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7644.191343][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7644.191343][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7644.191343][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7644.191343][ T1078] 
[ 7652.042874][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7652.043215][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7652.043215][   T10]      netdev_get_by_index+0x5e/0x80
[ 7652.043215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7652.043215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7652.043215][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7652.043215][   T10]      ipv6_add_addr+0x411/0x2000
[ 7652.043215][   T10]      inet6_addr_add+0x30e/0xa40
[ 7652.043215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7652.043215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.043215][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.043215][   T10]      netlink_unicast+0x449/0x710
[ 7652.043215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.043215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.043215][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.043215][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.043215][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.043215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.043215][   T10] 
[ 7652.045253][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7652.045253][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7652.045253][   T10]      ipv6_find_idev+0x102/0x170
[ 7652.045253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7652.045253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.045253][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.045253][   T10]      netlink_unicast+0x449/0x710
[ 7652.045253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.045253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.045253][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.045253][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.045253][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.045253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.045253][   T10] 
[ 7652.046812][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7652.046812][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7652.046812][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7652.046812][   T10]      ipv6_find_idev+0x102/0x170
[ 7652.046812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7652.046812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.046812][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.046812][   T10]      netlink_unicast+0x449/0x710
[ 7652.046812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.046812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.046812][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.046812][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.046812][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.046812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.046812][   T10] 
[ 7652.048526][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7652.048778][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7652.048778][   T10]      netdev_get_by_index+0x5e/0x80
[ 7652.048778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7652.048778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7652.048778][   T10]      ip6_route_add+0x1c/0x140
[ 7652.048778][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7652.048778][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7652.048778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7652.048778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.048778][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.048778][   T10]      netlink_unicast+0x449/0x710
[ 7652.048778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.048778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.048778][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.048778][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.048778][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.048778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.048778][   T10] 
[ 7652.050784][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7652.050784][   T10]      netdev_get_by_index+0x5e/0x80
[ 7652.050784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7652.050784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7652.050784][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7652.050784][   T10]      ipv6_add_addr+0x411/0x2000
[ 7652.050784][   T10]      inet6_addr_add+0x30e/0xa40
[ 7652.050784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7652.050784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.050784][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.050784][   T10]      netlink_unicast+0x449/0x710
[ 7652.050784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.050784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.050784][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.050784][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.050784][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.050784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.050784][   T10] 
[ 7652.052790][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7652.052790][   T10]      netdev_get_by_index+0x5e/0x80
[ 7652.052790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7652.052790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7652.052790][   T10]      ip6_route_add+0x1c/0x140
[ 7652.052790][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7652.052790][   T10]      addrconf_add_dev+0xe2/0x170
[ 7652.052790][   T10]      inet6_addr_add+0x12f/0xa40
[ 7652.052790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7652.052790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.052790][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.052790][   T10]      netlink_unicast+0x449/0x710
[ 7652.052790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.052790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.052790][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.052790][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.052790][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.052790][   T10] 
[ 7652.054752][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7652.054752][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7652.054752][   T10]      ipv6_find_idev+0x102/0x170
[ 7652.054752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7652.054752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.054752][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.054752][   T10]      netlink_unicast+0x449/0x710
[ 7652.054752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.054752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.054752][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.054752][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.054752][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.054752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.054752][   T10] 
[ 7652.056289][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7652.056289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7652.056289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7652.056289][   T10]      ipv6_find_idev+0x102/0x170
[ 7652.056289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7652.056289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7652.056289][   T10]      netlink_rcv_skb+0x130/0x360
[ 7652.056289][   T10]      netlink_unicast+0x449/0x710
[ 7652.056289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7652.056289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7652.056289][   T10]      ___sys_sendmsg+0xee/0x170
[ 7652.056289][   T10]      __sys_sendmsg+0xcd/0x170
[ 7652.056289][   T10]      do_syscall_64+0xc6/0x1e0
[ 7652.056289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7652.056289][   T10] 
[ 7654.434819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7654.435329][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7654.435329][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7654.435329][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7654.435329][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7654.435329][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7654.435329][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7654.435329][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7654.435329][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7654.435329][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7654.435329][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7654.435329][ T1078]      netlink_unicast+0x449/0x710
[ 7654.435329][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7654.435329][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7654.435329][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7654.435329][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7654.435329][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7654.435329][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7654.435329][ T1078] 
[ 7654.437621][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7654.437621][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7654.437621][ T1078]      ipv6_find_idev+0x102/0x170
[ 7654.437621][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7654.437621][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7654.437621][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7654.437621][ T1078]      netlink_unicast+0x449/0x710
[ 7654.437621][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7654.437621][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7654.437621][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7654.437621][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7654.437621][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7654.437621][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7654.437621][ T1078] 
[ 7654.439383][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7654.439383][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7654.439383][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7654.439383][ T1078]      ipv6_find_idev+0x102/0x170
[ 7654.439383][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7654.439383][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7654.439383][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7654.439383][ T1078]      netlink_unicast+0x449/0x710
[ 7654.439383][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7654.439383][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7654.439383][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7654.439383][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7654.439383][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7654.439383][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7654.439383][ T1078] 
[ 7662.298820][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7662.299160][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7662.299160][   T10]      netdev_get_by_index+0x5e/0x80
[ 7662.299160][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7662.299160][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7662.299160][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7662.299160][   T10]      ipv6_add_addr+0x411/0x2000
[ 7662.299160][   T10]      inet6_addr_add+0x30e/0xa40
[ 7662.299160][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7662.299160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.299160][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.299160][   T10]      netlink_unicast+0x449/0x710
[ 7662.299160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.299160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.299160][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.299160][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.299160][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.299160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.299160][   T10] 
[ 7662.301167][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7662.301167][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7662.301167][   T10]      ipv6_find_idev+0x102/0x170
[ 7662.301167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7662.301167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.301167][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.301167][   T10]      netlink_unicast+0x449/0x710
[ 7662.301167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.301167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.301167][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.301167][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.301167][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.301167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.301167][   T10] 
[ 7662.302710][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7662.302710][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7662.302710][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7662.302710][   T10]      ipv6_find_idev+0x102/0x170
[ 7662.302710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7662.302710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.302710][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.302710][   T10]      netlink_unicast+0x449/0x710
[ 7662.302710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.302710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.302710][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.302710][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.302710][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.302710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.302710][   T10] 
[ 7662.304399][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7662.304638][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7662.304638][   T10]      netdev_get_by_index+0x5e/0x80
[ 7662.304638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7662.304638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7662.304638][   T10]      ip6_route_add+0x1c/0x140
[ 7662.304638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7662.304638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7662.304638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7662.304638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.304638][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.304638][   T10]      netlink_unicast+0x449/0x710
[ 7662.304638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.304638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.304638][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.304638][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.304638][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.304638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.304638][   T10] 
[ 7662.306634][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7662.306634][   T10]      netdev_get_by_index+0x5e/0x80
[ 7662.306634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7662.306634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7662.306634][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7662.306634][   T10]      ipv6_add_addr+0x411/0x2000
[ 7662.306634][   T10]      inet6_addr_add+0x30e/0xa40
[ 7662.306634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7662.306634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.306634][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.306634][   T10]      netlink_unicast+0x449/0x710
[ 7662.306634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.306634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.306634][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.306634][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.306634][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.306634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.306634][   T10] 
[ 7662.308628][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7662.308628][   T10]      netdev_get_by_index+0x5e/0x80
[ 7662.308628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7662.308628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7662.308628][   T10]      ip6_route_add+0x1c/0x140
[ 7662.308628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7662.308628][   T10]      addrconf_add_dev+0xe2/0x170
[ 7662.308628][   T10]      inet6_addr_add+0x12f/0xa40
[ 7662.308628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7662.308628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.308628][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.308628][   T10]      netlink_unicast+0x449/0x710
[ 7662.308628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.308628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.308628][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.308628][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.308628][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.308628][   T10] 
[ 7662.310584][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7662.310584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7662.310584][   T10]      ipv6_find_idev+0x102/0x170
[ 7662.310584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7662.310584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.310584][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.310584][   T10]      netlink_unicast+0x449/0x710
[ 7662.310584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.310584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.310584][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.310584][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.310584][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.310584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.310584][   T10] 
[ 7662.312123][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7662.312123][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7662.312123][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7662.312123][   T10]      ipv6_find_idev+0x102/0x170
[ 7662.312123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7662.312123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7662.312123][   T10]      netlink_rcv_skb+0x130/0x360
[ 7662.312123][   T10]      netlink_unicast+0x449/0x710
[ 7662.312123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7662.312123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7662.312123][   T10]      ___sys_sendmsg+0xee/0x170
[ 7662.312123][   T10]      __sys_sendmsg+0xcd/0x170
[ 7662.312123][   T10]      do_syscall_64+0xc6/0x1e0
[ 7662.312123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7662.312123][   T10] 
[ 7664.682798][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7664.683300][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7664.683300][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7664.683300][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7664.683300][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7664.683300][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7664.683300][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7664.683300][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7664.683300][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7664.683300][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7664.683300][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7664.683300][ T1078]      netlink_unicast+0x449/0x710
[ 7664.683300][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7664.683300][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7664.683300][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7664.683300][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7664.683300][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7664.683300][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7664.683300][ T1078] 
[ 7664.685589][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7664.685589][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7664.685589][ T1078]      ipv6_find_idev+0x102/0x170
[ 7664.685589][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7664.685589][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7664.685589][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7664.685589][ T1078]      netlink_unicast+0x449/0x710
[ 7664.685589][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7664.685589][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7664.685589][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7664.685589][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7664.685589][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7664.685589][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7664.685589][ T1078] 
[ 7664.687348][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7664.687348][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7664.687348][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7664.687348][ T1078]      ipv6_find_idev+0x102/0x170
[ 7664.687348][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7664.687348][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7664.687348][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7664.687348][ T1078]      netlink_unicast+0x449/0x710
[ 7664.687348][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7664.687348][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7664.687348][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7664.687348][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7664.687348][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7664.687348][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7664.687348][ T1078] 
[ 7672.554798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7672.555145][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7672.555145][   T10]      netdev_get_by_index+0x5e/0x80
[ 7672.555145][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7672.555145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7672.555145][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7672.555145][   T10]      ipv6_add_addr+0x411/0x2000
[ 7672.555145][   T10]      inet6_addr_add+0x30e/0xa40
[ 7672.555145][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7672.555145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.555145][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.555145][   T10]      netlink_unicast+0x449/0x710
[ 7672.555145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.555145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.555145][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.555145][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.555145][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.555145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.555145][   T10] 
[ 7672.557149][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7672.557149][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7672.557149][   T10]      ipv6_find_idev+0x102/0x170
[ 7672.557149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7672.557149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.557149][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.557149][   T10]      netlink_unicast+0x449/0x710
[ 7672.557149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.557149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.557149][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.557149][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.557149][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.557149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.557149][   T10] 
[ 7672.558695][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7672.558695][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7672.558695][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7672.558695][   T10]      ipv6_find_idev+0x102/0x170
[ 7672.558695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7672.558695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.558695][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.558695][   T10]      netlink_unicast+0x449/0x710
[ 7672.558695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.558695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.558695][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.558695][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.558695][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.558695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.558695][   T10] 
[ 7672.560375][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7672.560631][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7672.560631][   T10]      netdev_get_by_index+0x5e/0x80
[ 7672.560631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7672.560631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7672.560631][   T10]      ip6_route_add+0x1c/0x140
[ 7672.560631][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7672.560631][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7672.560631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7672.560631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.560631][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.560631][   T10]      netlink_unicast+0x449/0x710
[ 7672.560631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.560631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.560631][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.560631][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.560631][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.560631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.560631][   T10] 
[ 7672.562616][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7672.562616][   T10]      netdev_get_by_index+0x5e/0x80
[ 7672.562616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7672.562616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7672.562616][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7672.562616][   T10]      ipv6_add_addr+0x411/0x2000
[ 7672.562616][   T10]      inet6_addr_add+0x30e/0xa40
[ 7672.562616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7672.562616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.562616][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.562616][   T10]      netlink_unicast+0x449/0x710
[ 7672.562616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.562616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.562616][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.562616][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.562616][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.562616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.562616][   T10] 
[ 7672.564609][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7672.564609][   T10]      netdev_get_by_index+0x5e/0x80
[ 7672.564609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7672.564609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7672.564609][   T10]      ip6_route_add+0x1c/0x140
[ 7672.564609][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7672.564609][   T10]      addrconf_add_dev+0xe2/0x170
[ 7672.564609][   T10]      inet6_addr_add+0x12f/0xa40
[ 7672.564609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7672.564609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.564609][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.564609][   T10]      netlink_unicast+0x449/0x710
[ 7672.564609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.564609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.564609][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.564609][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.564609][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.564609][   T10] 
[ 7672.566565][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7672.566565][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7672.566565][   T10]      ipv6_find_idev+0x102/0x170
[ 7672.566565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7672.566565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.566565][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.566565][   T10]      netlink_unicast+0x449/0x710
[ 7672.566565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.566565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.566565][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.566565][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.566565][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.566565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.566565][   T10] 
[ 7672.568099][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7672.568099][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7672.568099][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7672.568099][   T10]      ipv6_find_idev+0x102/0x170
[ 7672.568099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7672.568099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7672.568099][   T10]      netlink_rcv_skb+0x130/0x360
[ 7672.568099][   T10]      netlink_unicast+0x449/0x710
[ 7672.568099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7672.568099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7672.568099][   T10]      ___sys_sendmsg+0xee/0x170
[ 7672.568099][   T10]      __sys_sendmsg+0xcd/0x170
[ 7672.568099][   T10]      do_syscall_64+0xc6/0x1e0
[ 7672.568099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7672.568099][   T10] 
[ 7674.930868][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7674.931372][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7674.931372][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7674.931372][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7674.931372][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7674.931372][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7674.931372][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7674.931372][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7674.931372][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7674.931372][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7674.931372][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7674.931372][ T1078]      netlink_unicast+0x449/0x710
[ 7674.931372][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7674.931372][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7674.931372][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7674.931372][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7674.931372][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7674.931372][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7674.931372][ T1078] 
[ 7674.933695][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7674.933695][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7674.933695][ T1078]      ipv6_find_idev+0x102/0x170
[ 7674.933695][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7674.933695][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7674.933695][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7674.933695][ T1078]      netlink_unicast+0x449/0x710
[ 7674.933695][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7674.933695][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7674.933695][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7674.933695][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7674.933695][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7674.933695][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7674.933695][ T1078] 
[ 7674.935464][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7674.935464][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7674.935464][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7674.935464][ T1078]      ipv6_find_idev+0x102/0x170
[ 7674.935464][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7674.935464][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7674.935464][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7674.935464][ T1078]      netlink_unicast+0x449/0x710
[ 7674.935464][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7674.935464][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7674.935464][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7674.935464][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7674.935464][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7674.935464][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7674.935464][ T1078] 
[ 7682.810795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7682.811217][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7682.811217][   T10]      netdev_get_by_index+0x5e/0x80
[ 7682.811217][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7682.811217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7682.811217][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7682.811217][   T10]      ipv6_add_addr+0x411/0x2000
[ 7682.811217][   T10]      inet6_addr_add+0x30e/0xa40
[ 7682.811217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7682.811217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.811217][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.811217][   T10]      netlink_unicast+0x449/0x710
[ 7682.811217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.811217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.811217][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.811217][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.811217][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.811217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.811217][   T10] 
[ 7682.813232][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7682.813232][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7682.813232][   T10]      ipv6_find_idev+0x102/0x170
[ 7682.813232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7682.813232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.813232][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.813232][   T10]      netlink_unicast+0x449/0x710
[ 7682.813232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.813232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.813232][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.813232][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.813232][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.813232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.813232][   T10] 
[ 7682.814776][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7682.814776][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7682.814776][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7682.814776][   T10]      ipv6_find_idev+0x102/0x170
[ 7682.814776][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7682.814776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.814776][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.814776][   T10]      netlink_unicast+0x449/0x710
[ 7682.814776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.814776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.814776][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.814776][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.814776][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.814776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.814776][   T10] 
[ 7682.816465][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7682.816705][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7682.816705][   T10]      netdev_get_by_index+0x5e/0x80
[ 7682.816705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7682.816705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7682.816705][   T10]      ip6_route_add+0x1c/0x140
[ 7682.816705][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7682.816705][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7682.816705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7682.816705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.816705][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.816705][   T10]      netlink_unicast+0x449/0x710
[ 7682.816705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.816705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.816705][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.816705][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.816705][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.816705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.816705][   T10] 
[ 7682.818720][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7682.818720][   T10]      netdev_get_by_index+0x5e/0x80
[ 7682.818720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7682.818720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7682.818720][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7682.818720][   T10]      ipv6_add_addr+0x411/0x2000
[ 7682.818720][   T10]      inet6_addr_add+0x30e/0xa40
[ 7682.818720][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7682.818720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.818720][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.818720][   T10]      netlink_unicast+0x449/0x710
[ 7682.818720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.818720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.818720][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.818720][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.818720][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.818720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.818720][   T10] 
[ 7682.820719][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7682.820719][   T10]      netdev_get_by_index+0x5e/0x80
[ 7682.820719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7682.820719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7682.820719][   T10]      ip6_route_add+0x1c/0x140
[ 7682.820719][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7682.820719][   T10]      addrconf_add_dev+0xe2/0x170
[ 7682.820719][   T10]      inet6_addr_add+0x12f/0xa40
[ 7682.820719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7682.820719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.820719][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.820719][   T10]      netlink_unicast+0x449/0x710
[ 7682.820719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.820719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.820719][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.820719][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.820719][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.820719][   T10] 
[ 7682.822679][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7682.822679][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7682.822679][   T10]      ipv6_find_idev+0x102/0x170
[ 7682.822679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7682.822679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.822679][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.822679][   T10]      netlink_unicast+0x449/0x710
[ 7682.822679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.822679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.822679][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.822679][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.822679][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.822679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.822679][   T10] 
[ 7682.824214][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7682.824214][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7682.824214][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7682.824214][   T10]      ipv6_find_idev+0x102/0x170
[ 7682.824214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7682.824214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7682.824214][   T10]      netlink_rcv_skb+0x130/0x360
[ 7682.824214][   T10]      netlink_unicast+0x449/0x710
[ 7682.824214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7682.824214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7682.824214][   T10]      ___sys_sendmsg+0xee/0x170
[ 7682.824214][   T10]      __sys_sendmsg+0xcd/0x170
[ 7682.824214][   T10]      do_syscall_64+0xc6/0x1e0
[ 7682.824214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7682.824214][   T10] 
[ 7685.178789][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7685.179310][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7685.179310][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7685.179310][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7685.179310][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7685.179310][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7685.179310][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7685.179310][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7685.179310][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7685.179310][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7685.179310][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7685.179310][ T1078]      netlink_unicast+0x449/0x710
[ 7685.179310][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7685.179310][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7685.179310][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7685.179310][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7685.179310][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7685.179310][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7685.179310][ T1078] 
[ 7685.181613][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7685.181613][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7685.181613][ T1078]      ipv6_find_idev+0x102/0x170
[ 7685.181613][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7685.181613][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7685.181613][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7685.181613][ T1078]      netlink_unicast+0x449/0x710
[ 7685.181613][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7685.181613][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7685.181613][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7685.181613][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7685.181613][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7685.181613][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7685.181613][ T1078] 
[ 7685.183373][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7685.183373][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7685.183373][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7685.183373][ T1078]      ipv6_find_idev+0x102/0x170
[ 7685.183373][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7685.183373][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7685.183373][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7685.183373][ T1078]      netlink_unicast+0x449/0x710
[ 7685.183373][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7685.183373][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7685.183373][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7685.183373][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7685.183373][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7685.183373][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7685.183373][ T1078] 
[ 7693.066734][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7693.067149][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7693.067149][   T10]      netdev_get_by_index+0x5e/0x80
[ 7693.067149][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7693.067149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7693.067149][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7693.067149][   T10]      ipv6_add_addr+0x411/0x2000
[ 7693.067149][   T10]      inet6_addr_add+0x30e/0xa40
[ 7693.067149][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7693.067149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.067149][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.067149][   T10]      netlink_unicast+0x449/0x710
[ 7693.067149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.067149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.067149][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.067149][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.067149][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.067149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.067149][   T10] 
[ 7693.069175][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7693.069175][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7693.069175][   T10]      ipv6_find_idev+0x102/0x170
[ 7693.069175][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7693.069175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.069175][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.069175][   T10]      netlink_unicast+0x449/0x710
[ 7693.069175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.069175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.069175][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.069175][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.069175][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.069175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.069175][   T10] 
[ 7693.070722][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7693.070722][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7693.070722][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7693.070722][   T10]      ipv6_find_idev+0x102/0x170
[ 7693.070722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7693.070722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.070722][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.070722][   T10]      netlink_unicast+0x449/0x710
[ 7693.070722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.070722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.070722][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.070722][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.070722][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.070722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.070722][   T10] 
[ 7693.072420][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7693.072659][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7693.072659][   T10]      netdev_get_by_index+0x5e/0x80
[ 7693.072659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7693.072659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7693.072659][   T10]      ip6_route_add+0x1c/0x140
[ 7693.072659][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7693.072659][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7693.072659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7693.072659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.072659][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.072659][   T10]      netlink_unicast+0x449/0x710
[ 7693.072659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.072659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.072659][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.072659][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.072659][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.072659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.072659][   T10] 
[ 7693.074663][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7693.074663][   T10]      netdev_get_by_index+0x5e/0x80
[ 7693.074663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7693.074663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7693.074663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7693.074663][   T10]      ipv6_add_addr+0x411/0x2000
[ 7693.074663][   T10]      inet6_addr_add+0x30e/0xa40
[ 7693.074663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7693.074663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.074663][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.074663][   T10]      netlink_unicast+0x449/0x710
[ 7693.074663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.074663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.074663][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.074663][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.074663][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.074663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.074663][   T10] 
[ 7693.076808][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7693.076808][   T10]      netdev_get_by_index+0x5e/0x80
[ 7693.076808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7693.076808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7693.076808][   T10]      ip6_route_add+0x1c/0x140
[ 7693.076808][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7693.076808][   T10]      addrconf_add_dev+0xe2/0x170
[ 7693.076808][   T10]      inet6_addr_add+0x12f/0xa40
[ 7693.076808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7693.076808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.076808][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.076808][   T10]      netlink_unicast+0x449/0x710
[ 7693.076808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.076808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.076808][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.076808][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.076808][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.076808][   T10] 
[ 7693.078769][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7693.078769][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7693.078769][   T10]      ipv6_find_idev+0x102/0x170
[ 7693.078769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7693.078769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.078769][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.078769][   T10]      netlink_unicast+0x449/0x710
[ 7693.078769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.078769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.078769][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.078769][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.078769][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.078769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.078769][   T10] 
[ 7693.080309][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7693.080309][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7693.080309][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7693.080309][   T10]      ipv6_find_idev+0x102/0x170
[ 7693.080309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7693.080309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7693.080309][   T10]      netlink_rcv_skb+0x130/0x360
[ 7693.080309][   T10]      netlink_unicast+0x449/0x710
[ 7693.080309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7693.080309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7693.080309][   T10]      ___sys_sendmsg+0xee/0x170
[ 7693.080309][   T10]      __sys_sendmsg+0xcd/0x170
[ 7693.080309][   T10]      do_syscall_64+0xc6/0x1e0
[ 7693.080309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7693.080309][   T10] 
[ 7695.426820][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7695.427316][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7695.427316][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7695.427316][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7695.427316][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7695.427316][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7695.427316][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7695.427316][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7695.427316][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7695.427316][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7695.427316][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7695.427316][ T1078]      netlink_unicast+0x449/0x710
[ 7695.427316][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7695.427316][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7695.427316][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7695.427316][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7695.427316][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7695.427316][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7695.427316][ T1078] 
[ 7695.429620][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7695.429620][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7695.429620][ T1078]      ipv6_find_idev+0x102/0x170
[ 7695.429620][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7695.429620][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7695.429620][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7695.429620][ T1078]      netlink_unicast+0x449/0x710
[ 7695.429620][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7695.429620][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7695.429620][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7695.429620][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7695.429620][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7695.429620][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7695.429620][ T1078] 
[ 7695.431376][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7695.431376][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7695.431376][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7695.431376][ T1078]      ipv6_find_idev+0x102/0x170
[ 7695.431376][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7695.431376][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7695.431376][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7695.431376][ T1078]      netlink_unicast+0x449/0x710
[ 7695.431376][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7695.431376][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7695.431376][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7695.431376][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7695.431376][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7695.431376][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7695.431376][ T1078] 
[ 7703.322813][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7703.323162][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7703.323162][   T10]      netdev_get_by_index+0x5e/0x80
[ 7703.323162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7703.323162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7703.323162][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7703.323162][   T10]      ipv6_add_addr+0x411/0x2000
[ 7703.323162][   T10]      inet6_addr_add+0x30e/0xa40
[ 7703.323162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7703.323162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.323162][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.323162][   T10]      netlink_unicast+0x449/0x710
[ 7703.323162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.323162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.323162][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.323162][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.323162][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.323162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.323162][   T10] 
[ 7703.325173][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7703.325173][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7703.325173][   T10]      ipv6_find_idev+0x102/0x170
[ 7703.325173][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7703.325173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.325173][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.325173][   T10]      netlink_unicast+0x449/0x710
[ 7703.325173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.325173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.325173][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.325173][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.325173][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.325173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.325173][   T10] 
[ 7703.326715][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7703.326715][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7703.326715][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7703.326715][   T10]      ipv6_find_idev+0x102/0x170
[ 7703.326715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7703.326715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.326715][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.326715][   T10]      netlink_unicast+0x449/0x710
[ 7703.326715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.326715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.326715][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.326715][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.326715][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.326715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.326715][   T10] 
[ 7703.328410][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7703.328650][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7703.328650][   T10]      netdev_get_by_index+0x5e/0x80
[ 7703.328650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7703.328650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7703.328650][   T10]      ip6_route_add+0x1c/0x140
[ 7703.328650][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7703.328650][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7703.328650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7703.328650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.328650][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.328650][   T10]      netlink_unicast+0x449/0x710
[ 7703.328650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.328650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.328650][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.328650][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.328650][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.328650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.328650][   T10] 
[ 7703.330656][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7703.330656][   T10]      netdev_get_by_index+0x5e/0x80
[ 7703.330656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7703.330656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7703.330656][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7703.330656][   T10]      ipv6_add_addr+0x411/0x2000
[ 7703.330656][   T10]      inet6_addr_add+0x30e/0xa40
[ 7703.330656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7703.330656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.330656][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.330656][   T10]      netlink_unicast+0x449/0x710
[ 7703.330656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.330656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.330656][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.330656][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.330656][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.330656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.330656][   T10] 
[ 7703.332651][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7703.332651][   T10]      netdev_get_by_index+0x5e/0x80
[ 7703.332651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7703.332651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7703.332651][   T10]      ip6_route_add+0x1c/0x140
[ 7703.332651][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7703.332651][   T10]      addrconf_add_dev+0xe2/0x170
[ 7703.332651][   T10]      inet6_addr_add+0x12f/0xa40
[ 7703.332651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7703.332651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.332651][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.332651][   T10]      netlink_unicast+0x449/0x710
[ 7703.332651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.332651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.332651][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.332651][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.332651][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.332651][   T10] 
[ 7703.334614][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7703.334614][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7703.334614][   T10]      ipv6_find_idev+0x102/0x170
[ 7703.334614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7703.334614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.334614][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.334614][   T10]      netlink_unicast+0x449/0x710
[ 7703.334614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.334614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.334614][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.334614][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.334614][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.334614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.334614][   T10] 
[ 7703.336150][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7703.336150][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7703.336150][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7703.336150][   T10]      ipv6_find_idev+0x102/0x170
[ 7703.336150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7703.336150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7703.336150][   T10]      netlink_rcv_skb+0x130/0x360
[ 7703.336150][   T10]      netlink_unicast+0x449/0x710
[ 7703.336150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7703.336150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7703.336150][   T10]      ___sys_sendmsg+0xee/0x170
[ 7703.336150][   T10]      __sys_sendmsg+0xcd/0x170
[ 7703.336150][   T10]      do_syscall_64+0xc6/0x1e0
[ 7703.336150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7703.336150][   T10] 
[ 7705.674792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7705.675279][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7705.675279][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7705.675279][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7705.675279][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7705.675279][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7705.675279][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7705.675279][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7705.675279][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7705.675279][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7705.675279][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7705.675279][ T1078]      netlink_unicast+0x449/0x710
[ 7705.675279][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7705.675279][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7705.675279][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7705.675279][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7705.675279][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7705.675279][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7705.675279][ T1078] 
[ 7705.677556][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7705.677556][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7705.677556][ T1078]      ipv6_find_idev+0x102/0x170
[ 7705.677556][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7705.677556][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7705.677556][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7705.677556][ T1078]      netlink_unicast+0x449/0x710
[ 7705.677556][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7705.677556][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7705.677556][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7705.677556][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7705.677556][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7705.677556][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7705.677556][ T1078] 
[ 7705.679307][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7705.679307][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7705.679307][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7705.679307][ T1078]      ipv6_find_idev+0x102/0x170
[ 7705.679307][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7705.679307][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7705.679307][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7705.679307][ T1078]      netlink_unicast+0x449/0x710
[ 7705.679307][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7705.679307][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7705.679307][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7705.679307][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7705.679307][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7705.679307][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7705.679307][ T1078] 
[ 7713.578799][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7713.579216][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7713.579216][   T10]      netdev_get_by_index+0x5e/0x80
[ 7713.579216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7713.579216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7713.579216][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7713.579216][   T10]      ipv6_add_addr+0x411/0x2000
[ 7713.579216][   T10]      inet6_addr_add+0x30e/0xa40
[ 7713.579216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7713.579216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.579216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.579216][   T10]      netlink_unicast+0x449/0x710
[ 7713.579216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.579216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.579216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.579216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.579216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.579216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.579216][   T10] 
[ 7713.581223][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7713.581223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7713.581223][   T10]      ipv6_find_idev+0x102/0x170
[ 7713.581223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7713.581223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.581223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.581223][   T10]      netlink_unicast+0x449/0x710
[ 7713.581223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.581223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.581223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.581223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.581223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.581223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.581223][   T10] 
[ 7713.582792][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7713.582792][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7713.582792][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7713.582792][   T10]      ipv6_find_idev+0x102/0x170
[ 7713.582792][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7713.582792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.582792][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.582792][   T10]      netlink_unicast+0x449/0x710
[ 7713.582792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.582792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.582792][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.582792][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.582792][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.582792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.582792][   T10] 
[ 7713.584480][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7713.584724][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7713.584724][   T10]      netdev_get_by_index+0x5e/0x80
[ 7713.584724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7713.584724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7713.584724][   T10]      ip6_route_add+0x1c/0x140
[ 7713.584724][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7713.584724][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7713.584724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7713.584724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.584724][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.584724][   T10]      netlink_unicast+0x449/0x710
[ 7713.584724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.584724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.584724][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.584724][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.584724][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.584724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.584724][   T10] 
[ 7713.586713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7713.586713][   T10]      netdev_get_by_index+0x5e/0x80
[ 7713.586713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7713.586713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7713.586713][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7713.586713][   T10]      ipv6_add_addr+0x411/0x2000
[ 7713.586713][   T10]      inet6_addr_add+0x30e/0xa40
[ 7713.586713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7713.586713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.586713][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.586713][   T10]      netlink_unicast+0x449/0x710
[ 7713.586713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.586713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.586713][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.586713][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.586713][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.586713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.586713][   T10] 
[ 7713.588713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7713.588713][   T10]      netdev_get_by_index+0x5e/0x80
[ 7713.588713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7713.588713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7713.588713][   T10]      ip6_route_add+0x1c/0x140
[ 7713.588713][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7713.588713][   T10]      addrconf_add_dev+0xe2/0x170
[ 7713.588713][   T10]      inet6_addr_add+0x12f/0xa40
[ 7713.588713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7713.588713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.588713][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.588713][   T10]      netlink_unicast+0x449/0x710
[ 7713.588713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.588713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.588713][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.588713][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.588713][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.588713][   T10] 
[ 7713.590682][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7713.590682][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7713.590682][   T10]      ipv6_find_idev+0x102/0x170
[ 7713.590682][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7713.590682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.590682][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.590682][   T10]      netlink_unicast+0x449/0x710
[ 7713.590682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.590682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.590682][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.590682][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.590682][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.590682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.590682][   T10] 
[ 7713.592212][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7713.592212][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7713.592212][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7713.592212][   T10]      ipv6_find_idev+0x102/0x170
[ 7713.592212][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7713.592212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7713.592212][   T10]      netlink_rcv_skb+0x130/0x360
[ 7713.592212][   T10]      netlink_unicast+0x449/0x710
[ 7713.592212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7713.592212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7713.592212][   T10]      ___sys_sendmsg+0xee/0x170
[ 7713.592212][   T10]      __sys_sendmsg+0xcd/0x170
[ 7713.592212][   T10]      do_syscall_64+0xc6/0x1e0
[ 7713.592212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7713.592212][   T10] 
[ 7715.922809][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7715.923225][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7715.923225][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7715.923225][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7715.923225][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7715.923225][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7715.923225][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7715.923225][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7715.923225][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7715.923225][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7715.923225][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7715.923225][ T1078]      netlink_unicast+0x449/0x710
[ 7715.923225][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7715.923225][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7715.923225][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7715.923225][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7715.923225][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7715.923225][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7715.923225][ T1078] 
[ 7715.925497][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7715.925497][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7715.925497][ T1078]      ipv6_find_idev+0x102/0x170
[ 7715.925497][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7715.925497][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7715.925497][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7715.925497][ T1078]      netlink_unicast+0x449/0x710
[ 7715.925497][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7715.925497][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7715.925497][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7715.925497][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7715.925497][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7715.925497][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7715.925497][ T1078] 
[ 7715.927254][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7715.927254][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7715.927254][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7715.927254][ T1078]      ipv6_find_idev+0x102/0x170
[ 7715.927254][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7715.927254][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7715.927254][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7715.927254][ T1078]      netlink_unicast+0x449/0x710
[ 7715.927254][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7715.927254][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7715.927254][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7715.927254][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7715.927254][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7715.927254][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7715.927254][ T1078] 
[ 7723.834800][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7723.835136][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7723.835136][   T10]      netdev_get_by_index+0x5e/0x80
[ 7723.835136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7723.835136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7723.835136][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7723.835136][   T10]      ipv6_add_addr+0x411/0x2000
[ 7723.835136][   T10]      inet6_addr_add+0x30e/0xa40
[ 7723.835136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7723.835136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.835136][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.835136][   T10]      netlink_unicast+0x449/0x710
[ 7723.835136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.835136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.835136][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.835136][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.835136][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.835136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.835136][   T10] 
[ 7723.837160][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7723.837160][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7723.837160][   T10]      ipv6_find_idev+0x102/0x170
[ 7723.837160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7723.837160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.837160][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.837160][   T10]      netlink_unicast+0x449/0x710
[ 7723.837160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.837160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.837160][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.837160][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.837160][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.837160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.837160][   T10] 
[ 7723.838703][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7723.838703][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7723.838703][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7723.838703][   T10]      ipv6_find_idev+0x102/0x170
[ 7723.838703][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7723.838703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.838703][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.838703][   T10]      netlink_unicast+0x449/0x710
[ 7723.838703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.838703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.838703][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.838703][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.838703][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.838703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.838703][   T10] 
[ 7723.840398][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7723.840637][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7723.840637][   T10]      netdev_get_by_index+0x5e/0x80
[ 7723.840637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7723.840637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7723.840637][   T10]      ip6_route_add+0x1c/0x140
[ 7723.840637][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7723.840637][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7723.840637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7723.840637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.840637][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.840637][   T10]      netlink_unicast+0x449/0x710
[ 7723.840637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.840637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.840637][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.840637][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.840637][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.840637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.840637][   T10] 
[ 7723.842645][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7723.842645][   T10]      netdev_get_by_index+0x5e/0x80
[ 7723.842645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7723.842645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7723.842645][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7723.842645][   T10]      ipv6_add_addr+0x411/0x2000
[ 7723.842645][   T10]      inet6_addr_add+0x30e/0xa40
[ 7723.842645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7723.842645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.842645][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.842645][   T10]      netlink_unicast+0x449/0x710
[ 7723.842645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.842645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.842645][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.842645][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.842645][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.842645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.842645][   T10] 
[ 7723.844891][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7723.844891][   T10]      netdev_get_by_index+0x5e/0x80
[ 7723.844891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7723.844891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7723.844891][   T10]      ip6_route_add+0x1c/0x140
[ 7723.844891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7723.844891][   T10]      addrconf_add_dev+0xe2/0x170
[ 7723.844891][   T10]      inet6_addr_add+0x12f/0xa40
[ 7723.844891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7723.844891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.844891][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.844891][   T10]      netlink_unicast+0x449/0x710
[ 7723.844891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.844891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.844891][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.844891][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.844891][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.844891][   T10] 
[ 7723.846842][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7723.846842][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7723.846842][   T10]      ipv6_find_idev+0x102/0x170
[ 7723.846842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7723.846842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.846842][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.846842][   T10]      netlink_unicast+0x449/0x710
[ 7723.846842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.846842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.846842][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.846842][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.846842][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.846842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.846842][   T10] 
[ 7723.848381][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7723.848381][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7723.848381][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7723.848381][   T10]      ipv6_find_idev+0x102/0x170
[ 7723.848381][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7723.848381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7723.848381][   T10]      netlink_rcv_skb+0x130/0x360
[ 7723.848381][   T10]      netlink_unicast+0x449/0x710
[ 7723.848381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7723.848381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7723.848381][   T10]      ___sys_sendmsg+0xee/0x170
[ 7723.848381][   T10]      __sys_sendmsg+0xcd/0x170
[ 7723.848381][   T10]      do_syscall_64+0xc6/0x1e0
[ 7723.848381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7723.848381][   T10] 
[ 7726.170801][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7726.171223][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7726.171223][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7726.171223][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7726.171223][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7726.171223][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7726.171223][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7726.171223][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7726.171223][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7726.171223][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7726.171223][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7726.171223][ T1078]      netlink_unicast+0x449/0x710
[ 7726.171223][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7726.171223][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7726.171223][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7726.171223][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7726.171223][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7726.171223][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7726.171223][ T1078] 
[ 7726.173488][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7726.173488][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7726.173488][ T1078]      ipv6_find_idev+0x102/0x170
[ 7726.173488][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7726.173488][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7726.173488][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7726.173488][ T1078]      netlink_unicast+0x449/0x710
[ 7726.173488][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7726.173488][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7726.173488][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7726.173488][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7726.173488][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7726.173488][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7726.173488][ T1078] 
[ 7726.175217][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7726.175217][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7726.175217][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7726.175217][ T1078]      ipv6_find_idev+0x102/0x170
[ 7726.175217][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7726.175217][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7726.175217][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7726.175217][ T1078]      netlink_unicast+0x449/0x710
[ 7726.175217][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7726.175217][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7726.175217][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7726.175217][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7726.175217][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7726.175217][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7726.175217][ T1078] 
[ 7734.090891][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7734.091237][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7734.091237][   T10]      netdev_get_by_index+0x5e/0x80
[ 7734.091237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7734.091237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7734.091237][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7734.091237][   T10]      ipv6_add_addr+0x411/0x2000
[ 7734.091237][   T10]      inet6_addr_add+0x30e/0xa40
[ 7734.091237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7734.091237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.091237][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.091237][   T10]      netlink_unicast+0x449/0x710
[ 7734.091237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.091237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.091237][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.091237][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.091237][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.091237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.091237][   T10] 
[ 7734.093371][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7734.093371][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7734.093371][   T10]      ipv6_find_idev+0x102/0x170
[ 7734.093371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7734.093371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.093371][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.093371][   T10]      netlink_unicast+0x449/0x710
[ 7734.093371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.093371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.093371][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.093371][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.093371][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.093371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.093371][   T10] 
[ 7734.094909][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7734.094909][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7734.094909][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7734.094909][   T10]      ipv6_find_idev+0x102/0x170
[ 7734.094909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7734.094909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.094909][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.094909][   T10]      netlink_unicast+0x449/0x710
[ 7734.094909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.094909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.094909][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.094909][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.094909][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.094909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.094909][   T10] 
[ 7734.096596][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7734.096861][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7734.096861][   T10]      netdev_get_by_index+0x5e/0x80
[ 7734.096861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7734.096861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7734.096861][   T10]      ip6_route_add+0x1c/0x140
[ 7734.096861][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7734.096861][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7734.096861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7734.096861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.096861][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.096861][   T10]      netlink_unicast+0x449/0x710
[ 7734.096861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.096861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.096861][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.096861][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.096861][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.096861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.096861][   T10] 
[ 7734.098875][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7734.098875][   T10]      netdev_get_by_index+0x5e/0x80
[ 7734.098875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7734.098875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7734.098875][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7734.098875][   T10]      ipv6_add_addr+0x411/0x2000
[ 7734.098875][   T10]      inet6_addr_add+0x30e/0xa40
[ 7734.098875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7734.098875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.098875][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.098875][   T10]      netlink_unicast+0x449/0x710
[ 7734.098875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.098875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.098875][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.098875][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.098875][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.098875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.098875][   T10] 
[ 7734.100872][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7734.100872][   T10]      netdev_get_by_index+0x5e/0x80
[ 7734.100872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7734.100872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7734.100872][   T10]      ip6_route_add+0x1c/0x140
[ 7734.100872][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7734.100872][   T10]      addrconf_add_dev+0xe2/0x170
[ 7734.100872][   T10]      inet6_addr_add+0x12f/0xa40
[ 7734.100872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7734.100872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.100872][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.100872][   T10]      netlink_unicast+0x449/0x710
[ 7734.100872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.100872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.100872][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.100872][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.100872][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.100872][   T10] 
[ 7734.102823][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7734.102823][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7734.102823][   T10]      ipv6_find_idev+0x102/0x170
[ 7734.102823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7734.102823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.102823][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.102823][   T10]      netlink_unicast+0x449/0x710
[ 7734.102823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.102823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.102823][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.102823][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.102823][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.102823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.102823][   T10] 
[ 7734.104356][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7734.104356][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7734.104356][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7734.104356][   T10]      ipv6_find_idev+0x102/0x170
[ 7734.104356][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7734.104356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7734.104356][   T10]      netlink_rcv_skb+0x130/0x360
[ 7734.104356][   T10]      netlink_unicast+0x449/0x710
[ 7734.104356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7734.104356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7734.104356][   T10]      ___sys_sendmsg+0xee/0x170
[ 7734.104356][   T10]      __sys_sendmsg+0xcd/0x170
[ 7734.104356][   T10]      do_syscall_64+0xc6/0x1e0
[ 7734.104356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7734.104356][   T10] 
[ 7736.418728][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7736.419215][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7736.419215][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7736.419215][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7736.419215][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7736.419215][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7736.419215][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7736.419215][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7736.419215][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7736.419215][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7736.419215][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7736.419215][ T1078]      netlink_unicast+0x449/0x710
[ 7736.419215][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7736.419215][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7736.419215][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7736.419215][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7736.419215][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7736.419215][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7736.419215][ T1078] 
[ 7736.421472][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7736.421472][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7736.421472][ T1078]      ipv6_find_idev+0x102/0x170
[ 7736.421472][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7736.421472][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7736.421472][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7736.421472][ T1078]      netlink_unicast+0x449/0x710
[ 7736.421472][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7736.421472][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7736.421472][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7736.421472][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7736.421472][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7736.421472][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7736.421472][ T1078] 
[ 7736.423198][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7736.423198][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7736.423198][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7736.423198][ T1078]      ipv6_find_idev+0x102/0x170
[ 7736.423198][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7736.423198][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7736.423198][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7736.423198][ T1078]      netlink_unicast+0x449/0x710
[ 7736.423198][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7736.423198][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7736.423198][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7736.423198][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7736.423198][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7736.423198][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7736.423198][ T1078] 
[ 7742.762818][   T42] INFO: task modprobe:1347 blocked for more than 368 seconds.
[ 7742.763142][   T42]       Not tainted 6.8.0-virtme #1
[ 7742.763260][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 7742.763458][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 7742.763736][   T42] Call Trace:
[ 7742.763833][   T42]  <TASK>
[ 7742.763906][   T42]  __schedule+0x705/0x1ac0
[ 7742.764043][   T42]  ? __pfx___schedule+0x10/0x10
[ 7742.764166][   T42]  ? schedule+0x1a5/0x210
[ 7742.764262][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7742.764391][   T42]  ? mark_lock+0x38/0x3e0
[ 7742.764492][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 7742.764621][   T42]  ? schedule+0x1a5/0x210
[ 7742.764734][   T42]  schedule+0xdf/0x210
[ 7742.764833][   T42]  schedule_preempt_disabled+0x15/0x30
[ 7742.764957][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 7742.765086][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 7742.765238][   T42]  ? kasan_save_stack+0x34/0x50
[ 7742.765377][   T42]  ? kasan_save_stack+0x24/0x50
[ 7742.765500][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7742.765628][   T42]  ? lock_acquire+0x1c1/0x220
[ 7742.765758][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 7742.765891][   T42]  down_write+0x1c9/0x200
[ 7742.765989][   T42]  ? __pfx_down_write+0x10/0x10
[ 7742.766110][   T42]  ? __pfx___lock_release+0x10/0x10
[ 7742.766241][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 7742.766429][   T42]  register_pernet_subsys+0x1a/0x50
[ 7742.766554][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 7742.766743][   T42]  do_one_initcall+0xc8/0x3f0
[ 7742.766868][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 7742.766999][   T42]  ? __create_object+0x5e/0xb0
[ 7742.767127][   T42]  ? kasan_unpoison+0x27/0x60
[ 7742.767258][   T42]  do_init_module+0x233/0x740
[ 7742.767391][   T42]  load_module+0x16b5/0x2350
[ 7742.767525][   T42]  ? __pfx_load_module+0x10/0x10
[ 7742.767649][   T42]  ? kernel_read_file+0x3d2/0x520
[ 7742.767797][   T42]  ? kernel_read_file+0x300/0x520
[ 7742.767948][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 7742.768078][   T42]  ? init_module_from_file+0xd2/0x130
[ 7742.768205][   T42]  init_module_from_file+0xd2/0x130
[ 7742.768327][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 7742.768479][   T42]  ? __lock_release+0x103/0x460
[ 7742.768600][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7742.768746][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7742.768869][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 7742.768994][   T42]  idempotent_init_module+0x342/0x620
[ 7742.769121][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 7742.769293][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 7742.769418][   T42]  do_syscall_64+0xc6/0x1e0
[ 7742.769547][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7742.769709][   T42] RIP: 0033:0x7f688a3aae5d
[ 7742.769841][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 7742.770025][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 7742.770209][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 7742.770394][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 7742.770574][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 7742.770763][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 7742.770960][   T42]  </TASK>
[ 7742.771058][   T42] 
[ 7742.771058][   T42] Showing all locks held in the system:
[ 7742.771230][   T42] 3 locks held by kworker/u16:0/10:
[ 7742.771357][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7742.771606][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7742.771843][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 7742.772070][   T42] 1 lock held by khungtaskd/42:
[ 7742.772187][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 7742.772404][   T42] 2 locks held by kworker/u19:1/60:
[ 7742.772532][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7742.772788][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7742.773069][   T42] 1 lock held by modprobe/1347:
[ 7742.773185][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 7742.773430][   T42] 
[ 7742.773490][   T42] =============================================
[ 7742.773490][   T42] 
[ 7744.170800][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7744.171235][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7744.171235][   T10]      netdev_get_by_index+0x5e/0x80
[ 7744.171235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7744.171235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7744.171235][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7744.171235][   T10]      ipv6_add_addr+0x411/0x2000
[ 7744.171235][   T10]      inet6_addr_add+0x30e/0xa40
[ 7744.171235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7744.171235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.171235][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.171235][   T10]      netlink_unicast+0x449/0x710
[ 7744.171235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.171235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.171235][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.171235][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.171235][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.171235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.171235][   T10] 
[ 7744.173232][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7744.173232][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7744.173232][   T10]      ipv6_find_idev+0x102/0x170
[ 7744.173232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7744.173232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.173232][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.173232][   T10]      netlink_unicast+0x449/0x710
[ 7744.173232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.173232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.173232][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.173232][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.173232][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.173232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.173232][   T10] 
[ 7744.174760][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7744.174760][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7744.174760][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7744.174760][   T10]      ipv6_find_idev+0x102/0x170
[ 7744.174760][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7744.174760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.174760][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.174760][   T10]      netlink_unicast+0x449/0x710
[ 7744.174760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.174760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.174760][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.174760][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.174760][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.174760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.174760][   T10] 
[ 7744.176431][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7744.176666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7744.176666][   T10]      netdev_get_by_index+0x5e/0x80
[ 7744.176666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7744.176666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7744.176666][   T10]      ip6_route_add+0x1c/0x140
[ 7744.176666][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7744.176666][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7744.176666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7744.176666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.176666][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.176666][   T10]      netlink_unicast+0x449/0x710
[ 7744.176666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.176666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.176666][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.176666][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.176666][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.176666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.176666][   T10] 
[ 7744.178666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7744.178666][   T10]      netdev_get_by_index+0x5e/0x80
[ 7744.178666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7744.178666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7744.178666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7744.178666][   T10]      ipv6_add_addr+0x411/0x2000
[ 7744.178666][   T10]      inet6_addr_add+0x30e/0xa40
[ 7744.178666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7744.178666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.178666][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.178666][   T10]      netlink_unicast+0x449/0x710
[ 7744.178666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.178666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.178666][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.178666][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.178666][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.178666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.178666][   T10] 
[ 7744.180650][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7744.180650][   T10]      netdev_get_by_index+0x5e/0x80
[ 7744.180650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7744.180650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7744.180650][   T10]      ip6_route_add+0x1c/0x140
[ 7744.180650][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7744.180650][   T10]      addrconf_add_dev+0xe2/0x170
[ 7744.180650][   T10]      inet6_addr_add+0x12f/0xa40
[ 7744.180650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7744.180650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.180650][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.180650][   T10]      netlink_unicast+0x449/0x710
[ 7744.180650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.180650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.180650][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.180650][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.180650][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.180650][   T10] 
[ 7744.182593][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7744.182593][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7744.182593][   T10]      ipv6_find_idev+0x102/0x170
[ 7744.182593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7744.182593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.182593][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.182593][   T10]      netlink_unicast+0x449/0x710
[ 7744.182593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.182593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.182593][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.182593][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.182593][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.182593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.182593][   T10] 
[ 7744.184118][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7744.184118][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7744.184118][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7744.184118][   T10]      ipv6_find_idev+0x102/0x170
[ 7744.184118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7744.184118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7744.184118][   T10]      netlink_rcv_skb+0x130/0x360
[ 7744.184118][   T10]      netlink_unicast+0x449/0x710
[ 7744.184118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7744.184118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7744.184118][   T10]      ___sys_sendmsg+0xee/0x170
[ 7744.184118][   T10]      __sys_sendmsg+0xcd/0x170
[ 7744.184118][   T10]      do_syscall_64+0xc6/0x1e0
[ 7744.184118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7744.184118][   T10] 
[ 7746.474811][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7746.475302][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7746.475302][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7746.475302][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7746.475302][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7746.475302][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7746.475302][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7746.475302][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7746.475302][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7746.475302][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7746.475302][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7746.475302][ T1078]      netlink_unicast+0x449/0x710
[ 7746.475302][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7746.475302][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7746.475302][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7746.475302][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7746.475302][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7746.475302][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7746.475302][ T1078] 
[ 7746.477554][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7746.477554][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7746.477554][ T1078]      ipv6_find_idev+0x102/0x170
[ 7746.477554][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7746.477554][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7746.477554][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7746.477554][ T1078]      netlink_unicast+0x449/0x710
[ 7746.477554][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7746.477554][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7746.477554][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7746.477554][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7746.477554][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7746.477554][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7746.477554][ T1078] 
[ 7746.479289][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7746.479289][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7746.479289][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7746.479289][ T1078]      ipv6_find_idev+0x102/0x170
[ 7746.479289][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7746.479289][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7746.479289][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7746.479289][ T1078]      netlink_unicast+0x449/0x710
[ 7746.479289][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7746.479289][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7746.479289][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7746.479289][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7746.479289][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7746.479289][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7746.479289][ T1078] 
[ 7754.426813][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7754.427231][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7754.427231][   T10]      netdev_get_by_index+0x5e/0x80
[ 7754.427231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7754.427231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7754.427231][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7754.427231][   T10]      ipv6_add_addr+0x411/0x2000
[ 7754.427231][   T10]      inet6_addr_add+0x30e/0xa40
[ 7754.427231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7754.427231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.427231][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.427231][   T10]      netlink_unicast+0x449/0x710
[ 7754.427231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.427231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.427231][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.427231][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.427231][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.427231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.427231][   T10] 
[ 7754.429257][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7754.429257][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7754.429257][   T10]      ipv6_find_idev+0x102/0x170
[ 7754.429257][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7754.429257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.429257][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.429257][   T10]      netlink_unicast+0x449/0x710
[ 7754.429257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.429257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.429257][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.429257][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.429257][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.429257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.429257][   T10] 
[ 7754.430792][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7754.430792][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7754.430792][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7754.430792][   T10]      ipv6_find_idev+0x102/0x170
[ 7754.430792][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7754.430792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.430792][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.430792][   T10]      netlink_unicast+0x449/0x710
[ 7754.430792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.430792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.430792][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.430792][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.430792][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.430792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.430792][   T10] 
[ 7754.432471][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7754.432713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7754.432713][   T10]      netdev_get_by_index+0x5e/0x80
[ 7754.432713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7754.432713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7754.432713][   T10]      ip6_route_add+0x1c/0x140
[ 7754.432713][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7754.432713][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7754.432713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7754.432713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.432713][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.432713][   T10]      netlink_unicast+0x449/0x710
[ 7754.432713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.432713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.432713][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.432713][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.432713][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.432713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.432713][   T10] 
[ 7754.434706][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7754.434706][   T10]      netdev_get_by_index+0x5e/0x80
[ 7754.434706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7754.434706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7754.434706][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7754.434706][   T10]      ipv6_add_addr+0x411/0x2000
[ 7754.434706][   T10]      inet6_addr_add+0x30e/0xa40
[ 7754.434706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7754.434706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.434706][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.434706][   T10]      netlink_unicast+0x449/0x710
[ 7754.434706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.434706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.434706][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.434706][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.434706][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.434706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.434706][   T10] 
[ 7754.436704][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7754.436704][   T10]      netdev_get_by_index+0x5e/0x80
[ 7754.436704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7754.436704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7754.436704][   T10]      ip6_route_add+0x1c/0x140
[ 7754.436704][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7754.436704][   T10]      addrconf_add_dev+0xe2/0x170
[ 7754.436704][   T10]      inet6_addr_add+0x12f/0xa40
[ 7754.436704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7754.436704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.436704][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.436704][   T10]      netlink_unicast+0x449/0x710
[ 7754.436704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.436704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.436704][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.436704][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.436704][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.436704][   T10] 
[ 7754.438675][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7754.438675][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7754.438675][   T10]      ipv6_find_idev+0x102/0x170
[ 7754.438675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7754.438675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.438675][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.438675][   T10]      netlink_unicast+0x449/0x710
[ 7754.438675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.438675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.438675][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.438675][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.438675][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.438675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.438675][   T10] 
[ 7754.440216][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7754.440216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7754.440216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7754.440216][   T10]      ipv6_find_idev+0x102/0x170
[ 7754.440216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7754.440216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7754.440216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7754.440216][   T10]      netlink_unicast+0x449/0x710
[ 7754.440216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7754.440216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7754.440216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7754.440216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7754.440216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7754.440216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7754.440216][   T10] 
[ 7756.722907][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7756.723395][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7756.723395][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7756.723395][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7756.723395][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7756.723395][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7756.723395][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7756.723395][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7756.723395][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7756.723395][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7756.723395][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7756.723395][ T1078]      netlink_unicast+0x449/0x710
[ 7756.723395][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7756.723395][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7756.723395][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7756.723395][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7756.723395][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7756.723395][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7756.723395][ T1078] 
[ 7756.725655][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7756.725655][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7756.725655][ T1078]      ipv6_find_idev+0x102/0x170
[ 7756.725655][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7756.725655][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7756.725655][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7756.725655][ T1078]      netlink_unicast+0x449/0x710
[ 7756.725655][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7756.725655][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7756.725655][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7756.725655][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7756.725655][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7756.725655][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7756.725655][ T1078] 
[ 7756.727386][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7756.727386][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7756.727386][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7756.727386][ T1078]      ipv6_find_idev+0x102/0x170
[ 7756.727386][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7756.727386][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7756.727386][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7756.727386][ T1078]      netlink_unicast+0x449/0x710
[ 7756.727386][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7756.727386][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7756.727386][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7756.727386][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7756.727386][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7756.727386][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7756.727386][ T1078] 
[ 7764.682803][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7764.683209][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7764.683209][   T10]      netdev_get_by_index+0x5e/0x80
[ 7764.683209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7764.683209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7764.683209][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7764.683209][   T10]      ipv6_add_addr+0x411/0x2000
[ 7764.683209][   T10]      inet6_addr_add+0x30e/0xa40
[ 7764.683209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7764.683209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.683209][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.683209][   T10]      netlink_unicast+0x449/0x710
[ 7764.683209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.683209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.683209][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.683209][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.683209][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.683209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.683209][   T10] 
[ 7764.685214][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7764.685214][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7764.685214][   T10]      ipv6_find_idev+0x102/0x170
[ 7764.685214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7764.685214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.685214][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.685214][   T10]      netlink_unicast+0x449/0x710
[ 7764.685214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.685214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.685214][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.685214][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.685214][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.685214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.685214][   T10] 
[ 7764.686746][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7764.686746][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7764.686746][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7764.686746][   T10]      ipv6_find_idev+0x102/0x170
[ 7764.686746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7764.686746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.686746][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.686746][   T10]      netlink_unicast+0x449/0x710
[ 7764.686746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.686746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.686746][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.686746][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.686746][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.686746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.686746][   T10] 
[ 7764.688430][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7764.688668][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7764.688668][   T10]      netdev_get_by_index+0x5e/0x80
[ 7764.688668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7764.688668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7764.688668][   T10]      ip6_route_add+0x1c/0x140
[ 7764.688668][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7764.688668][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7764.688668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7764.688668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.688668][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.688668][   T10]      netlink_unicast+0x449/0x710
[ 7764.688668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.688668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.688668][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.688668][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.688668][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.688668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.688668][   T10] 
[ 7764.690660][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7764.690660][   T10]      netdev_get_by_index+0x5e/0x80
[ 7764.690660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7764.690660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7764.690660][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7764.690660][   T10]      ipv6_add_addr+0x411/0x2000
[ 7764.690660][   T10]      inet6_addr_add+0x30e/0xa40
[ 7764.690660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7764.690660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.690660][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.690660][   T10]      netlink_unicast+0x449/0x710
[ 7764.690660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.690660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.690660][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.690660][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.690660][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.690660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.690660][   T10] 
[ 7764.692661][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7764.692661][   T10]      netdev_get_by_index+0x5e/0x80
[ 7764.692661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7764.692661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7764.692661][   T10]      ip6_route_add+0x1c/0x140
[ 7764.692661][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7764.692661][   T10]      addrconf_add_dev+0xe2/0x170
[ 7764.692661][   T10]      inet6_addr_add+0x12f/0xa40
[ 7764.692661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7764.692661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.692661][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.692661][   T10]      netlink_unicast+0x449/0x710
[ 7764.692661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.692661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.692661][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.692661][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.692661][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.692661][   T10] 
[ 7764.694635][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7764.694635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7764.694635][   T10]      ipv6_find_idev+0x102/0x170
[ 7764.694635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7764.694635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.694635][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.694635][   T10]      netlink_unicast+0x449/0x710
[ 7764.694635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.694635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.694635][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.694635][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.694635][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.694635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.694635][   T10] 
[ 7764.696170][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7764.696170][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7764.696170][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7764.696170][   T10]      ipv6_find_idev+0x102/0x170
[ 7764.696170][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7764.696170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7764.696170][   T10]      netlink_rcv_skb+0x130/0x360
[ 7764.696170][   T10]      netlink_unicast+0x449/0x710
[ 7764.696170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7764.696170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7764.696170][   T10]      ___sys_sendmsg+0xee/0x170
[ 7764.696170][   T10]      __sys_sendmsg+0xcd/0x170
[ 7764.696170][   T10]      do_syscall_64+0xc6/0x1e0
[ 7764.696170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7764.696170][   T10] 
[ 7766.970839][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7766.971263][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7766.971263][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7766.971263][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7766.971263][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7766.971263][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7766.971263][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7766.971263][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7766.971263][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7766.971263][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7766.971263][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7766.971263][ T1078]      netlink_unicast+0x449/0x710
[ 7766.971263][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7766.971263][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7766.971263][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7766.971263][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7766.971263][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7766.971263][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7766.971263][ T1078] 
[ 7766.973545][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7766.973545][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7766.973545][ T1078]      ipv6_find_idev+0x102/0x170
[ 7766.973545][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7766.973545][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7766.973545][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7766.973545][ T1078]      netlink_unicast+0x449/0x710
[ 7766.973545][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7766.973545][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7766.973545][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7766.973545][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7766.973545][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7766.973545][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7766.973545][ T1078] 
[ 7766.975275][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7766.975275][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7766.975275][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7766.975275][ T1078]      ipv6_find_idev+0x102/0x170
[ 7766.975275][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7766.975275][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7766.975275][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7766.975275][ T1078]      netlink_unicast+0x449/0x710
[ 7766.975275][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7766.975275][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7766.975275][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7766.975275][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7766.975275][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7766.975275][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7766.975275][ T1078] 
[ 7774.938791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7774.939223][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7774.939223][   T10]      netdev_get_by_index+0x5e/0x80
[ 7774.939223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7774.939223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7774.939223][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7774.939223][   T10]      ipv6_add_addr+0x411/0x2000
[ 7774.939223][   T10]      inet6_addr_add+0x30e/0xa40
[ 7774.939223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7774.939223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.939223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.939223][   T10]      netlink_unicast+0x449/0x710
[ 7774.939223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.939223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.939223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.939223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.939223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.939223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.939223][   T10] 
[ 7774.941222][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7774.941222][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7774.941222][   T10]      ipv6_find_idev+0x102/0x170
[ 7774.941222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7774.941222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.941222][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.941222][   T10]      netlink_unicast+0x449/0x710
[ 7774.941222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.941222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.941222][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.941222][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.941222][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.941222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.941222][   T10] 
[ 7774.942762][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7774.942762][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7774.942762][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7774.942762][   T10]      ipv6_find_idev+0x102/0x170
[ 7774.942762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7774.942762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.942762][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.942762][   T10]      netlink_unicast+0x449/0x710
[ 7774.942762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.942762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.942762][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.942762][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.942762][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.942762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.942762][   T10] 
[ 7774.944438][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7774.944686][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7774.944686][   T10]      netdev_get_by_index+0x5e/0x80
[ 7774.944686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7774.944686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7774.944686][   T10]      ip6_route_add+0x1c/0x140
[ 7774.944686][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7774.944686][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7774.944686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7774.944686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.944686][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.944686][   T10]      netlink_unicast+0x449/0x710
[ 7774.944686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.944686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.944686][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.944686][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.944686][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.944686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.944686][   T10] 
[ 7774.946680][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7774.946680][   T10]      netdev_get_by_index+0x5e/0x80
[ 7774.946680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7774.946680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7774.946680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7774.946680][   T10]      ipv6_add_addr+0x411/0x2000
[ 7774.946680][   T10]      inet6_addr_add+0x30e/0xa40
[ 7774.946680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7774.946680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.946680][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.946680][   T10]      netlink_unicast+0x449/0x710
[ 7774.946680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.946680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.946680][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.946680][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.946680][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.946680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.946680][   T10] 
[ 7774.948685][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7774.948685][   T10]      netdev_get_by_index+0x5e/0x80
[ 7774.948685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7774.948685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7774.948685][   T10]      ip6_route_add+0x1c/0x140
[ 7774.948685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7774.948685][   T10]      addrconf_add_dev+0xe2/0x170
[ 7774.948685][   T10]      inet6_addr_add+0x12f/0xa40
[ 7774.948685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7774.948685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.948685][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.948685][   T10]      netlink_unicast+0x449/0x710
[ 7774.948685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.948685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.948685][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.948685][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.948685][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.948685][   T10] 
[ 7774.950642][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7774.950642][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7774.950642][   T10]      ipv6_find_idev+0x102/0x170
[ 7774.950642][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7774.950642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.950642][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.950642][   T10]      netlink_unicast+0x449/0x710
[ 7774.950642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.950642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.950642][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.950642][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.950642][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.950642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.950642][   T10] 
[ 7774.952178][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7774.952178][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7774.952178][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7774.952178][   T10]      ipv6_find_idev+0x102/0x170
[ 7774.952178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7774.952178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7774.952178][   T10]      netlink_rcv_skb+0x130/0x360
[ 7774.952178][   T10]      netlink_unicast+0x449/0x710
[ 7774.952178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7774.952178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7774.952178][   T10]      ___sys_sendmsg+0xee/0x170
[ 7774.952178][   T10]      __sys_sendmsg+0xcd/0x170
[ 7774.952178][   T10]      do_syscall_64+0xc6/0x1e0
[ 7774.952178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7774.952178][   T10] 
[ 7777.218805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7777.219297][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7777.219297][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7777.219297][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7777.219297][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7777.219297][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7777.219297][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7777.219297][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7777.219297][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7777.219297][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7777.219297][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7777.219297][ T1078]      netlink_unicast+0x449/0x710
[ 7777.219297][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7777.219297][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7777.219297][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7777.219297][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7777.219297][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7777.219297][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7777.219297][ T1078] 
[ 7777.221575][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7777.221575][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7777.221575][ T1078]      ipv6_find_idev+0x102/0x170
[ 7777.221575][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7777.221575][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7777.221575][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7777.221575][ T1078]      netlink_unicast+0x449/0x710
[ 7777.221575][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7777.221575][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7777.221575][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7777.221575][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7777.221575][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7777.221575][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7777.221575][ T1078] 
[ 7777.223311][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7777.223311][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7777.223311][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7777.223311][ T1078]      ipv6_find_idev+0x102/0x170
[ 7777.223311][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7777.223311][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7777.223311][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7777.223311][ T1078]      netlink_unicast+0x449/0x710
[ 7777.223311][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7777.223311][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7777.223311][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7777.223311][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7777.223311][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7777.223311][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7777.223311][ T1078] 
[ 7785.194796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7785.195206][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7785.195206][   T10]      netdev_get_by_index+0x5e/0x80
[ 7785.195206][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7785.195206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7785.195206][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7785.195206][   T10]      ipv6_add_addr+0x411/0x2000
[ 7785.195206][   T10]      inet6_addr_add+0x30e/0xa40
[ 7785.195206][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7785.195206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.195206][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.195206][   T10]      netlink_unicast+0x449/0x710
[ 7785.195206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.195206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.195206][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.195206][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.195206][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.195206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.195206][   T10] 
[ 7785.197226][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7785.197226][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7785.197226][   T10]      ipv6_find_idev+0x102/0x170
[ 7785.197226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7785.197226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.197226][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.197226][   T10]      netlink_unicast+0x449/0x710
[ 7785.197226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.197226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.197226][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.197226][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.197226][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.197226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.197226][   T10] 
[ 7785.198777][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7785.198777][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7785.198777][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7785.198777][   T10]      ipv6_find_idev+0x102/0x170
[ 7785.198777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7785.198777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.198777][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.198777][   T10]      netlink_unicast+0x449/0x710
[ 7785.198777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.198777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.198777][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.198777][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.198777][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.198777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.198777][   T10] 
[ 7785.200450][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7785.200700][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7785.200700][   T10]      netdev_get_by_index+0x5e/0x80
[ 7785.200700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7785.200700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7785.200700][   T10]      ip6_route_add+0x1c/0x140
[ 7785.200700][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7785.200700][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7785.200700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7785.200700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.200700][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.200700][   T10]      netlink_unicast+0x449/0x710
[ 7785.200700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.200700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.200700][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.200700][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.200700][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.200700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.200700][   T10] 
[ 7785.202687][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7785.202687][   T10]      netdev_get_by_index+0x5e/0x80
[ 7785.202687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7785.202687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7785.202687][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7785.202687][   T10]      ipv6_add_addr+0x411/0x2000
[ 7785.202687][   T10]      inet6_addr_add+0x30e/0xa40
[ 7785.202687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7785.202687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.202687][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.202687][   T10]      netlink_unicast+0x449/0x710
[ 7785.202687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.202687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.202687][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.202687][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.202687][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.202687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.202687][   T10] 
[ 7785.204668][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7785.204668][   T10]      netdev_get_by_index+0x5e/0x80
[ 7785.204668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7785.204668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7785.204668][   T10]      ip6_route_add+0x1c/0x140
[ 7785.204668][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7785.204668][   T10]      addrconf_add_dev+0xe2/0x170
[ 7785.204668][   T10]      inet6_addr_add+0x12f/0xa40
[ 7785.204668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7785.204668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.204668][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.204668][   T10]      netlink_unicast+0x449/0x710
[ 7785.204668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.204668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.204668][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.204668][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.204668][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.204668][   T10] 
[ 7785.206627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7785.206627][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7785.206627][   T10]      ipv6_find_idev+0x102/0x170
[ 7785.206627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7785.206627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.206627][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.206627][   T10]      netlink_unicast+0x449/0x710
[ 7785.206627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.206627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.206627][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.206627][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.206627][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.206627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.206627][   T10] 
[ 7785.208179][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7785.208179][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7785.208179][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7785.208179][   T10]      ipv6_find_idev+0x102/0x170
[ 7785.208179][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7785.208179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7785.208179][   T10]      netlink_rcv_skb+0x130/0x360
[ 7785.208179][   T10]      netlink_unicast+0x449/0x710
[ 7785.208179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7785.208179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7785.208179][   T10]      ___sys_sendmsg+0xee/0x170
[ 7785.208179][   T10]      __sys_sendmsg+0xcd/0x170
[ 7785.208179][   T10]      do_syscall_64+0xc6/0x1e0
[ 7785.208179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7785.208179][   T10] 
[ 7787.466837][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7787.467314][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7787.467314][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7787.467314][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7787.467314][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7787.467314][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7787.467314][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7787.467314][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7787.467314][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7787.467314][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7787.467314][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7787.467314][ T1078]      netlink_unicast+0x449/0x710
[ 7787.467314][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7787.467314][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7787.467314][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7787.467314][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7787.467314][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7787.467314][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7787.467314][ T1078] 
[ 7787.469606][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7787.469606][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7787.469606][ T1078]      ipv6_find_idev+0x102/0x170
[ 7787.469606][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7787.469606][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7787.469606][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7787.469606][ T1078]      netlink_unicast+0x449/0x710
[ 7787.469606][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7787.469606][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7787.469606][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7787.469606][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7787.469606][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7787.469606][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7787.469606][ T1078] 
[ 7787.471346][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7787.471346][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7787.471346][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7787.471346][ T1078]      ipv6_find_idev+0x102/0x170
[ 7787.471346][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7787.471346][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7787.471346][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7787.471346][ T1078]      netlink_unicast+0x449/0x710
[ 7787.471346][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7787.471346][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7787.471346][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7787.471346][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7787.471346][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7787.471346][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7787.471346][ T1078] 
[ 7795.450802][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7795.451215][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7795.451215][   T10]      netdev_get_by_index+0x5e/0x80
[ 7795.451215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7795.451215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7795.451215][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7795.451215][   T10]      ipv6_add_addr+0x411/0x2000
[ 7795.451215][   T10]      inet6_addr_add+0x30e/0xa40
[ 7795.451215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7795.451215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.451215][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.451215][   T10]      netlink_unicast+0x449/0x710
[ 7795.451215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.451215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.451215][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.451215][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.451215][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.451215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.451215][   T10] 
[ 7795.453219][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7795.453219][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7795.453219][   T10]      ipv6_find_idev+0x102/0x170
[ 7795.453219][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7795.453219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.453219][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.453219][   T10]      netlink_unicast+0x449/0x710
[ 7795.453219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.453219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.453219][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.453219][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.453219][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.453219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.453219][   T10] 
[ 7795.454756][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7795.454756][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7795.454756][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7795.454756][   T10]      ipv6_find_idev+0x102/0x170
[ 7795.454756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7795.454756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.454756][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.454756][   T10]      netlink_unicast+0x449/0x710
[ 7795.454756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.454756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.454756][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.454756][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.454756][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.454756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.454756][   T10] 
[ 7795.456706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7795.456946][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7795.456946][   T10]      netdev_get_by_index+0x5e/0x80
[ 7795.456946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7795.456946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7795.456946][   T10]      ip6_route_add+0x1c/0x140
[ 7795.456946][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7795.456946][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7795.456946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7795.456946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.456946][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.456946][   T10]      netlink_unicast+0x449/0x710
[ 7795.456946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.456946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.456946][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.456946][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.456946][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.456946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.456946][   T10] 
[ 7795.458945][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7795.458945][   T10]      netdev_get_by_index+0x5e/0x80
[ 7795.458945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7795.458945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7795.458945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7795.458945][   T10]      ipv6_add_addr+0x411/0x2000
[ 7795.458945][   T10]      inet6_addr_add+0x30e/0xa40
[ 7795.458945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7795.458945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.458945][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.458945][   T10]      netlink_unicast+0x449/0x710
[ 7795.458945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.458945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.458945][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.458945][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.458945][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.458945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.458945][   T10] 
[ 7795.460937][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7795.460937][   T10]      netdev_get_by_index+0x5e/0x80
[ 7795.460937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7795.460937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7795.460937][   T10]      ip6_route_add+0x1c/0x140
[ 7795.460937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7795.460937][   T10]      addrconf_add_dev+0xe2/0x170
[ 7795.460937][   T10]      inet6_addr_add+0x12f/0xa40
[ 7795.460937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7795.460937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.460937][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.460937][   T10]      netlink_unicast+0x449/0x710
[ 7795.460937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.460937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.460937][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.460937][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.460937][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.460937][   T10] 
[ 7795.462893][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7795.462893][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7795.462893][   T10]      ipv6_find_idev+0x102/0x170
[ 7795.462893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7795.462893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.462893][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.462893][   T10]      netlink_unicast+0x449/0x710
[ 7795.462893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.462893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.462893][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.462893][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.462893][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.462893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.462893][   T10] 
[ 7795.464441][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7795.464441][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7795.464441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7795.464441][   T10]      ipv6_find_idev+0x102/0x170
[ 7795.464441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7795.464441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7795.464441][   T10]      netlink_rcv_skb+0x130/0x360
[ 7795.464441][   T10]      netlink_unicast+0x449/0x710
[ 7795.464441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7795.464441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7795.464441][   T10]      ___sys_sendmsg+0xee/0x170
[ 7795.464441][   T10]      __sys_sendmsg+0xcd/0x170
[ 7795.464441][   T10]      do_syscall_64+0xc6/0x1e0
[ 7795.464441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7795.464441][   T10] 
[ 7797.714818][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7797.715316][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7797.715316][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7797.715316][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7797.715316][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7797.715316][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7797.715316][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7797.715316][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7797.715316][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7797.715316][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7797.715316][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7797.715316][ T1078]      netlink_unicast+0x449/0x710
[ 7797.715316][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7797.715316][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7797.715316][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7797.715316][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7797.715316][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7797.715316][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7797.715316][ T1078] 
[ 7797.717585][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7797.717585][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7797.717585][ T1078]      ipv6_find_idev+0x102/0x170
[ 7797.717585][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7797.717585][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7797.717585][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7797.717585][ T1078]      netlink_unicast+0x449/0x710
[ 7797.717585][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7797.717585][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7797.717585][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7797.717585][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7797.717585][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7797.717585][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7797.717585][ T1078] 
[ 7797.719329][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7797.719329][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7797.719329][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7797.719329][ T1078]      ipv6_find_idev+0x102/0x170
[ 7797.719329][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7797.719329][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7797.719329][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7797.719329][ T1078]      netlink_unicast+0x449/0x710
[ 7797.719329][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7797.719329][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7797.719329][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7797.719329][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7797.719329][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7797.719329][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7797.719329][ T1078] 
[ 7805.706801][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7805.707252][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7805.707252][   T10]      netdev_get_by_index+0x5e/0x80
[ 7805.707252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7805.707252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7805.707252][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7805.707252][   T10]      ipv6_add_addr+0x411/0x2000
[ 7805.707252][   T10]      inet6_addr_add+0x30e/0xa40
[ 7805.707252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7805.707252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.707252][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.707252][   T10]      netlink_unicast+0x449/0x710
[ 7805.707252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.707252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.707252][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.707252][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.707252][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.707252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.707252][   T10] 
[ 7805.709269][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7805.709269][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7805.709269][   T10]      ipv6_find_idev+0x102/0x170
[ 7805.709269][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7805.709269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.709269][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.709269][   T10]      netlink_unicast+0x449/0x710
[ 7805.709269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.709269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.709269][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.709269][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.709269][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.709269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.709269][   T10] 
[ 7805.710809][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7805.710809][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7805.710809][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7805.710809][   T10]      ipv6_find_idev+0x102/0x170
[ 7805.710809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7805.710809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.710809][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.710809][   T10]      netlink_unicast+0x449/0x710
[ 7805.710809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.710809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.710809][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.710809][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.710809][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.710809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.710809][   T10] 
[ 7805.712506][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7805.712761][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7805.712761][   T10]      netdev_get_by_index+0x5e/0x80
[ 7805.712761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7805.712761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7805.712761][   T10]      ip6_route_add+0x1c/0x140
[ 7805.712761][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7805.712761][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7805.712761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7805.712761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.712761][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.712761][   T10]      netlink_unicast+0x449/0x710
[ 7805.712761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.712761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.712761][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.712761][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.712761][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.712761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.712761][   T10] 
[ 7805.714759][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7805.714759][   T10]      netdev_get_by_index+0x5e/0x80
[ 7805.714759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7805.714759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7805.714759][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7805.714759][   T10]      ipv6_add_addr+0x411/0x2000
[ 7805.714759][   T10]      inet6_addr_add+0x30e/0xa40
[ 7805.714759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7805.714759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.714759][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.714759][   T10]      netlink_unicast+0x449/0x710
[ 7805.714759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.714759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.714759][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.714759][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.714759][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.714759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.714759][   T10] 
[ 7805.716760][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7805.716760][   T10]      netdev_get_by_index+0x5e/0x80
[ 7805.716760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7805.716760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7805.716760][   T10]      ip6_route_add+0x1c/0x140
[ 7805.716760][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7805.716760][   T10]      addrconf_add_dev+0xe2/0x170
[ 7805.716760][   T10]      inet6_addr_add+0x12f/0xa40
[ 7805.716760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7805.716760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.716760][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.716760][   T10]      netlink_unicast+0x449/0x710
[ 7805.716760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.716760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.716760][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.716760][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.716760][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.716760][   T10] 
[ 7805.718723][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7805.718723][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7805.718723][   T10]      ipv6_find_idev+0x102/0x170
[ 7805.718723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7805.718723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.718723][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.718723][   T10]      netlink_unicast+0x449/0x710
[ 7805.718723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.718723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.718723][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.718723][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.718723][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.718723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.718723][   T10] 
[ 7805.720261][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7805.720261][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7805.720261][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7805.720261][   T10]      ipv6_find_idev+0x102/0x170
[ 7805.720261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7805.720261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7805.720261][   T10]      netlink_rcv_skb+0x130/0x360
[ 7805.720261][   T10]      netlink_unicast+0x449/0x710
[ 7805.720261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7805.720261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7805.720261][   T10]      ___sys_sendmsg+0xee/0x170
[ 7805.720261][   T10]      __sys_sendmsg+0xcd/0x170
[ 7805.720261][   T10]      do_syscall_64+0xc6/0x1e0
[ 7805.720261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7805.720261][   T10] 
[ 7807.754809][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7807.755244][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7807.755244][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7807.755244][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7807.755244][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7807.755244][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7807.755244][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7807.755244][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7807.755244][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7807.755244][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7807.755244][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7807.755244][ T1078]      netlink_unicast+0x449/0x710
[ 7807.755244][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7807.755244][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7807.755244][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7807.755244][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7807.755244][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7807.755244][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7807.755244][ T1078] 
[ 7807.757562][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7807.757562][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7807.757562][ T1078]      ipv6_find_idev+0x102/0x170
[ 7807.757562][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7807.757562][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7807.757562][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7807.757562][ T1078]      netlink_unicast+0x449/0x710
[ 7807.757562][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7807.757562][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7807.757562][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7807.757562][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7807.757562][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7807.757562][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7807.757562][ T1078] 
[ 7807.759323][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7807.759323][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7807.759323][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7807.759323][ T1078]      ipv6_find_idev+0x102/0x170
[ 7807.759323][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7807.759323][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7807.759323][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7807.759323][ T1078]      netlink_unicast+0x449/0x710
[ 7807.759323][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7807.759323][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7807.759323][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7807.759323][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7807.759323][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7807.759323][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7807.759323][ T1078] 
[ 7815.962868][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7815.963274][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7815.963274][   T10]      netdev_get_by_index+0x5e/0x80
[ 7815.963274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7815.963274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7815.963274][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7815.963274][   T10]      ipv6_add_addr+0x411/0x2000
[ 7815.963274][   T10]      inet6_addr_add+0x30e/0xa40
[ 7815.963274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7815.963274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.963274][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.963274][   T10]      netlink_unicast+0x449/0x710
[ 7815.963274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.963274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.963274][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.963274][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.963274][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.963274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.963274][   T10] 
[ 7815.965281][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7815.965281][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7815.965281][   T10]      ipv6_find_idev+0x102/0x170
[ 7815.965281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7815.965281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.965281][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.965281][   T10]      netlink_unicast+0x449/0x710
[ 7815.965281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.965281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.965281][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.965281][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.965281][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.965281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.965281][   T10] 
[ 7815.966816][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7815.966816][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7815.966816][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7815.966816][   T10]      ipv6_find_idev+0x102/0x170
[ 7815.966816][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7815.966816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.966816][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.966816][   T10]      netlink_unicast+0x449/0x710
[ 7815.966816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.966816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.966816][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.966816][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.966816][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.966816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.966816][   T10] 
[ 7815.968512][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7815.968762][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7815.968762][   T10]      netdev_get_by_index+0x5e/0x80
[ 7815.968762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7815.968762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7815.968762][   T10]      ip6_route_add+0x1c/0x140
[ 7815.968762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7815.968762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7815.968762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7815.968762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.968762][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.968762][   T10]      netlink_unicast+0x449/0x710
[ 7815.968762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.968762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.968762][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.968762][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.968762][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.968762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.968762][   T10] 
[ 7815.970782][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7815.970782][   T10]      netdev_get_by_index+0x5e/0x80
[ 7815.970782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7815.970782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7815.970782][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7815.970782][   T10]      ipv6_add_addr+0x411/0x2000
[ 7815.970782][   T10]      inet6_addr_add+0x30e/0xa40
[ 7815.970782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7815.970782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.970782][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.970782][   T10]      netlink_unicast+0x449/0x710
[ 7815.970782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.970782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.970782][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.970782][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.970782][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.970782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.970782][   T10] 
[ 7815.972778][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7815.972778][   T10]      netdev_get_by_index+0x5e/0x80
[ 7815.972778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7815.972778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7815.972778][   T10]      ip6_route_add+0x1c/0x140
[ 7815.972778][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7815.972778][   T10]      addrconf_add_dev+0xe2/0x170
[ 7815.972778][   T10]      inet6_addr_add+0x12f/0xa40
[ 7815.972778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7815.972778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.972778][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.972778][   T10]      netlink_unicast+0x449/0x710
[ 7815.972778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.972778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.972778][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.972778][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.972778][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.972778][   T10] 
[ 7815.974733][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7815.974733][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7815.974733][   T10]      ipv6_find_idev+0x102/0x170
[ 7815.974733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7815.974733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.974733][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.974733][   T10]      netlink_unicast+0x449/0x710
[ 7815.974733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.974733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.974733][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.974733][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.974733][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.974733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.974733][   T10] 
[ 7815.976275][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7815.976275][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7815.976275][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7815.976275][   T10]      ipv6_find_idev+0x102/0x170
[ 7815.976275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7815.976275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7815.976275][   T10]      netlink_rcv_skb+0x130/0x360
[ 7815.976275][   T10]      netlink_unicast+0x449/0x710
[ 7815.976275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7815.976275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7815.976275][   T10]      ___sys_sendmsg+0xee/0x170
[ 7815.976275][   T10]      __sys_sendmsg+0xcd/0x170
[ 7815.976275][   T10]      do_syscall_64+0xc6/0x1e0
[ 7815.976275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7815.976275][   T10] 
[ 7818.010791][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7818.011302][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7818.011302][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7818.011302][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7818.011302][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7818.011302][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7818.011302][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7818.011302][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7818.011302][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7818.011302][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7818.011302][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7818.011302][ T1078]      netlink_unicast+0x449/0x710
[ 7818.011302][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7818.011302][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7818.011302][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7818.011302][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7818.011302][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7818.011302][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7818.011302][ T1078] 
[ 7818.013570][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7818.013570][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7818.013570][ T1078]      ipv6_find_idev+0x102/0x170
[ 7818.013570][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7818.013570][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7818.013570][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7818.013570][ T1078]      netlink_unicast+0x449/0x710
[ 7818.013570][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7818.013570][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7818.013570][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7818.013570][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7818.013570][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7818.013570][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7818.013570][ T1078] 
[ 7818.015321][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7818.015321][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7818.015321][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7818.015321][ T1078]      ipv6_find_idev+0x102/0x170
[ 7818.015321][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7818.015321][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7818.015321][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7818.015321][ T1078]      netlink_unicast+0x449/0x710
[ 7818.015321][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7818.015321][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7818.015321][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7818.015321][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7818.015321][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7818.015321][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7818.015321][ T1078] 
[ 7825.978797][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7825.979207][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7825.979207][   T10]      netdev_get_by_index+0x5e/0x80
[ 7825.979207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7825.979207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7825.979207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7825.979207][   T10]      ipv6_add_addr+0x411/0x2000
[ 7825.979207][   T10]      inet6_addr_add+0x30e/0xa40
[ 7825.979207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7825.979207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.979207][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.979207][   T10]      netlink_unicast+0x449/0x710
[ 7825.979207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.979207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.979207][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.979207][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.979207][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.979207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.979207][   T10] 
[ 7825.981223][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7825.981223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7825.981223][   T10]      ipv6_find_idev+0x102/0x170
[ 7825.981223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7825.981223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.981223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.981223][   T10]      netlink_unicast+0x449/0x710
[ 7825.981223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.981223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.981223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.981223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.981223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.981223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.981223][   T10] 
[ 7825.982759][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7825.982759][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7825.982759][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7825.982759][   T10]      ipv6_find_idev+0x102/0x170
[ 7825.982759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7825.982759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.982759][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.982759][   T10]      netlink_unicast+0x449/0x710
[ 7825.982759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.982759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.982759][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.982759][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.982759][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.982759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.982759][   T10] 
[ 7825.984439][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7825.984676][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7825.984676][   T10]      netdev_get_by_index+0x5e/0x80
[ 7825.984676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7825.984676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7825.984676][   T10]      ip6_route_add+0x1c/0x140
[ 7825.984676][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7825.984676][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7825.984676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7825.984676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.984676][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.984676][   T10]      netlink_unicast+0x449/0x710
[ 7825.984676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.984676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.984676][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.984676][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.984676][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.984676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.984676][   T10] 
[ 7825.986665][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7825.986665][   T10]      netdev_get_by_index+0x5e/0x80
[ 7825.986665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7825.986665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7825.986665][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7825.986665][   T10]      ipv6_add_addr+0x411/0x2000
[ 7825.986665][   T10]      inet6_addr_add+0x30e/0xa40
[ 7825.986665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7825.986665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.986665][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.986665][   T10]      netlink_unicast+0x449/0x710
[ 7825.986665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.986665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.986665][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.986665][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.986665][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.986665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.986665][   T10] 
[ 7825.988669][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7825.988669][   T10]      netdev_get_by_index+0x5e/0x80
[ 7825.988669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7825.988669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7825.988669][   T10]      ip6_route_add+0x1c/0x140
[ 7825.988669][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7825.988669][   T10]      addrconf_add_dev+0xe2/0x170
[ 7825.988669][   T10]      inet6_addr_add+0x12f/0xa40
[ 7825.988669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7825.988669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.988669][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.988669][   T10]      netlink_unicast+0x449/0x710
[ 7825.988669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.988669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.988669][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.988669][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.988669][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.988669][   T10] 
[ 7825.990627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7825.990627][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7825.990627][   T10]      ipv6_find_idev+0x102/0x170
[ 7825.990627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7825.990627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.990627][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.990627][   T10]      netlink_unicast+0x449/0x710
[ 7825.990627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.990627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.990627][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.990627][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.990627][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.990627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.990627][   T10] 
[ 7825.992160][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7825.992160][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7825.992160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7825.992160][   T10]      ipv6_find_idev+0x102/0x170
[ 7825.992160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7825.992160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7825.992160][   T10]      netlink_rcv_skb+0x130/0x360
[ 7825.992160][   T10]      netlink_unicast+0x449/0x710
[ 7825.992160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7825.992160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7825.992160][   T10]      ___sys_sendmsg+0xee/0x170
[ 7825.992160][   T10]      __sys_sendmsg+0xcd/0x170
[ 7825.992160][   T10]      do_syscall_64+0xc6/0x1e0
[ 7825.992160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7825.992160][   T10] 
[ 7828.266819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7828.267302][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7828.267302][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7828.267302][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7828.267302][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7828.267302][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7828.267302][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7828.267302][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7828.267302][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7828.267302][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7828.267302][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7828.267302][ T1078]      netlink_unicast+0x449/0x710
[ 7828.267302][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7828.267302][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7828.267302][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7828.267302][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7828.267302][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7828.267302][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7828.267302][ T1078] 
[ 7828.269585][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7828.269585][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7828.269585][ T1078]      ipv6_find_idev+0x102/0x170
[ 7828.269585][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7828.269585][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7828.269585][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7828.269585][ T1078]      netlink_unicast+0x449/0x710
[ 7828.269585][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7828.269585][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7828.269585][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7828.269585][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7828.269585][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7828.269585][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7828.269585][ T1078] 
[ 7828.271322][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7828.271322][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7828.271322][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7828.271322][ T1078]      ipv6_find_idev+0x102/0x170
[ 7828.271322][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7828.271322][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7828.271322][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7828.271322][ T1078]      netlink_unicast+0x449/0x710
[ 7828.271322][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7828.271322][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7828.271322][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7828.271322][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7828.271322][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7828.271322][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7828.271322][ T1078] 
[ 7836.234733][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7836.235136][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7836.235136][   T10]      netdev_get_by_index+0x5e/0x80
[ 7836.235136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7836.235136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7836.235136][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7836.235136][   T10]      ipv6_add_addr+0x411/0x2000
[ 7836.235136][   T10]      inet6_addr_add+0x30e/0xa40
[ 7836.235136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7836.235136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.235136][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.235136][   T10]      netlink_unicast+0x449/0x710
[ 7836.235136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.235136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.235136][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.235136][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.235136][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.235136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.235136][   T10] 
[ 7836.237160][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7836.237160][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7836.237160][   T10]      ipv6_find_idev+0x102/0x170
[ 7836.237160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7836.237160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.237160][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.237160][   T10]      netlink_unicast+0x449/0x710
[ 7836.237160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.237160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.237160][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.237160][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.237160][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.237160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.237160][   T10] 
[ 7836.238710][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7836.238710][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7836.238710][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7836.238710][   T10]      ipv6_find_idev+0x102/0x170
[ 7836.238710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7836.238710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.238710][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.238710][   T10]      netlink_unicast+0x449/0x710
[ 7836.238710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.238710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.238710][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.238710][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.238710][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.238710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.238710][   T10] 
[ 7836.240388][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7836.240627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7836.240627][   T10]      netdev_get_by_index+0x5e/0x80
[ 7836.240627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7836.240627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7836.240627][   T10]      ip6_route_add+0x1c/0x140
[ 7836.240627][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7836.240627][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7836.240627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7836.240627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.240627][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.240627][   T10]      netlink_unicast+0x449/0x710
[ 7836.240627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.240627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.240627][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.240627][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.240627][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.240627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.240627][   T10] 
[ 7836.242624][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7836.242624][   T10]      netdev_get_by_index+0x5e/0x80
[ 7836.242624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7836.242624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7836.242624][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7836.242624][   T10]      ipv6_add_addr+0x411/0x2000
[ 7836.242624][   T10]      inet6_addr_add+0x30e/0xa40
[ 7836.242624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7836.242624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.242624][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.242624][   T10]      netlink_unicast+0x449/0x710
[ 7836.242624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.242624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.242624][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.242624][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.242624][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.242624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.242624][   T10] 
[ 7836.244617][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7836.244617][   T10]      netdev_get_by_index+0x5e/0x80
[ 7836.244617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7836.244617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7836.244617][   T10]      ip6_route_add+0x1c/0x140
[ 7836.244617][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7836.244617][   T10]      addrconf_add_dev+0xe2/0x170
[ 7836.244617][   T10]      inet6_addr_add+0x12f/0xa40
[ 7836.244617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7836.244617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.244617][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.244617][   T10]      netlink_unicast+0x449/0x710
[ 7836.244617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.244617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.244617][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.244617][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.244617][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.244617][   T10] 
[ 7836.246596][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7836.246596][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7836.246596][   T10]      ipv6_find_idev+0x102/0x170
[ 7836.246596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7836.246596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.246596][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.246596][   T10]      netlink_unicast+0x449/0x710
[ 7836.246596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.246596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.246596][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.246596][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.246596][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.246596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.246596][   T10] 
[ 7836.248133][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7836.248133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7836.248133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7836.248133][   T10]      ipv6_find_idev+0x102/0x170
[ 7836.248133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7836.248133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7836.248133][   T10]      netlink_rcv_skb+0x130/0x360
[ 7836.248133][   T10]      netlink_unicast+0x449/0x710
[ 7836.248133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7836.248133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7836.248133][   T10]      ___sys_sendmsg+0xee/0x170
[ 7836.248133][   T10]      __sys_sendmsg+0xcd/0x170
[ 7836.248133][   T10]      do_syscall_64+0xc6/0x1e0
[ 7836.248133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7836.248133][   T10] 
[ 7838.522811][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7838.523293][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7838.523293][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7838.523293][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7838.523293][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7838.523293][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7838.523293][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7838.523293][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7838.523293][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7838.523293][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7838.523293][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7838.523293][ T1078]      netlink_unicast+0x449/0x710
[ 7838.523293][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7838.523293][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7838.523293][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7838.523293][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7838.523293][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7838.523293][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7838.523293][ T1078] 
[ 7838.525562][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7838.525562][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7838.525562][ T1078]      ipv6_find_idev+0x102/0x170
[ 7838.525562][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7838.525562][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7838.525562][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7838.525562][ T1078]      netlink_unicast+0x449/0x710
[ 7838.525562][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7838.525562][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7838.525562][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7838.525562][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7838.525562][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7838.525562][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7838.525562][ T1078] 
[ 7838.527821][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7838.527821][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7838.527821][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7838.527821][ T1078]      ipv6_find_idev+0x102/0x170
[ 7838.527821][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7838.527821][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7838.527821][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7838.527821][ T1078]      netlink_unicast+0x449/0x710
[ 7838.527821][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7838.527821][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7838.527821][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7838.527821][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7838.527821][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7838.527821][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7838.527821][ T1078] 
[ 7846.490865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7846.491284][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7846.491284][   T10]      netdev_get_by_index+0x5e/0x80
[ 7846.491284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7846.491284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7846.491284][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7846.491284][   T10]      ipv6_add_addr+0x411/0x2000
[ 7846.491284][   T10]      inet6_addr_add+0x30e/0xa40
[ 7846.491284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7846.491284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.491284][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.491284][   T10]      netlink_unicast+0x449/0x710
[ 7846.491284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.491284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.491284][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.491284][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.491284][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.491284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.491284][   T10] 
[ 7846.493283][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7846.493283][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7846.493283][   T10]      ipv6_find_idev+0x102/0x170
[ 7846.493283][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7846.493283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.493283][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.493283][   T10]      netlink_unicast+0x449/0x710
[ 7846.493283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.493283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.493283][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.493283][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.493283][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.493283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.493283][   T10] 
[ 7846.494818][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7846.494818][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7846.494818][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7846.494818][   T10]      ipv6_find_idev+0x102/0x170
[ 7846.494818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7846.494818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.494818][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.494818][   T10]      netlink_unicast+0x449/0x710
[ 7846.494818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.494818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.494818][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.494818][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.494818][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.494818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.494818][   T10] 
[ 7846.496518][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7846.496780][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7846.496780][   T10]      netdev_get_by_index+0x5e/0x80
[ 7846.496780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7846.496780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7846.496780][   T10]      ip6_route_add+0x1c/0x140
[ 7846.496780][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7846.496780][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7846.496780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7846.496780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.496780][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.496780][   T10]      netlink_unicast+0x449/0x710
[ 7846.496780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.496780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.496780][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.496780][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.496780][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.496780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.496780][   T10] 
[ 7846.498782][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7846.498782][   T10]      netdev_get_by_index+0x5e/0x80
[ 7846.498782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7846.498782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7846.498782][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7846.498782][   T10]      ipv6_add_addr+0x411/0x2000
[ 7846.498782][   T10]      inet6_addr_add+0x30e/0xa40
[ 7846.498782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7846.498782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.498782][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.498782][   T10]      netlink_unicast+0x449/0x710
[ 7846.498782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.498782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.498782][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.498782][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.498782][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.498782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.498782][   T10] 
[ 7846.500775][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7846.500775][   T10]      netdev_get_by_index+0x5e/0x80
[ 7846.500775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7846.500775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7846.500775][   T10]      ip6_route_add+0x1c/0x140
[ 7846.500775][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7846.500775][   T10]      addrconf_add_dev+0xe2/0x170
[ 7846.500775][   T10]      inet6_addr_add+0x12f/0xa40
[ 7846.500775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7846.500775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.500775][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.500775][   T10]      netlink_unicast+0x449/0x710
[ 7846.500775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.500775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.500775][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.500775][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.500775][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.500775][   T10] 
[ 7846.502737][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7846.502737][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7846.502737][   T10]      ipv6_find_idev+0x102/0x170
[ 7846.502737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7846.502737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.502737][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.502737][   T10]      netlink_unicast+0x449/0x710
[ 7846.502737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.502737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.502737][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.502737][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.502737][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.502737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.502737][   T10] 
[ 7846.504270][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7846.504270][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7846.504270][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7846.504270][   T10]      ipv6_find_idev+0x102/0x170
[ 7846.504270][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7846.504270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7846.504270][   T10]      netlink_rcv_skb+0x130/0x360
[ 7846.504270][   T10]      netlink_unicast+0x449/0x710
[ 7846.504270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7846.504270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7846.504270][   T10]      ___sys_sendmsg+0xee/0x170
[ 7846.504270][   T10]      __sys_sendmsg+0xcd/0x170
[ 7846.504270][   T10]      do_syscall_64+0xc6/0x1e0
[ 7846.504270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7846.504270][   T10] 
[ 7848.778818][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7848.779298][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7848.779298][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7848.779298][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7848.779298][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7848.779298][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7848.779298][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7848.779298][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7848.779298][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7848.779298][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7848.779298][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7848.779298][ T1078]      netlink_unicast+0x449/0x710
[ 7848.779298][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7848.779298][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7848.779298][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7848.779298][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7848.779298][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7848.779298][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7848.779298][ T1078] 
[ 7848.781561][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7848.781561][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7848.781561][ T1078]      ipv6_find_idev+0x102/0x170
[ 7848.781561][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7848.781561][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7848.781561][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7848.781561][ T1078]      netlink_unicast+0x449/0x710
[ 7848.781561][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7848.781561][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7848.781561][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7848.781561][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7848.781561][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7848.781561][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7848.781561][ T1078] 
[ 7848.783303][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7848.783303][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7848.783303][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7848.783303][ T1078]      ipv6_find_idev+0x102/0x170
[ 7848.783303][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7848.783303][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7848.783303][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7848.783303][ T1078]      netlink_unicast+0x449/0x710
[ 7848.783303][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7848.783303][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7848.783303][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7848.783303][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7848.783303][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7848.783303][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7848.783303][ T1078] 
[ 7856.746803][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7856.747212][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7856.747212][   T10]      netdev_get_by_index+0x5e/0x80
[ 7856.747212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7856.747212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7856.747212][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7856.747212][   T10]      ipv6_add_addr+0x411/0x2000
[ 7856.747212][   T10]      inet6_addr_add+0x30e/0xa40
[ 7856.747212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7856.747212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.747212][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.747212][   T10]      netlink_unicast+0x449/0x710
[ 7856.747212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.747212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.747212][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.747212][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.747212][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.747212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.747212][   T10] 
[ 7856.749229][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7856.749229][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7856.749229][   T10]      ipv6_find_idev+0x102/0x170
[ 7856.749229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7856.749229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.749229][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.749229][   T10]      netlink_unicast+0x449/0x710
[ 7856.749229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.749229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.749229][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.749229][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.749229][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.749229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.749229][   T10] 
[ 7856.750764][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7856.750764][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7856.750764][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7856.750764][   T10]      ipv6_find_idev+0x102/0x170
[ 7856.750764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7856.750764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.750764][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.750764][   T10]      netlink_unicast+0x449/0x710
[ 7856.750764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.750764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.750764][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.750764][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.750764][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.750764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.750764][   T10] 
[ 7856.752445][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7856.752684][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7856.752684][   T10]      netdev_get_by_index+0x5e/0x80
[ 7856.752684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7856.752684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7856.752684][   T10]      ip6_route_add+0x1c/0x140
[ 7856.752684][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7856.752684][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7856.752684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7856.752684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.752684][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.752684][   T10]      netlink_unicast+0x449/0x710
[ 7856.752684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.752684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.752684][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.752684][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.752684][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.752684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.752684][   T10] 
[ 7856.754676][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7856.754676][   T10]      netdev_get_by_index+0x5e/0x80
[ 7856.754676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7856.754676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7856.754676][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7856.754676][   T10]      ipv6_add_addr+0x411/0x2000
[ 7856.754676][   T10]      inet6_addr_add+0x30e/0xa40
[ 7856.754676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7856.754676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.754676][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.754676][   T10]      netlink_unicast+0x449/0x710
[ 7856.754676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.754676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.754676][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.754676][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.754676][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.754676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.754676][   T10] 
[ 7856.756660][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7856.756660][   T10]      netdev_get_by_index+0x5e/0x80
[ 7856.756660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7856.756660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7856.756660][   T10]      ip6_route_add+0x1c/0x140
[ 7856.756660][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7856.756660][   T10]      addrconf_add_dev+0xe2/0x170
[ 7856.756660][   T10]      inet6_addr_add+0x12f/0xa40
[ 7856.756660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7856.756660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.756660][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.756660][   T10]      netlink_unicast+0x449/0x710
[ 7856.756660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.756660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.756660][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.756660][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.756660][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.756660][   T10] 
[ 7856.758617][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7856.758617][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7856.758617][   T10]      ipv6_find_idev+0x102/0x170
[ 7856.758617][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7856.758617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.758617][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.758617][   T10]      netlink_unicast+0x449/0x710
[ 7856.758617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.758617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.758617][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.758617][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.758617][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.758617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.758617][   T10] 
[ 7856.760150][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7856.760150][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7856.760150][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7856.760150][   T10]      ipv6_find_idev+0x102/0x170
[ 7856.760150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7856.760150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7856.760150][   T10]      netlink_rcv_skb+0x130/0x360
[ 7856.760150][   T10]      netlink_unicast+0x449/0x710
[ 7856.760150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7856.760150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7856.760150][   T10]      ___sys_sendmsg+0xee/0x170
[ 7856.760150][   T10]      __sys_sendmsg+0xcd/0x170
[ 7856.760150][   T10]      do_syscall_64+0xc6/0x1e0
[ 7856.760150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7856.760150][   T10] 
[ 7859.034830][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7859.035306][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7859.035306][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7859.035306][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7859.035306][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7859.035306][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7859.035306][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7859.035306][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7859.035306][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7859.035306][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7859.035306][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7859.035306][ T1078]      netlink_unicast+0x449/0x710
[ 7859.035306][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7859.035306][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7859.035306][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7859.035306][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7859.035306][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7859.035306][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7859.035306][ T1078] 
[ 7859.037583][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7859.037583][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7859.037583][ T1078]      ipv6_find_idev+0x102/0x170
[ 7859.037583][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7859.037583][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7859.037583][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7859.037583][ T1078]      netlink_unicast+0x449/0x710
[ 7859.037583][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7859.037583][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7859.037583][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7859.037583][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7859.037583][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7859.037583][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7859.037583][ T1078] 
[ 7859.039324][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7859.039324][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7859.039324][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7859.039324][ T1078]      ipv6_find_idev+0x102/0x170
[ 7859.039324][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7859.039324][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7859.039324][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7859.039324][ T1078]      netlink_unicast+0x449/0x710
[ 7859.039324][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7859.039324][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7859.039324][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7859.039324][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7859.039324][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7859.039324][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7859.039324][ T1078] 
[ 7865.642764][   T42] INFO: task modprobe:1347 blocked for more than 491 seconds.
[ 7865.643077][   T42]       Not tainted 6.8.0-virtme #1
[ 7865.643203][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 7865.643402][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 7865.643649][   T42] Call Trace:
[ 7865.643769][   T42]  <TASK>
[ 7865.643840][   T42]  __schedule+0x705/0x1ac0
[ 7865.643978][   T42]  ? __pfx___schedule+0x10/0x10
[ 7865.644104][   T42]  ? schedule+0x1a5/0x210
[ 7865.644202][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7865.644331][   T42]  ? mark_lock+0x38/0x3e0
[ 7865.644425][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 7865.644555][   T42]  ? schedule+0x1a5/0x210
[ 7865.644653][   T42]  schedule+0xdf/0x210
[ 7865.644767][   T42]  schedule_preempt_disabled+0x15/0x30
[ 7865.644890][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 7865.645020][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 7865.645172][   T42]  ? kasan_save_stack+0x34/0x50
[ 7865.645298][   T42]  ? kasan_save_stack+0x24/0x50
[ 7865.645421][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7865.645557][   T42]  ? lock_acquire+0x1c1/0x220
[ 7865.645691][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 7865.645826][   T42]  down_write+0x1c9/0x200
[ 7865.645921][   T42]  ? __pfx_down_write+0x10/0x10
[ 7865.646044][   T42]  ? __pfx___lock_release+0x10/0x10
[ 7865.646172][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 7865.646362][   T42]  register_pernet_subsys+0x1a/0x50
[ 7865.646490][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 7865.646672][   T42]  do_one_initcall+0xc8/0x3f0
[ 7865.646809][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 7865.646936][   T42]  ? __create_object+0x5e/0xb0
[ 7865.647065][   T42]  ? kasan_unpoison+0x27/0x60
[ 7865.647193][   T42]  do_init_module+0x233/0x740
[ 7865.647357][   T42]  load_module+0x16b5/0x2350
[ 7865.647492][   T42]  ? __pfx_load_module+0x10/0x10
[ 7865.647617][   T42]  ? kernel_read_file+0x3d2/0x520
[ 7865.647756][   T42]  ? kernel_read_file+0x300/0x520
[ 7865.647885][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 7865.648016][   T42]  ? init_module_from_file+0xd2/0x130
[ 7865.648142][   T42]  init_module_from_file+0xd2/0x130
[ 7865.648265][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 7865.648418][   T42]  ? __lock_release+0x103/0x460
[ 7865.648540][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7865.648675][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7865.648812][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 7865.648941][   T42]  idempotent_init_module+0x342/0x620
[ 7865.649066][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 7865.649239][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 7865.649365][   T42]  do_syscall_64+0xc6/0x1e0
[ 7865.649491][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7865.649644][   T42] RIP: 0033:0x7f688a3aae5d
[ 7865.649783][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 7865.649970][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 7865.650151][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 7865.650333][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 7865.650516][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 7865.650710][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 7865.650908][   T42]  </TASK>
[ 7865.651000][   T42] 
[ 7865.651000][   T42] Showing all locks held in the system:
[ 7865.651172][   T42] 3 locks held by kworker/u16:0/10:
[ 7865.651294][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7865.651541][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7865.651768][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 7865.651988][   T42] 1 lock held by khungtaskd/42:
[ 7865.652109][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 7865.652326][   T42] 2 locks held by kworker/u19:1/60:
[ 7865.652444][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7865.652697][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7865.652977][   T42] 1 lock held by modprobe/1347:
[ 7865.653094][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 7865.653338][   T42] 
[ 7865.653399][   T42] =============================================
[ 7865.653399][   T42] 
[ 7867.002797][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7867.003163][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7867.003163][   T10]      netdev_get_by_index+0x5e/0x80
[ 7867.003163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7867.003163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7867.003163][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7867.003163][   T10]      ipv6_add_addr+0x411/0x2000
[ 7867.003163][   T10]      inet6_addr_add+0x30e/0xa40
[ 7867.003163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7867.003163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.003163][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.003163][   T10]      netlink_unicast+0x449/0x710
[ 7867.003163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.003163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.003163][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.003163][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.003163][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.003163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.003163][   T10] 
[ 7867.005164][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7867.005164][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7867.005164][   T10]      ipv6_find_idev+0x102/0x170
[ 7867.005164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7867.005164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.005164][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.005164][   T10]      netlink_unicast+0x449/0x710
[ 7867.005164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.005164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.005164][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.005164][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.005164][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.005164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.005164][   T10] 
[ 7867.006695][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7867.006695][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7867.006695][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7867.006695][   T10]      ipv6_find_idev+0x102/0x170
[ 7867.006695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7867.006695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.006695][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.006695][   T10]      netlink_unicast+0x449/0x710
[ 7867.006695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.006695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.006695][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.006695][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.006695][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.006695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.006695][   T10] 
[ 7867.008393][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7867.008638][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7867.008638][   T10]      netdev_get_by_index+0x5e/0x80
[ 7867.008638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7867.008638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7867.008638][   T10]      ip6_route_add+0x1c/0x140
[ 7867.008638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7867.008638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7867.008638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7867.008638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.008638][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.008638][   T10]      netlink_unicast+0x449/0x710
[ 7867.008638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.008638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.008638][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.008638][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.008638][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.008638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.008638][   T10] 
[ 7867.010622][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7867.010622][   T10]      netdev_get_by_index+0x5e/0x80
[ 7867.010622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7867.010622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7867.010622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7867.010622][   T10]      ipv6_add_addr+0x411/0x2000
[ 7867.010622][   T10]      inet6_addr_add+0x30e/0xa40
[ 7867.010622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7867.010622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.010622][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.010622][   T10]      netlink_unicast+0x449/0x710
[ 7867.010622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.010622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.010622][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.010622][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.010622][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.010622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.010622][   T10] 
[ 7867.012607][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7867.012607][   T10]      netdev_get_by_index+0x5e/0x80
[ 7867.012607][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7867.012607][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7867.012607][   T10]      ip6_route_add+0x1c/0x140
[ 7867.012607][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7867.012607][   T10]      addrconf_add_dev+0xe2/0x170
[ 7867.012607][   T10]      inet6_addr_add+0x12f/0xa40
[ 7867.012607][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7867.012607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.012607][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.012607][   T10]      netlink_unicast+0x449/0x710
[ 7867.012607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.012607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.012607][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.012607][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.012607][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.012607][   T10] 
[ 7867.014554][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7867.014554][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7867.014554][   T10]      ipv6_find_idev+0x102/0x170
[ 7867.014554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7867.014554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.014554][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.014554][   T10]      netlink_unicast+0x449/0x710
[ 7867.014554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.014554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.014554][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.014554][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.014554][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.014554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.014554][   T10] 
[ 7867.016081][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7867.016081][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7867.016081][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7867.016081][   T10]      ipv6_find_idev+0x102/0x170
[ 7867.016081][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7867.016081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7867.016081][   T10]      netlink_rcv_skb+0x130/0x360
[ 7867.016081][   T10]      netlink_unicast+0x449/0x710
[ 7867.016081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7867.016081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7867.016081][   T10]      ___sys_sendmsg+0xee/0x170
[ 7867.016081][   T10]      __sys_sendmsg+0xcd/0x170
[ 7867.016081][   T10]      do_syscall_64+0xc6/0x1e0
[ 7867.016081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7867.016081][   T10] 
[ 7869.290800][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7869.291283][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7869.291283][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7869.291283][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7869.291283][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7869.291283][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7869.291283][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7869.291283][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7869.291283][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7869.291283][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7869.291283][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7869.291283][ T1078]      netlink_unicast+0x449/0x710
[ 7869.291283][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7869.291283][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7869.291283][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7869.291283][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7869.291283][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7869.291283][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7869.291283][ T1078] 
[ 7869.293547][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7869.293547][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7869.293547][ T1078]      ipv6_find_idev+0x102/0x170
[ 7869.293547][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7869.293547][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7869.293547][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7869.293547][ T1078]      netlink_unicast+0x449/0x710
[ 7869.293547][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7869.293547][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7869.293547][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7869.293547][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7869.293547][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7869.293547][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7869.293547][ T1078] 
[ 7869.295290][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7869.295290][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7869.295290][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7869.295290][ T1078]      ipv6_find_idev+0x102/0x170
[ 7869.295290][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7869.295290][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7869.295290][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7869.295290][ T1078]      netlink_unicast+0x449/0x710
[ 7869.295290][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7869.295290][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7869.295290][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7869.295290][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7869.295290][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7869.295290][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7869.295290][ T1078] 
[ 7877.258805][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7877.259223][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7877.259223][   T10]      netdev_get_by_index+0x5e/0x80
[ 7877.259223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7877.259223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7877.259223][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7877.259223][   T10]      ipv6_add_addr+0x411/0x2000
[ 7877.259223][   T10]      inet6_addr_add+0x30e/0xa40
[ 7877.259223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7877.259223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.259223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.259223][   T10]      netlink_unicast+0x449/0x710
[ 7877.259223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.259223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.259223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.259223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.259223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.259223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.259223][   T10] 
[ 7877.261248][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7877.261248][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7877.261248][   T10]      ipv6_find_idev+0x102/0x170
[ 7877.261248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7877.261248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.261248][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.261248][   T10]      netlink_unicast+0x449/0x710
[ 7877.261248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.261248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.261248][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.261248][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.261248][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.261248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.261248][   T10] 
[ 7877.262789][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7877.262789][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7877.262789][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7877.262789][   T10]      ipv6_find_idev+0x102/0x170
[ 7877.262789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7877.262789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.262789][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.262789][   T10]      netlink_unicast+0x449/0x710
[ 7877.262789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.262789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.262789][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.262789][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.262789][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.262789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.262789][   T10] 
[ 7877.264486][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7877.264733][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7877.264733][   T10]      netdev_get_by_index+0x5e/0x80
[ 7877.264733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7877.264733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7877.264733][   T10]      ip6_route_add+0x1c/0x140
[ 7877.264733][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7877.264733][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7877.264733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7877.264733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.264733][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.264733][   T10]      netlink_unicast+0x449/0x710
[ 7877.264733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.264733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.264733][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.264733][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.264733][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.264733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.264733][   T10] 
[ 7877.266729][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7877.266729][   T10]      netdev_get_by_index+0x5e/0x80
[ 7877.266729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7877.266729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7877.266729][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7877.266729][   T10]      ipv6_add_addr+0x411/0x2000
[ 7877.266729][   T10]      inet6_addr_add+0x30e/0xa40
[ 7877.266729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7877.266729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.266729][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.266729][   T10]      netlink_unicast+0x449/0x710
[ 7877.266729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.266729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.266729][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.266729][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.266729][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.266729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.266729][   T10] 
[ 7877.268747][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7877.268747][   T10]      netdev_get_by_index+0x5e/0x80
[ 7877.268747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7877.268747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7877.268747][   T10]      ip6_route_add+0x1c/0x140
[ 7877.268747][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7877.268747][   T10]      addrconf_add_dev+0xe2/0x170
[ 7877.268747][   T10]      inet6_addr_add+0x12f/0xa40
[ 7877.268747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7877.268747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.268747][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.268747][   T10]      netlink_unicast+0x449/0x710
[ 7877.268747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.268747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.268747][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.268747][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.268747][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.268747][   T10] 
[ 7877.270697][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7877.270697][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7877.270697][   T10]      ipv6_find_idev+0x102/0x170
[ 7877.270697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7877.270697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.270697][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.270697][   T10]      netlink_unicast+0x449/0x710
[ 7877.270697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.270697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.270697][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.270697][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.270697][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.270697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.270697][   T10] 
[ 7877.272229][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7877.272229][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7877.272229][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7877.272229][   T10]      ipv6_find_idev+0x102/0x170
[ 7877.272229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7877.272229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7877.272229][   T10]      netlink_rcv_skb+0x130/0x360
[ 7877.272229][   T10]      netlink_unicast+0x449/0x710
[ 7877.272229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7877.272229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7877.272229][   T10]      ___sys_sendmsg+0xee/0x170
[ 7877.272229][   T10]      __sys_sendmsg+0xcd/0x170
[ 7877.272229][   T10]      do_syscall_64+0xc6/0x1e0
[ 7877.272229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7877.272229][   T10] 
[ 7879.546805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7879.547298][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7879.547298][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7879.547298][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7879.547298][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7879.547298][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7879.547298][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7879.547298][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7879.547298][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7879.547298][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7879.547298][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7879.547298][ T1078]      netlink_unicast+0x449/0x710
[ 7879.547298][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7879.547298][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7879.547298][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7879.547298][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7879.547298][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7879.547298][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7879.547298][ T1078] 
[ 7879.549560][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7879.549560][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7879.549560][ T1078]      ipv6_find_idev+0x102/0x170
[ 7879.549560][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7879.549560][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7879.549560][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7879.549560][ T1078]      netlink_unicast+0x449/0x710
[ 7879.549560][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7879.549560][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7879.549560][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7879.549560][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7879.549560][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7879.549560][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7879.549560][ T1078] 
[ 7879.551289][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7879.551289][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7879.551289][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7879.551289][ T1078]      ipv6_find_idev+0x102/0x170
[ 7879.551289][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7879.551289][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7879.551289][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7879.551289][ T1078]      netlink_unicast+0x449/0x710
[ 7879.551289][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7879.551289][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7879.551289][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7879.551289][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7879.551289][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7879.551289][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7879.551289][ T1078] 
[ 7887.514798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7887.515216][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7887.515216][   T10]      netdev_get_by_index+0x5e/0x80
[ 7887.515216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7887.515216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7887.515216][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7887.515216][   T10]      ipv6_add_addr+0x411/0x2000
[ 7887.515216][   T10]      inet6_addr_add+0x30e/0xa40
[ 7887.515216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7887.515216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.515216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.515216][   T10]      netlink_unicast+0x449/0x710
[ 7887.515216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.515216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.515216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.515216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.515216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.515216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.515216][   T10] 
[ 7887.517240][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7887.517240][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7887.517240][   T10]      ipv6_find_idev+0x102/0x170
[ 7887.517240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7887.517240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.517240][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.517240][   T10]      netlink_unicast+0x449/0x710
[ 7887.517240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.517240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.517240][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.517240][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.517240][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.517240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.517240][   T10] 
[ 7887.519323][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7887.519323][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7887.519323][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7887.519323][   T10]      ipv6_find_idev+0x102/0x170
[ 7887.519323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7887.519323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.519323][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.519323][   T10]      netlink_unicast+0x449/0x710
[ 7887.519323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.519323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.519323][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.519323][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.519323][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.519323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.519323][   T10] 
[ 7887.521006][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7887.521250][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7887.521250][   T10]      netdev_get_by_index+0x5e/0x80
[ 7887.521250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7887.521250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7887.521250][   T10]      ip6_route_add+0x1c/0x140
[ 7887.521250][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7887.521250][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7887.521250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7887.521250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.521250][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.521250][   T10]      netlink_unicast+0x449/0x710
[ 7887.521250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.521250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.521250][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.521250][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.521250][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.521250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.521250][   T10] 
[ 7887.523247][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7887.523247][   T10]      netdev_get_by_index+0x5e/0x80
[ 7887.523247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7887.523247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7887.523247][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7887.523247][   T10]      ipv6_add_addr+0x411/0x2000
[ 7887.523247][   T10]      inet6_addr_add+0x30e/0xa40
[ 7887.523247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7887.523247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.523247][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.523247][   T10]      netlink_unicast+0x449/0x710
[ 7887.523247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.523247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.523247][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.523247][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.523247][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.523247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.523247][   T10] 
[ 7887.525238][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7887.525238][   T10]      netdev_get_by_index+0x5e/0x80
[ 7887.525238][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7887.525238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7887.525238][   T10]      ip6_route_add+0x1c/0x140
[ 7887.525238][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7887.525238][   T10]      addrconf_add_dev+0xe2/0x170
[ 7887.525238][   T10]      inet6_addr_add+0x12f/0xa40
[ 7887.525238][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7887.525238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.525238][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.525238][   T10]      netlink_unicast+0x449/0x710
[ 7887.525238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.525238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.525238][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.525238][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.525238][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.525238][   T10] 
[ 7887.527202][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7887.527202][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7887.527202][   T10]      ipv6_find_idev+0x102/0x170
[ 7887.527202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7887.527202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.527202][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.527202][   T10]      netlink_unicast+0x449/0x710
[ 7887.527202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.527202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.527202][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.527202][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.527202][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.527202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.527202][   T10] 
[ 7887.528739][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7887.528739][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7887.528739][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7887.528739][   T10]      ipv6_find_idev+0x102/0x170
[ 7887.528739][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7887.528739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7887.528739][   T10]      netlink_rcv_skb+0x130/0x360
[ 7887.528739][   T10]      netlink_unicast+0x449/0x710
[ 7887.528739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7887.528739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7887.528739][   T10]      ___sys_sendmsg+0xee/0x170
[ 7887.528739][   T10]      __sys_sendmsg+0xcd/0x170
[ 7887.528739][   T10]      do_syscall_64+0xc6/0x1e0
[ 7887.528739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7887.528739][   T10] 
[ 7889.802802][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7889.803280][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7889.803280][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7889.803280][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7889.803280][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7889.803280][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7889.803280][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7889.803280][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7889.803280][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7889.803280][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7889.803280][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7889.803280][ T1078]      netlink_unicast+0x449/0x710
[ 7889.803280][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7889.803280][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7889.803280][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7889.803280][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7889.803280][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7889.803280][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7889.803280][ T1078] 
[ 7889.805554][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7889.805554][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7889.805554][ T1078]      ipv6_find_idev+0x102/0x170
[ 7889.805554][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7889.805554][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7889.805554][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7889.805554][ T1078]      netlink_unicast+0x449/0x710
[ 7889.805554][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7889.805554][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7889.805554][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7889.805554][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7889.805554][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7889.805554][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7889.805554][ T1078] 
[ 7889.807287][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7889.807287][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7889.807287][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7889.807287][ T1078]      ipv6_find_idev+0x102/0x170
[ 7889.807287][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7889.807287][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7889.807287][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7889.807287][ T1078]      netlink_unicast+0x449/0x710
[ 7889.807287][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7889.807287][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7889.807287][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7889.807287][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7889.807287][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7889.807287][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7889.807287][ T1078] 
[ 7897.770805][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7897.771214][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7897.771214][   T10]      netdev_get_by_index+0x5e/0x80
[ 7897.771214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7897.771214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7897.771214][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7897.771214][   T10]      ipv6_add_addr+0x411/0x2000
[ 7897.771214][   T10]      inet6_addr_add+0x30e/0xa40
[ 7897.771214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7897.771214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.771214][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.771214][   T10]      netlink_unicast+0x449/0x710
[ 7897.771214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.771214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.771214][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.771214][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.771214][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.771214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.771214][   T10] 
[ 7897.773222][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7897.773222][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7897.773222][   T10]      ipv6_find_idev+0x102/0x170
[ 7897.773222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7897.773222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.773222][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.773222][   T10]      netlink_unicast+0x449/0x710
[ 7897.773222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.773222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.773222][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.773222][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.773222][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.773222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.773222][   T10] 
[ 7897.774755][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7897.774755][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7897.774755][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7897.774755][   T10]      ipv6_find_idev+0x102/0x170
[ 7897.774755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7897.774755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.774755][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.774755][   T10]      netlink_unicast+0x449/0x710
[ 7897.774755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.774755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.774755][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.774755][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.774755][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.774755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.774755][   T10] 
[ 7897.776440][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7897.776688][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7897.776688][   T10]      netdev_get_by_index+0x5e/0x80
[ 7897.776688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7897.776688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7897.776688][   T10]      ip6_route_add+0x1c/0x140
[ 7897.776688][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7897.776688][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7897.776688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7897.776688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.776688][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.776688][   T10]      netlink_unicast+0x449/0x710
[ 7897.776688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.776688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.776688][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.776688][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.776688][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.776688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.776688][   T10] 
[ 7897.778698][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7897.778698][   T10]      netdev_get_by_index+0x5e/0x80
[ 7897.778698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7897.778698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7897.778698][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7897.778698][   T10]      ipv6_add_addr+0x411/0x2000
[ 7897.778698][   T10]      inet6_addr_add+0x30e/0xa40
[ 7897.778698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7897.778698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.778698][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.778698][   T10]      netlink_unicast+0x449/0x710
[ 7897.778698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.778698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.778698][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.778698][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.778698][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.778698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.778698][   T10] 
[ 7897.780680][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7897.780680][   T10]      netdev_get_by_index+0x5e/0x80
[ 7897.780680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7897.780680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7897.780680][   T10]      ip6_route_add+0x1c/0x140
[ 7897.780680][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7897.780680][   T10]      addrconf_add_dev+0xe2/0x170
[ 7897.780680][   T10]      inet6_addr_add+0x12f/0xa40
[ 7897.780680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7897.780680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.780680][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.780680][   T10]      netlink_unicast+0x449/0x710
[ 7897.780680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.780680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.780680][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.780680][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.780680][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.780680][   T10] 
[ 7897.782632][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7897.782632][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7897.782632][   T10]      ipv6_find_idev+0x102/0x170
[ 7897.782632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7897.782632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.782632][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.782632][   T10]      netlink_unicast+0x449/0x710
[ 7897.782632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.782632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.782632][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.782632][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.782632][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.782632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.782632][   T10] 
[ 7897.784168][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7897.784168][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7897.784168][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7897.784168][   T10]      ipv6_find_idev+0x102/0x170
[ 7897.784168][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7897.784168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7897.784168][   T10]      netlink_rcv_skb+0x130/0x360
[ 7897.784168][   T10]      netlink_unicast+0x449/0x710
[ 7897.784168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7897.784168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7897.784168][   T10]      ___sys_sendmsg+0xee/0x170
[ 7897.784168][   T10]      __sys_sendmsg+0xcd/0x170
[ 7897.784168][   T10]      do_syscall_64+0xc6/0x1e0
[ 7897.784168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7897.784168][   T10] 
[ 7900.058806][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7900.059299][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7900.059299][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7900.059299][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7900.059299][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7900.059299][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7900.059299][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7900.059299][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7900.059299][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7900.059299][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7900.059299][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7900.059299][ T1078]      netlink_unicast+0x449/0x710
[ 7900.059299][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7900.059299][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7900.059299][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7900.059299][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7900.059299][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7900.059299][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7900.059299][ T1078] 
[ 7900.061567][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7900.061567][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7900.061567][ T1078]      ipv6_find_idev+0x102/0x170
[ 7900.061567][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7900.061567][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7900.061567][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7900.061567][ T1078]      netlink_unicast+0x449/0x710
[ 7900.061567][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7900.061567][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7900.061567][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7900.061567][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7900.061567][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7900.061567][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7900.061567][ T1078] 
[ 7900.063301][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7900.063301][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7900.063301][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7900.063301][ T1078]      ipv6_find_idev+0x102/0x170
[ 7900.063301][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7900.063301][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7900.063301][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7900.063301][ T1078]      netlink_unicast+0x449/0x710
[ 7900.063301][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7900.063301][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7900.063301][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7900.063301][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7900.063301][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7900.063301][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7900.063301][ T1078] 
[ 7908.026791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7908.027211][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7908.027211][   T10]      netdev_get_by_index+0x5e/0x80
[ 7908.027211][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7908.027211][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7908.027211][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7908.027211][   T10]      ipv6_add_addr+0x411/0x2000
[ 7908.027211][   T10]      inet6_addr_add+0x30e/0xa40
[ 7908.027211][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7908.027211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.027211][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.027211][   T10]      netlink_unicast+0x449/0x710
[ 7908.027211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.027211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.027211][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.027211][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.027211][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.027211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.027211][   T10] 
[ 7908.029221][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7908.029221][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7908.029221][   T10]      ipv6_find_idev+0x102/0x170
[ 7908.029221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7908.029221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.029221][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.029221][   T10]      netlink_unicast+0x449/0x710
[ 7908.029221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.029221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.029221][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.029221][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.029221][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.029221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.029221][   T10] 
[ 7908.030759][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7908.030759][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7908.030759][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7908.030759][   T10]      ipv6_find_idev+0x102/0x170
[ 7908.030759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7908.030759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.030759][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.030759][   T10]      netlink_unicast+0x449/0x710
[ 7908.030759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.030759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.030759][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.030759][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.030759][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.030759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.030759][   T10] 
[ 7908.032444][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7908.032694][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7908.032694][   T10]      netdev_get_by_index+0x5e/0x80
[ 7908.032694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7908.032694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7908.032694][   T10]      ip6_route_add+0x1c/0x140
[ 7908.032694][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7908.032694][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7908.032694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7908.032694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.032694][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.032694][   T10]      netlink_unicast+0x449/0x710
[ 7908.032694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.032694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.032694][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.032694][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.032694][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.032694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.032694][   T10] 
[ 7908.034680][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7908.034680][   T10]      netdev_get_by_index+0x5e/0x80
[ 7908.034680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7908.034680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7908.034680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7908.034680][   T10]      ipv6_add_addr+0x411/0x2000
[ 7908.034680][   T10]      inet6_addr_add+0x30e/0xa40
[ 7908.034680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7908.034680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.034680][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.034680][   T10]      netlink_unicast+0x449/0x710
[ 7908.034680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.034680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.034680][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.034680][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.034680][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.034680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.034680][   T10] 
[ 7908.036679][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7908.036679][   T10]      netdev_get_by_index+0x5e/0x80
[ 7908.036679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7908.036679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7908.036679][   T10]      ip6_route_add+0x1c/0x140
[ 7908.036679][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7908.036679][   T10]      addrconf_add_dev+0xe2/0x170
[ 7908.036679][   T10]      inet6_addr_add+0x12f/0xa40
[ 7908.036679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7908.036679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.036679][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.036679][   T10]      netlink_unicast+0x449/0x710
[ 7908.036679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.036679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.036679][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.036679][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.036679][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.036679][   T10] 
[ 7908.038643][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7908.038643][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7908.038643][   T10]      ipv6_find_idev+0x102/0x170
[ 7908.038643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7908.038643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.038643][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.038643][   T10]      netlink_unicast+0x449/0x710
[ 7908.038643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.038643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.038643][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.038643][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.038643][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.038643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.038643][   T10] 
[ 7908.040184][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7908.040184][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7908.040184][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7908.040184][   T10]      ipv6_find_idev+0x102/0x170
[ 7908.040184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7908.040184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7908.040184][   T10]      netlink_rcv_skb+0x130/0x360
[ 7908.040184][   T10]      netlink_unicast+0x449/0x710
[ 7908.040184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7908.040184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7908.040184][   T10]      ___sys_sendmsg+0xee/0x170
[ 7908.040184][   T10]      __sys_sendmsg+0xcd/0x170
[ 7908.040184][   T10]      do_syscall_64+0xc6/0x1e0
[ 7908.040184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7908.040184][   T10] 
[ 7910.314888][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7910.315382][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7910.315382][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7910.315382][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7910.315382][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7910.315382][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7910.315382][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7910.315382][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7910.315382][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7910.315382][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7910.315382][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7910.315382][ T1078]      netlink_unicast+0x449/0x710
[ 7910.315382][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7910.315382][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7910.315382][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7910.315382][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7910.315382][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7910.315382][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7910.315382][ T1078] 
[ 7910.317660][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7910.317660][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7910.317660][ T1078]      ipv6_find_idev+0x102/0x170
[ 7910.317660][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7910.317660][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7910.317660][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7910.317660][ T1078]      netlink_unicast+0x449/0x710
[ 7910.317660][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7910.317660][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7910.317660][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7910.317660][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7910.317660][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7910.317660][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7910.317660][ T1078] 
[ 7910.319394][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7910.319394][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7910.319394][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7910.319394][ T1078]      ipv6_find_idev+0x102/0x170
[ 7910.319394][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7910.319394][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7910.319394][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7910.319394][ T1078]      netlink_unicast+0x449/0x710
[ 7910.319394][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7910.319394][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7910.319394][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7910.319394][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7910.319394][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7910.319394][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7910.319394][ T1078] 
[ 7918.282804][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7918.283211][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7918.283211][   T10]      netdev_get_by_index+0x5e/0x80
[ 7918.283211][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7918.283211][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7918.283211][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7918.283211][   T10]      ipv6_add_addr+0x411/0x2000
[ 7918.283211][   T10]      inet6_addr_add+0x30e/0xa40
[ 7918.283211][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7918.283211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.283211][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.283211][   T10]      netlink_unicast+0x449/0x710
[ 7918.283211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.283211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.283211][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.283211][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.283211][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.283211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.283211][   T10] 
[ 7918.285223][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7918.285223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7918.285223][   T10]      ipv6_find_idev+0x102/0x170
[ 7918.285223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7918.285223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.285223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.285223][   T10]      netlink_unicast+0x449/0x710
[ 7918.285223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.285223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.285223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.285223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.285223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.285223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.285223][   T10] 
[ 7918.286757][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7918.286757][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7918.286757][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7918.286757][   T10]      ipv6_find_idev+0x102/0x170
[ 7918.286757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7918.286757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.286757][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.286757][   T10]      netlink_unicast+0x449/0x710
[ 7918.286757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.286757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.286757][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.286757][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.286757][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.286757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.286757][   T10] 
[ 7918.288445][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7918.288691][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7918.288691][   T10]      netdev_get_by_index+0x5e/0x80
[ 7918.288691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7918.288691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7918.288691][   T10]      ip6_route_add+0x1c/0x140
[ 7918.288691][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7918.288691][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7918.288691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7918.288691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.288691][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.288691][   T10]      netlink_unicast+0x449/0x710
[ 7918.288691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.288691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.288691][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.288691][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.288691][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.288691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.288691][   T10] 
[ 7918.290679][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7918.290679][   T10]      netdev_get_by_index+0x5e/0x80
[ 7918.290679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7918.290679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7918.290679][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7918.290679][   T10]      ipv6_add_addr+0x411/0x2000
[ 7918.290679][   T10]      inet6_addr_add+0x30e/0xa40
[ 7918.290679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7918.290679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.290679][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.290679][   T10]      netlink_unicast+0x449/0x710
[ 7918.290679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.290679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.290679][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.290679][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.290679][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.290679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.290679][   T10] 
[ 7918.292674][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7918.292674][   T10]      netdev_get_by_index+0x5e/0x80
[ 7918.292674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7918.292674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7918.292674][   T10]      ip6_route_add+0x1c/0x140
[ 7918.292674][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7918.292674][   T10]      addrconf_add_dev+0xe2/0x170
[ 7918.292674][   T10]      inet6_addr_add+0x12f/0xa40
[ 7918.292674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7918.292674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.292674][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.292674][   T10]      netlink_unicast+0x449/0x710
[ 7918.292674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.292674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.292674][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.292674][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.292674][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.292674][   T10] 
[ 7918.294630][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7918.294630][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7918.294630][   T10]      ipv6_find_idev+0x102/0x170
[ 7918.294630][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7918.294630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.294630][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.294630][   T10]      netlink_unicast+0x449/0x710
[ 7918.294630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.294630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.294630][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.294630][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.294630][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.294630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.294630][   T10] 
[ 7918.296163][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7918.296163][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7918.296163][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7918.296163][   T10]      ipv6_find_idev+0x102/0x170
[ 7918.296163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7918.296163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7918.296163][   T10]      netlink_rcv_skb+0x130/0x360
[ 7918.296163][   T10]      netlink_unicast+0x449/0x710
[ 7918.296163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7918.296163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7918.296163][   T10]      ___sys_sendmsg+0xee/0x170
[ 7918.296163][   T10]      __sys_sendmsg+0xcd/0x170
[ 7918.296163][   T10]      do_syscall_64+0xc6/0x1e0
[ 7918.296163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7918.296163][   T10] 
[ 7920.570797][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7920.571284][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7920.571284][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7920.571284][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7920.571284][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7920.571284][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7920.571284][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7920.571284][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7920.571284][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7920.571284][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7920.571284][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7920.571284][ T1078]      netlink_unicast+0x449/0x710
[ 7920.571284][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7920.571284][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7920.571284][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7920.571284][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7920.571284][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7920.571284][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7920.571284][ T1078] 
[ 7920.573547][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7920.573547][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7920.573547][ T1078]      ipv6_find_idev+0x102/0x170
[ 7920.573547][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7920.573547][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7920.573547][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7920.573547][ T1078]      netlink_unicast+0x449/0x710
[ 7920.573547][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7920.573547][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7920.573547][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7920.573547][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7920.573547][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7920.573547][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7920.573547][ T1078] 
[ 7920.575277][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7920.575277][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7920.575277][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7920.575277][ T1078]      ipv6_find_idev+0x102/0x170
[ 7920.575277][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7920.575277][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7920.575277][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7920.575277][ T1078]      netlink_unicast+0x449/0x710
[ 7920.575277][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7920.575277][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7920.575277][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7920.575277][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7920.575277][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7920.575277][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7920.575277][ T1078] 
[ 7928.538795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7928.539288][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7928.539288][   T10]      netdev_get_by_index+0x5e/0x80
[ 7928.539288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7928.539288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7928.539288][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7928.539288][   T10]      ipv6_add_addr+0x411/0x2000
[ 7928.539288][   T10]      inet6_addr_add+0x30e/0xa40
[ 7928.539288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7928.539288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.539288][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.539288][   T10]      netlink_unicast+0x449/0x710
[ 7928.539288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.539288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.539288][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.539288][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.539288][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.539288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.539288][   T10] 
[ 7928.541305][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7928.541305][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7928.541305][   T10]      ipv6_find_idev+0x102/0x170
[ 7928.541305][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7928.541305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.541305][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.541305][   T10]      netlink_unicast+0x449/0x710
[ 7928.541305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.541305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.541305][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.541305][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.541305][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.541305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.541305][   T10] 
[ 7928.542839][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7928.542839][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7928.542839][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7928.542839][   T10]      ipv6_find_idev+0x102/0x170
[ 7928.542839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7928.542839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.542839][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.542839][   T10]      netlink_unicast+0x449/0x710
[ 7928.542839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.542839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.542839][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.542839][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.542839][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.542839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.542839][   T10] 
[ 7928.544530][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7928.544796][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7928.544796][   T10]      netdev_get_by_index+0x5e/0x80
[ 7928.544796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7928.544796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7928.544796][   T10]      ip6_route_add+0x1c/0x140
[ 7928.544796][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7928.544796][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7928.544796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7928.544796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.544796][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.544796][   T10]      netlink_unicast+0x449/0x710
[ 7928.544796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.544796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.544796][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.544796][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.544796][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.544796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.544796][   T10] 
[ 7928.546791][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7928.546791][   T10]      netdev_get_by_index+0x5e/0x80
[ 7928.546791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7928.546791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7928.546791][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7928.546791][   T10]      ipv6_add_addr+0x411/0x2000
[ 7928.546791][   T10]      inet6_addr_add+0x30e/0xa40
[ 7928.546791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7928.546791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.546791][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.546791][   T10]      netlink_unicast+0x449/0x710
[ 7928.546791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.546791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.546791][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.546791][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.546791][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.546791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.546791][   T10] 
[ 7928.548797][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7928.548797][   T10]      netdev_get_by_index+0x5e/0x80
[ 7928.548797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7928.548797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7928.548797][   T10]      ip6_route_add+0x1c/0x140
[ 7928.548797][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7928.548797][   T10]      addrconf_add_dev+0xe2/0x170
[ 7928.548797][   T10]      inet6_addr_add+0x12f/0xa40
[ 7928.548797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7928.548797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.548797][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.548797][   T10]      netlink_unicast+0x449/0x710
[ 7928.548797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.548797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.548797][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.548797][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.548797][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.548797][   T10] 
[ 7928.550751][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7928.550751][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7928.550751][   T10]      ipv6_find_idev+0x102/0x170
[ 7928.550751][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7928.550751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.550751][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.550751][   T10]      netlink_unicast+0x449/0x710
[ 7928.550751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.550751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.550751][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.550751][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.550751][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.550751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.550751][   T10] 
[ 7928.552291][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7928.552291][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7928.552291][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7928.552291][   T10]      ipv6_find_idev+0x102/0x170
[ 7928.552291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7928.552291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7928.552291][   T10]      netlink_rcv_skb+0x130/0x360
[ 7928.552291][   T10]      netlink_unicast+0x449/0x710
[ 7928.552291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7928.552291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7928.552291][   T10]      ___sys_sendmsg+0xee/0x170
[ 7928.552291][   T10]      __sys_sendmsg+0xcd/0x170
[ 7928.552291][   T10]      do_syscall_64+0xc6/0x1e0
[ 7928.552291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7928.552291][   T10] 
[ 7930.826872][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7930.827353][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7930.827353][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7930.827353][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7930.827353][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7930.827353][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7930.827353][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7930.827353][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7930.827353][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7930.827353][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7930.827353][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7930.827353][ T1078]      netlink_unicast+0x449/0x710
[ 7930.827353][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7930.827353][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7930.827353][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7930.827353][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7930.827353][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7930.827353][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7930.827353][ T1078] 
[ 7930.829613][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7930.829613][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7930.829613][ T1078]      ipv6_find_idev+0x102/0x170
[ 7930.829613][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7930.829613][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7930.829613][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7930.829613][ T1078]      netlink_unicast+0x449/0x710
[ 7930.829613][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7930.829613][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7930.829613][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7930.829613][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7930.829613][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7930.829613][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7930.829613][ T1078] 
[ 7930.831343][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7930.831343][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7930.831343][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7930.831343][ T1078]      ipv6_find_idev+0x102/0x170
[ 7930.831343][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7930.831343][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7930.831343][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7930.831343][ T1078]      netlink_unicast+0x449/0x710
[ 7930.831343][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7930.831343][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7930.831343][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7930.831343][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7930.831343][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7930.831343][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7930.831343][ T1078] 
[ 7938.794796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7938.795196][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7938.795196][   T10]      netdev_get_by_index+0x5e/0x80
[ 7938.795196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7938.795196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7938.795196][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7938.795196][   T10]      ipv6_add_addr+0x411/0x2000
[ 7938.795196][   T10]      inet6_addr_add+0x30e/0xa40
[ 7938.795196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7938.795196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.795196][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.795196][   T10]      netlink_unicast+0x449/0x710
[ 7938.795196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.795196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.795196][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.795196][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.795196][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.795196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.795196][   T10] 
[ 7938.797224][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7938.797224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7938.797224][   T10]      ipv6_find_idev+0x102/0x170
[ 7938.797224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7938.797224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.797224][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.797224][   T10]      netlink_unicast+0x449/0x710
[ 7938.797224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.797224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.797224][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.797224][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.797224][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.797224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.797224][   T10] 
[ 7938.798769][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7938.798769][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7938.798769][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7938.798769][   T10]      ipv6_find_idev+0x102/0x170
[ 7938.798769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7938.798769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.798769][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.798769][   T10]      netlink_unicast+0x449/0x710
[ 7938.798769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.798769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.798769][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.798769][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.798769][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.798769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.798769][   T10] 
[ 7938.800454][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7938.800703][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7938.800703][   T10]      netdev_get_by_index+0x5e/0x80
[ 7938.800703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7938.800703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7938.800703][   T10]      ip6_route_add+0x1c/0x140
[ 7938.800703][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7938.800703][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7938.800703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7938.800703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.800703][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.800703][   T10]      netlink_unicast+0x449/0x710
[ 7938.800703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.800703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.800703][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.800703][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.800703][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.800703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.800703][   T10] 
[ 7938.802700][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7938.802700][   T10]      netdev_get_by_index+0x5e/0x80
[ 7938.802700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7938.802700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7938.802700][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7938.802700][   T10]      ipv6_add_addr+0x411/0x2000
[ 7938.802700][   T10]      inet6_addr_add+0x30e/0xa40
[ 7938.802700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7938.802700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.802700][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.802700][   T10]      netlink_unicast+0x449/0x710
[ 7938.802700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.802700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.802700][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.802700][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.802700][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.802700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.802700][   T10] 
[ 7938.804694][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7938.804694][   T10]      netdev_get_by_index+0x5e/0x80
[ 7938.804694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7938.804694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7938.804694][   T10]      ip6_route_add+0x1c/0x140
[ 7938.804694][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7938.804694][   T10]      addrconf_add_dev+0xe2/0x170
[ 7938.804694][   T10]      inet6_addr_add+0x12f/0xa40
[ 7938.804694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7938.804694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.804694][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.804694][   T10]      netlink_unicast+0x449/0x710
[ 7938.804694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.804694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.804694][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.804694][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.804694][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.804694][   T10] 
[ 7938.806659][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7938.806659][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7938.806659][   T10]      ipv6_find_idev+0x102/0x170
[ 7938.806659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7938.806659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.806659][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.806659][   T10]      netlink_unicast+0x449/0x710
[ 7938.806659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.806659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.806659][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.806659][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.806659][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.806659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.806659][   T10] 
[ 7938.808196][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7938.808196][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7938.808196][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7938.808196][   T10]      ipv6_find_idev+0x102/0x170
[ 7938.808196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7938.808196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7938.808196][   T10]      netlink_rcv_skb+0x130/0x360
[ 7938.808196][   T10]      netlink_unicast+0x449/0x710
[ 7938.808196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7938.808196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7938.808196][   T10]      ___sys_sendmsg+0xee/0x170
[ 7938.808196][   T10]      __sys_sendmsg+0xcd/0x170
[ 7938.808196][   T10]      do_syscall_64+0xc6/0x1e0
[ 7938.808196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7938.808196][   T10] 
[ 7941.082813][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7941.083294][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7941.083294][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7941.083294][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7941.083294][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7941.083294][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7941.083294][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7941.083294][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7941.083294][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7941.083294][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7941.083294][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7941.083294][ T1078]      netlink_unicast+0x449/0x710
[ 7941.083294][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7941.083294][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7941.083294][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7941.083294][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7941.083294][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7941.083294][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7941.083294][ T1078] 
[ 7941.085567][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7941.085567][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7941.085567][ T1078]      ipv6_find_idev+0x102/0x170
[ 7941.085567][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7941.085567][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7941.085567][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7941.085567][ T1078]      netlink_unicast+0x449/0x710
[ 7941.085567][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7941.085567][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7941.085567][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7941.085567][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7941.085567][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7941.085567][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7941.085567][ T1078] 
[ 7941.087308][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7941.087308][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7941.087308][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7941.087308][ T1078]      ipv6_find_idev+0x102/0x170
[ 7941.087308][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7941.087308][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7941.087308][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7941.087308][ T1078]      netlink_unicast+0x449/0x710
[ 7941.087308][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7941.087308][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7941.087308][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7941.087308][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7941.087308][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7941.087308][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7941.087308][ T1078] 
[ 7948.874824][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7948.875233][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7948.875233][   T10]      netdev_get_by_index+0x5e/0x80
[ 7948.875233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7948.875233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7948.875233][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7948.875233][   T10]      ipv6_add_addr+0x411/0x2000
[ 7948.875233][   T10]      inet6_addr_add+0x30e/0xa40
[ 7948.875233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7948.875233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.875233][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.875233][   T10]      netlink_unicast+0x449/0x710
[ 7948.875233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.875233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.875233][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.875233][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.875233][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.875233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.875233][   T10] 
[ 7948.877769][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7948.877769][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7948.877769][   T10]      ipv6_find_idev+0x102/0x170
[ 7948.877769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7948.877769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.877769][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.877769][   T10]      netlink_unicast+0x449/0x710
[ 7948.877769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.877769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.877769][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.877769][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.877769][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.877769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.877769][   T10] 
[ 7948.879306][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7948.879306][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7948.879306][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7948.879306][   T10]      ipv6_find_idev+0x102/0x170
[ 7948.879306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7948.879306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.879306][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.879306][   T10]      netlink_unicast+0x449/0x710
[ 7948.879306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.879306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.879306][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.879306][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.879306][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.879306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.879306][   T10] 
[ 7948.880988][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7948.881227][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7948.881227][   T10]      netdev_get_by_index+0x5e/0x80
[ 7948.881227][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7948.881227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7948.881227][   T10]      ip6_route_add+0x1c/0x140
[ 7948.881227][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7948.881227][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7948.881227][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7948.881227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.881227][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.881227][   T10]      netlink_unicast+0x449/0x710
[ 7948.881227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.881227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.881227][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.881227][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.881227][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.881227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.881227][   T10] 
[ 7948.883220][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7948.883220][   T10]      netdev_get_by_index+0x5e/0x80
[ 7948.883220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7948.883220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7948.883220][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7948.883220][   T10]      ipv6_add_addr+0x411/0x2000
[ 7948.883220][   T10]      inet6_addr_add+0x30e/0xa40
[ 7948.883220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7948.883220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.883220][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.883220][   T10]      netlink_unicast+0x449/0x710
[ 7948.883220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.883220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.883220][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.883220][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.883220][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.883220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.883220][   T10] 
[ 7948.885214][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7948.885214][   T10]      netdev_get_by_index+0x5e/0x80
[ 7948.885214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7948.885214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7948.885214][   T10]      ip6_route_add+0x1c/0x140
[ 7948.885214][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7948.885214][   T10]      addrconf_add_dev+0xe2/0x170
[ 7948.885214][   T10]      inet6_addr_add+0x12f/0xa40
[ 7948.885214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7948.885214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.885214][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.885214][   T10]      netlink_unicast+0x449/0x710
[ 7948.885214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.885214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.885214][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.885214][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.885214][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.885214][   T10] 
[ 7948.887177][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7948.887177][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7948.887177][   T10]      ipv6_find_idev+0x102/0x170
[ 7948.887177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7948.887177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.887177][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.887177][   T10]      netlink_unicast+0x449/0x710
[ 7948.887177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.887177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.887177][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.887177][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.887177][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.887177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.887177][   T10] 
[ 7948.888706][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7948.888706][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7948.888706][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7948.888706][   T10]      ipv6_find_idev+0x102/0x170
[ 7948.888706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7948.888706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7948.888706][   T10]      netlink_rcv_skb+0x130/0x360
[ 7948.888706][   T10]      netlink_unicast+0x449/0x710
[ 7948.888706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7948.888706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7948.888706][   T10]      ___sys_sendmsg+0xee/0x170
[ 7948.888706][   T10]      __sys_sendmsg+0xcd/0x170
[ 7948.888706][   T10]      do_syscall_64+0xc6/0x1e0
[ 7948.888706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7948.888706][   T10] 
[ 7951.178827][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7951.179317][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7951.179317][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7951.179317][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7951.179317][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7951.179317][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7951.179317][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7951.179317][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7951.179317][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7951.179317][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7951.179317][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7951.179317][ T1078]      netlink_unicast+0x449/0x710
[ 7951.179317][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7951.179317][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7951.179317][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7951.179317][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7951.179317][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7951.179317][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7951.179317][ T1078] 
[ 7951.181574][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7951.181574][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7951.181574][ T1078]      ipv6_find_idev+0x102/0x170
[ 7951.181574][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7951.181574][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7951.181574][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7951.181574][ T1078]      netlink_unicast+0x449/0x710
[ 7951.181574][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7951.181574][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7951.181574][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7951.181574][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7951.181574][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7951.181574][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7951.181574][ T1078] 
[ 7951.183314][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7951.183314][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7951.183314][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7951.183314][ T1078]      ipv6_find_idev+0x102/0x170
[ 7951.183314][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7951.183314][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7951.183314][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7951.183314][ T1078]      netlink_unicast+0x449/0x710
[ 7951.183314][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7951.183314][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7951.183314][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7951.183314][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7951.183314][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7951.183314][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7951.183314][ T1078] 
[ 7959.130794][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7959.131201][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7959.131201][   T10]      netdev_get_by_index+0x5e/0x80
[ 7959.131201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7959.131201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7959.131201][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7959.131201][   T10]      ipv6_add_addr+0x411/0x2000
[ 7959.131201][   T10]      inet6_addr_add+0x30e/0xa40
[ 7959.131201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7959.131201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.131201][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.131201][   T10]      netlink_unicast+0x449/0x710
[ 7959.131201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.131201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.131201][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.131201][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.131201][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.131201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.131201][   T10] 
[ 7959.133205][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7959.133205][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7959.133205][   T10]      ipv6_find_idev+0x102/0x170
[ 7959.133205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7959.133205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.133205][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.133205][   T10]      netlink_unicast+0x449/0x710
[ 7959.133205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.133205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.133205][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.133205][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.133205][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.133205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.133205][   T10] 
[ 7959.134749][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7959.134749][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7959.134749][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7959.134749][   T10]      ipv6_find_idev+0x102/0x170
[ 7959.134749][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7959.134749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.134749][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.134749][   T10]      netlink_unicast+0x449/0x710
[ 7959.134749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.134749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.134749][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.134749][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.134749][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.134749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.134749][   T10] 
[ 7959.136427][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7959.136669][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7959.136669][   T10]      netdev_get_by_index+0x5e/0x80
[ 7959.136669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7959.136669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7959.136669][   T10]      ip6_route_add+0x1c/0x140
[ 7959.136669][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7959.136669][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7959.136669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7959.136669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.136669][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.136669][   T10]      netlink_unicast+0x449/0x710
[ 7959.136669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.136669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.136669][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.136669][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.136669][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.136669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.136669][   T10] 
[ 7959.138663][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7959.138663][   T10]      netdev_get_by_index+0x5e/0x80
[ 7959.138663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7959.138663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7959.138663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7959.138663][   T10]      ipv6_add_addr+0x411/0x2000
[ 7959.138663][   T10]      inet6_addr_add+0x30e/0xa40
[ 7959.138663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7959.138663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.138663][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.138663][   T10]      netlink_unicast+0x449/0x710
[ 7959.138663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.138663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.138663][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.138663][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.138663][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.138663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.138663][   T10] 
[ 7959.140658][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7959.140658][   T10]      netdev_get_by_index+0x5e/0x80
[ 7959.140658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7959.140658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7959.140658][   T10]      ip6_route_add+0x1c/0x140
[ 7959.140658][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7959.140658][   T10]      addrconf_add_dev+0xe2/0x170
[ 7959.140658][   T10]      inet6_addr_add+0x12f/0xa40
[ 7959.140658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7959.140658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.140658][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.140658][   T10]      netlink_unicast+0x449/0x710
[ 7959.140658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.140658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.140658][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.140658][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.140658][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.140658][   T10] 
[ 7959.142606][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7959.142606][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7959.142606][   T10]      ipv6_find_idev+0x102/0x170
[ 7959.142606][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7959.142606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.142606][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.142606][   T10]      netlink_unicast+0x449/0x710
[ 7959.142606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.142606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.142606][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.142606][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.142606][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.142606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.142606][   T10] 
[ 7959.144133][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7959.144133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7959.144133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7959.144133][   T10]      ipv6_find_idev+0x102/0x170
[ 7959.144133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7959.144133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7959.144133][   T10]      netlink_rcv_skb+0x130/0x360
[ 7959.144133][   T10]      netlink_unicast+0x449/0x710
[ 7959.144133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7959.144133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7959.144133][   T10]      ___sys_sendmsg+0xee/0x170
[ 7959.144133][   T10]      __sys_sendmsg+0xcd/0x170
[ 7959.144133][   T10]      do_syscall_64+0xc6/0x1e0
[ 7959.144133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7959.144133][   T10] 
[ 7961.426796][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7961.427286][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7961.427286][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7961.427286][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7961.427286][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7961.427286][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7961.427286][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7961.427286][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7961.427286][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7961.427286][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7961.427286][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7961.427286][ T1078]      netlink_unicast+0x449/0x710
[ 7961.427286][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7961.427286][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7961.427286][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7961.427286][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7961.427286][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7961.427286][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7961.427286][ T1078] 
[ 7961.429547][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7961.429547][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7961.429547][ T1078]      ipv6_find_idev+0x102/0x170
[ 7961.429547][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7961.429547][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7961.429547][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7961.429547][ T1078]      netlink_unicast+0x449/0x710
[ 7961.429547][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7961.429547][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7961.429547][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7961.429547][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7961.429547][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7961.429547][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7961.429547][ T1078] 
[ 7961.431278][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7961.431278][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7961.431278][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7961.431278][ T1078]      ipv6_find_idev+0x102/0x170
[ 7961.431278][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7961.431278][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7961.431278][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7961.431278][ T1078]      netlink_unicast+0x449/0x710
[ 7961.431278][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7961.431278][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7961.431278][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7961.431278][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7961.431278][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7961.431278][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7961.431278][ T1078] 
[ 7969.386789][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7969.387214][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7969.387214][   T10]      netdev_get_by_index+0x5e/0x80
[ 7969.387214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7969.387214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7969.387214][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7969.387214][   T10]      ipv6_add_addr+0x411/0x2000
[ 7969.387214][   T10]      inet6_addr_add+0x30e/0xa40
[ 7969.387214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7969.387214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.387214][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.387214][   T10]      netlink_unicast+0x449/0x710
[ 7969.387214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.387214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.387214][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.387214][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.387214][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.387214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.387214][   T10] 
[ 7969.389218][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7969.389218][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7969.389218][   T10]      ipv6_find_idev+0x102/0x170
[ 7969.389218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7969.389218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.389218][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.389218][   T10]      netlink_unicast+0x449/0x710
[ 7969.389218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.389218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.389218][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.389218][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.389218][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.389218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.389218][   T10] 
[ 7969.390758][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7969.390758][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7969.390758][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7969.390758][   T10]      ipv6_find_idev+0x102/0x170
[ 7969.390758][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7969.390758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.390758][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.390758][   T10]      netlink_unicast+0x449/0x710
[ 7969.390758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.390758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.390758][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.390758][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.390758][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.390758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.390758][   T10] 
[ 7969.392443][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7969.392692][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7969.392692][   T10]      netdev_get_by_index+0x5e/0x80
[ 7969.392692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7969.392692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7969.392692][   T10]      ip6_route_add+0x1c/0x140
[ 7969.392692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7969.392692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7969.392692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7969.392692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.392692][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.392692][   T10]      netlink_unicast+0x449/0x710
[ 7969.392692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.392692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.392692][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.392692][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.392692][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.392692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.392692][   T10] 
[ 7969.394698][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7969.394698][   T10]      netdev_get_by_index+0x5e/0x80
[ 7969.394698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7969.394698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7969.394698][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7969.394698][   T10]      ipv6_add_addr+0x411/0x2000
[ 7969.394698][   T10]      inet6_addr_add+0x30e/0xa40
[ 7969.394698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7969.394698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.394698][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.394698][   T10]      netlink_unicast+0x449/0x710
[ 7969.394698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.394698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.394698][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.394698][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.394698][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.394698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.394698][   T10] 
[ 7969.396691][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7969.396691][   T10]      netdev_get_by_index+0x5e/0x80
[ 7969.396691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7969.396691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7969.396691][   T10]      ip6_route_add+0x1c/0x140
[ 7969.396691][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7969.396691][   T10]      addrconf_add_dev+0xe2/0x170
[ 7969.396691][   T10]      inet6_addr_add+0x12f/0xa40
[ 7969.396691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7969.396691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.396691][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.396691][   T10]      netlink_unicast+0x449/0x710
[ 7969.396691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.396691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.396691][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.396691][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.396691][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.396691][   T10] 
[ 7969.398651][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7969.398651][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7969.398651][   T10]      ipv6_find_idev+0x102/0x170
[ 7969.398651][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7969.398651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.398651][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.398651][   T10]      netlink_unicast+0x449/0x710
[ 7969.398651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.398651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.398651][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.398651][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.398651][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.398651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.398651][   T10] 
[ 7969.400185][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7969.400185][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7969.400185][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7969.400185][   T10]      ipv6_find_idev+0x102/0x170
[ 7969.400185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7969.400185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7969.400185][   T10]      netlink_rcv_skb+0x130/0x360
[ 7969.400185][   T10]      netlink_unicast+0x449/0x710
[ 7969.400185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7969.400185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7969.400185][   T10]      ___sys_sendmsg+0xee/0x170
[ 7969.400185][   T10]      __sys_sendmsg+0xcd/0x170
[ 7969.400185][   T10]      do_syscall_64+0xc6/0x1e0
[ 7969.400185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7969.400185][   T10] 
[ 7971.674794][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7971.675276][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7971.675276][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7971.675276][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7971.675276][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7971.675276][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7971.675276][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7971.675276][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7971.675276][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7971.675276][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7971.675276][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7971.675276][ T1078]      netlink_unicast+0x449/0x710
[ 7971.675276][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7971.675276][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7971.675276][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7971.675276][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7971.675276][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7971.675276][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7971.675276][ T1078] 
[ 7971.677545][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7971.677545][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7971.677545][ T1078]      ipv6_find_idev+0x102/0x170
[ 7971.677545][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7971.677545][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7971.677545][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7971.677545][ T1078]      netlink_unicast+0x449/0x710
[ 7971.677545][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7971.677545][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7971.677545][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7971.677545][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7971.677545][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7971.677545][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7971.677545][ T1078] 
[ 7971.679274][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7971.679274][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7971.679274][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7971.679274][ T1078]      ipv6_find_idev+0x102/0x170
[ 7971.679274][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7971.679274][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7971.679274][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7971.679274][ T1078]      netlink_unicast+0x449/0x710
[ 7971.679274][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7971.679274][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7971.679274][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7971.679274][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7971.679274][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7971.679274][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7971.679274][ T1078] 
[ 7979.594950][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7979.595363][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7979.595363][   T10]      netdev_get_by_index+0x5e/0x80
[ 7979.595363][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7979.595363][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7979.595363][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7979.595363][   T10]      ipv6_add_addr+0x411/0x2000
[ 7979.595363][   T10]      inet6_addr_add+0x30e/0xa40
[ 7979.595363][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7979.595363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.595363][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.595363][   T10]      netlink_unicast+0x449/0x710
[ 7979.595363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.595363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.595363][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.595363][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.595363][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.595363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.595363][   T10] 
[ 7979.597396][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7979.597396][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7979.597396][   T10]      ipv6_find_idev+0x102/0x170
[ 7979.597396][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7979.597396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.597396][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.597396][   T10]      netlink_unicast+0x449/0x710
[ 7979.597396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.597396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.597396][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.597396][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.597396][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.597396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.597396][   T10] 
[ 7979.598930][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7979.598930][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7979.598930][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7979.598930][   T10]      ipv6_find_idev+0x102/0x170
[ 7979.598930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7979.598930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.598930][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.598930][   T10]      netlink_unicast+0x449/0x710
[ 7979.598930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.598930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.598930][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.598930][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.598930][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.598930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.598930][   T10] 
[ 7979.600606][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7979.600867][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7979.600867][   T10]      netdev_get_by_index+0x5e/0x80
[ 7979.600867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7979.600867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7979.600867][   T10]      ip6_route_add+0x1c/0x140
[ 7979.600867][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7979.600867][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7979.600867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7979.600867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.600867][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.600867][   T10]      netlink_unicast+0x449/0x710
[ 7979.600867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.600867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.600867][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.600867][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.600867][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.600867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.600867][   T10] 
[ 7979.602853][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7979.602853][   T10]      netdev_get_by_index+0x5e/0x80
[ 7979.602853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7979.602853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7979.602853][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7979.602853][   T10]      ipv6_add_addr+0x411/0x2000
[ 7979.602853][   T10]      inet6_addr_add+0x30e/0xa40
[ 7979.602853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7979.602853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.602853][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.602853][   T10]      netlink_unicast+0x449/0x710
[ 7979.602853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.602853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.602853][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.602853][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.602853][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.602853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.602853][   T10] 
[ 7979.604829][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7979.604829][   T10]      netdev_get_by_index+0x5e/0x80
[ 7979.604829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7979.604829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7979.604829][   T10]      ip6_route_add+0x1c/0x140
[ 7979.604829][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7979.604829][   T10]      addrconf_add_dev+0xe2/0x170
[ 7979.604829][   T10]      inet6_addr_add+0x12f/0xa40
[ 7979.604829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7979.604829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.604829][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.604829][   T10]      netlink_unicast+0x449/0x710
[ 7979.604829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.604829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.604829][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.604829][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.604829][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.604829][   T10] 
[ 7979.606779][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7979.606779][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7979.606779][   T10]      ipv6_find_idev+0x102/0x170
[ 7979.606779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7979.606779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.606779][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.606779][   T10]      netlink_unicast+0x449/0x710
[ 7979.606779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.606779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.606779][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.606779][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.606779][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.606779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.606779][   T10] 
[ 7979.608534][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7979.608534][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7979.608534][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7979.608534][   T10]      ipv6_find_idev+0x102/0x170
[ 7979.608534][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7979.608534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7979.608534][   T10]      netlink_rcv_skb+0x130/0x360
[ 7979.608534][   T10]      netlink_unicast+0x449/0x710
[ 7979.608534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7979.608534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7979.608534][   T10]      ___sys_sendmsg+0xee/0x170
[ 7979.608534][   T10]      __sys_sendmsg+0xcd/0x170
[ 7979.608534][   T10]      do_syscall_64+0xc6/0x1e0
[ 7979.608534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7979.608534][   T10] 
[ 7981.898808][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7981.899283][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7981.899283][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7981.899283][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7981.899283][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7981.899283][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7981.899283][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7981.899283][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7981.899283][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7981.899283][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7981.899283][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7981.899283][ T1078]      netlink_unicast+0x449/0x710
[ 7981.899283][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7981.899283][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7981.899283][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7981.899283][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7981.899283][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7981.899283][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7981.899283][ T1078] 
[ 7981.901543][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7981.901543][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7981.901543][ T1078]      ipv6_find_idev+0x102/0x170
[ 7981.901543][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7981.901543][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7981.901543][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7981.901543][ T1078]      netlink_unicast+0x449/0x710
[ 7981.901543][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7981.901543][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7981.901543][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7981.901543][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7981.901543][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7981.901543][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7981.901543][ T1078] 
[ 7981.903271][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7981.903271][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7981.903271][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7981.903271][ T1078]      ipv6_find_idev+0x102/0x170
[ 7981.903271][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7981.903271][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7981.903271][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7981.903271][ T1078]      netlink_unicast+0x449/0x710
[ 7981.903271][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7981.903271][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7981.903271][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7981.903271][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7981.903271][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7981.903271][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7981.903271][ T1078] 
[ 7988.522802][   T42] INFO: task modprobe:1347 blocked for more than 614 seconds.
[ 7988.523056][   T42]       Not tainted 6.8.0-virtme #1
[ 7988.523180][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 7988.523382][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 7988.523625][   T42] Call Trace:
[ 7988.523740][   T42]  <TASK>
[ 7988.523812][   T42]  __schedule+0x705/0x1ac0
[ 7988.523946][   T42]  ? __pfx___schedule+0x10/0x10
[ 7988.524069][   T42]  ? schedule+0x1a5/0x210
[ 7988.524165][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7988.524301][   T42]  ? mark_lock+0x38/0x3e0
[ 7988.524394][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 7988.524520][   T42]  ? schedule+0x1a5/0x210
[ 7988.524618][   T42]  schedule+0xdf/0x210
[ 7988.524730][   T42]  schedule_preempt_disabled+0x15/0x30
[ 7988.524853][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 7988.524981][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 7988.525135][   T42]  ? kasan_save_stack+0x34/0x50
[ 7988.525263][   T42]  ? kasan_save_stack+0x24/0x50
[ 7988.525386][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7988.525515][   T42]  ? lock_acquire+0x1c1/0x220
[ 7988.525637][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 7988.525780][   T42]  down_write+0x1c9/0x200
[ 7988.525878][   T42]  ? __pfx_down_write+0x10/0x10
[ 7988.525999][   T42]  ? __pfx___lock_release+0x10/0x10
[ 7988.526126][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 7988.526318][   T42]  register_pernet_subsys+0x1a/0x50
[ 7988.526442][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 7988.526622][   T42]  do_one_initcall+0xc8/0x3f0
[ 7988.526769][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 7988.526895][   T42]  ? __create_object+0x5e/0xb0
[ 7988.527024][   T42]  ? kasan_unpoison+0x27/0x60
[ 7988.527152][   T42]  do_init_module+0x233/0x740
[ 7988.527284][   T42]  load_module+0x16b5/0x2350
[ 7988.527421][   T42]  ? __pfx_load_module+0x10/0x10
[ 7988.527559][   T42]  ? kernel_read_file+0x3d2/0x520
[ 7988.527701][   T42]  ? kernel_read_file+0x300/0x520
[ 7988.527828][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 7988.527958][   T42]  ? init_module_from_file+0xd2/0x130
[ 7988.528081][   T42]  init_module_from_file+0xd2/0x130
[ 7988.528204][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 7988.528358][   T42]  ? __lock_release+0x103/0x460
[ 7988.528482][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7988.528617][   T42]  ? idempotent_init_module+0x32a/0x620
[ 7988.528749][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 7988.528874][   T42]  idempotent_init_module+0x342/0x620
[ 7988.528999][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 7988.529178][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 7988.529302][   T42]  do_syscall_64+0xc6/0x1e0
[ 7988.529430][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7988.529583][   T42] RIP: 0033:0x7f688a3aae5d
[ 7988.529720][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 7988.529907][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 7988.530087][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 7988.530269][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 7988.530450][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 7988.530630][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 7988.530835][   T42]  </TASK>
[ 7988.530928][   T42] 
[ 7988.530928][   T42] Showing all locks held in the system:
[ 7988.531100][   T42] 3 locks held by kworker/u16:0/10:
[ 7988.531218][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7988.531473][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7988.531701][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 7988.531921][   T42] 1 lock held by khungtaskd/42:
[ 7988.532039][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 7988.532261][   T42] 2 locks held by kworker/u19:1/60:
[ 7988.532379][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 7988.532621][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 7988.532904][   T42] 1 lock held by modprobe/1347:
[ 7988.533024][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 7988.533269][   T42] 
[ 7988.533330][   T42] =============================================
[ 7988.533330][   T42] 
[ 7989.858791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 7989.859175][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7989.859175][   T10]      netdev_get_by_index+0x5e/0x80
[ 7989.859175][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7989.859175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7989.859175][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7989.859175][   T10]      ipv6_add_addr+0x411/0x2000
[ 7989.859175][   T10]      inet6_addr_add+0x30e/0xa40
[ 7989.859175][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7989.859175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.859175][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.859175][   T10]      netlink_unicast+0x449/0x710
[ 7989.859175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.859175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.859175][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.859175][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.859175][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.859175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.859175][   T10] 
[ 7989.861182][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7989.861182][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7989.861182][   T10]      ipv6_find_idev+0x102/0x170
[ 7989.861182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7989.861182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.861182][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.861182][   T10]      netlink_unicast+0x449/0x710
[ 7989.861182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.861182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.861182][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.861182][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.861182][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.861182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.861182][   T10] 
[ 7989.862711][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 7989.862711][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7989.862711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7989.862711][   T10]      ipv6_find_idev+0x102/0x170
[ 7989.862711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7989.862711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.862711][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.862711][   T10]      netlink_unicast+0x449/0x710
[ 7989.862711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.862711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.862711][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.862711][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.862711][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.862711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.862711][   T10] 
[ 7989.864381][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 7989.864627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7989.864627][   T10]      netdev_get_by_index+0x5e/0x80
[ 7989.864627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7989.864627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7989.864627][   T10]      ip6_route_add+0x1c/0x140
[ 7989.864627][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7989.864627][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7989.864627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7989.864627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.864627][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.864627][   T10]      netlink_unicast+0x449/0x710
[ 7989.864627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.864627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.864627][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.864627][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.864627][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.864627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.864627][   T10] 
[ 7989.866611][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7989.866611][   T10]      netdev_get_by_index+0x5e/0x80
[ 7989.866611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7989.866611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7989.866611][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7989.866611][   T10]      ipv6_add_addr+0x411/0x2000
[ 7989.866611][   T10]      inet6_addr_add+0x30e/0xa40
[ 7989.866611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7989.866611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.866611][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.866611][   T10]      netlink_unicast+0x449/0x710
[ 7989.866611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.866611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.866611][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.866611][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.866611][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.866611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.866611][   T10] 
[ 7989.868606][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7989.868606][   T10]      netdev_get_by_index+0x5e/0x80
[ 7989.868606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7989.868606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7989.868606][   T10]      ip6_route_add+0x1c/0x140
[ 7989.868606][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7989.868606][   T10]      addrconf_add_dev+0xe2/0x170
[ 7989.868606][   T10]      inet6_addr_add+0x12f/0xa40
[ 7989.868606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7989.868606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.868606][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.868606][   T10]      netlink_unicast+0x449/0x710
[ 7989.868606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.868606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.868606][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.868606][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.868606][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.868606][   T10] 
[ 7989.870553][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7989.870553][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7989.870553][   T10]      ipv6_find_idev+0x102/0x170
[ 7989.870553][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7989.870553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.870553][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.870553][   T10]      netlink_unicast+0x449/0x710
[ 7989.870553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.870553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.870553][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.870553][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.870553][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.870553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.870553][   T10] 
[ 7989.872085][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 7989.872085][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7989.872085][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7989.872085][   T10]      ipv6_find_idev+0x102/0x170
[ 7989.872085][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7989.872085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7989.872085][   T10]      netlink_rcv_skb+0x130/0x360
[ 7989.872085][   T10]      netlink_unicast+0x449/0x710
[ 7989.872085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7989.872085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7989.872085][   T10]      ___sys_sendmsg+0xee/0x170
[ 7989.872085][   T10]      __sys_sendmsg+0xcd/0x170
[ 7989.872085][   T10]      do_syscall_64+0xc6/0x1e0
[ 7989.872085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7989.872085][   T10] 
[ 7992.146828][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 7992.147308][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7992.147308][ T1078]      netdev_get_by_index+0x5e/0x80
[ 7992.147308][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 7992.147308][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 7992.147308][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 7992.147308][ T1078]      ipv6_add_addr+0x411/0x2000
[ 7992.147308][ T1078]      inet6_addr_add+0x30e/0xa40
[ 7992.147308][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 7992.147308][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7992.147308][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7992.147308][ T1078]      netlink_unicast+0x449/0x710
[ 7992.147308][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7992.147308][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7992.147308][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7992.147308][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7992.147308][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7992.147308][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7992.147308][ T1078] 
[ 7992.149573][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7992.149573][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 7992.149573][ T1078]      ipv6_find_idev+0x102/0x170
[ 7992.149573][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7992.149573][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7992.149573][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7992.149573][ T1078]      netlink_unicast+0x449/0x710
[ 7992.149573][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7992.149573][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7992.149573][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7992.149573][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7992.149573][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7992.149573][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7992.149573][ T1078] 
[ 7992.151307][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 7992.151307][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 7992.151307][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 7992.151307][ T1078]      ipv6_find_idev+0x102/0x170
[ 7992.151307][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7992.151307][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7992.151307][ T1078]      netlink_rcv_skb+0x130/0x360
[ 7992.151307][ T1078]      netlink_unicast+0x449/0x710
[ 7992.151307][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 7992.151307][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 7992.151307][ T1078]      ___sys_sendmsg+0xee/0x170
[ 7992.151307][ T1078]      __sys_sendmsg+0xcd/0x170
[ 7992.151307][ T1078]      do_syscall_64+0xc6/0x1e0
[ 7992.151307][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7992.151307][ T1078] 
[ 8000.122793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8000.123203][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8000.123203][   T10]      netdev_get_by_index+0x5e/0x80
[ 8000.123203][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8000.123203][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8000.123203][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8000.123203][   T10]      ipv6_add_addr+0x411/0x2000
[ 8000.123203][   T10]      inet6_addr_add+0x30e/0xa40
[ 8000.123203][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8000.123203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.123203][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.123203][   T10]      netlink_unicast+0x449/0x710
[ 8000.123203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.123203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.123203][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.123203][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.123203][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.123203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.123203][   T10] 
[ 8000.125214][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8000.125214][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8000.125214][   T10]      ipv6_find_idev+0x102/0x170
[ 8000.125214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8000.125214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.125214][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.125214][   T10]      netlink_unicast+0x449/0x710
[ 8000.125214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.125214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.125214][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.125214][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.125214][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.125214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.125214][   T10] 
[ 8000.126762][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8000.126762][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8000.126762][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8000.126762][   T10]      ipv6_find_idev+0x102/0x170
[ 8000.126762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8000.126762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.126762][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.126762][   T10]      netlink_unicast+0x449/0x710
[ 8000.126762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.126762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.126762][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.126762][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.126762][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.126762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.126762][   T10] 
[ 8000.128439][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8000.128688][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8000.128688][   T10]      netdev_get_by_index+0x5e/0x80
[ 8000.128688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8000.128688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8000.128688][   T10]      ip6_route_add+0x1c/0x140
[ 8000.128688][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8000.128688][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8000.128688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8000.128688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.128688][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.128688][   T10]      netlink_unicast+0x449/0x710
[ 8000.128688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.128688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.128688][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.128688][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.128688][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.128688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.128688][   T10] 
[ 8000.130725][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8000.130725][   T10]      netdev_get_by_index+0x5e/0x80
[ 8000.130725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8000.130725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8000.130725][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8000.130725][   T10]      ipv6_add_addr+0x411/0x2000
[ 8000.130725][   T10]      inet6_addr_add+0x30e/0xa40
[ 8000.130725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8000.130725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.130725][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.130725][   T10]      netlink_unicast+0x449/0x710
[ 8000.130725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.130725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.130725][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.130725][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.130725][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.130725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.130725][   T10] 
[ 8000.132713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8000.132713][   T10]      netdev_get_by_index+0x5e/0x80
[ 8000.132713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8000.132713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8000.132713][   T10]      ip6_route_add+0x1c/0x140
[ 8000.132713][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8000.132713][   T10]      addrconf_add_dev+0xe2/0x170
[ 8000.132713][   T10]      inet6_addr_add+0x12f/0xa40
[ 8000.132713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8000.132713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.132713][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.132713][   T10]      netlink_unicast+0x449/0x710
[ 8000.132713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.132713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.132713][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.132713][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.132713][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.132713][   T10] 
[ 8000.134663][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8000.134663][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8000.134663][   T10]      ipv6_find_idev+0x102/0x170
[ 8000.134663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8000.134663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.134663][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.134663][   T10]      netlink_unicast+0x449/0x710
[ 8000.134663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.134663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.134663][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.134663][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.134663][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.134663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.134663][   T10] 
[ 8000.136202][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8000.136202][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8000.136202][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8000.136202][   T10]      ipv6_find_idev+0x102/0x170
[ 8000.136202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8000.136202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8000.136202][   T10]      netlink_rcv_skb+0x130/0x360
[ 8000.136202][   T10]      netlink_unicast+0x449/0x710
[ 8000.136202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8000.136202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8000.136202][   T10]      ___sys_sendmsg+0xee/0x170
[ 8000.136202][   T10]      __sys_sendmsg+0xcd/0x170
[ 8000.136202][   T10]      do_syscall_64+0xc6/0x1e0
[ 8000.136202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8000.136202][   T10] 
[ 8002.394818][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8002.395294][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8002.395294][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8002.395294][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8002.395294][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8002.395294][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8002.395294][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8002.395294][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8002.395294][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8002.395294][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8002.395294][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8002.395294][ T1078]      netlink_unicast+0x449/0x710
[ 8002.395294][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8002.395294][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8002.395294][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8002.395294][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8002.395294][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8002.395294][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8002.395294][ T1078] 
[ 8002.397558][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8002.397558][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8002.397558][ T1078]      ipv6_find_idev+0x102/0x170
[ 8002.397558][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8002.397558][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8002.397558][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8002.397558][ T1078]      netlink_unicast+0x449/0x710
[ 8002.397558][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8002.397558][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8002.397558][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8002.397558][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8002.397558][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8002.397558][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8002.397558][ T1078] 
[ 8002.399278][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8002.399278][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8002.399278][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8002.399278][ T1078]      ipv6_find_idev+0x102/0x170
[ 8002.399278][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8002.399278][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8002.399278][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8002.399278][ T1078]      netlink_unicast+0x449/0x710
[ 8002.399278][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8002.399278][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8002.399278][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8002.399278][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8002.399278][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8002.399278][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8002.399278][ T1078] 
[ 8010.386795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8010.387224][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8010.387224][   T10]      netdev_get_by_index+0x5e/0x80
[ 8010.387224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8010.387224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8010.387224][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8010.387224][   T10]      ipv6_add_addr+0x411/0x2000
[ 8010.387224][   T10]      inet6_addr_add+0x30e/0xa40
[ 8010.387224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8010.387224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.387224][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.387224][   T10]      netlink_unicast+0x449/0x710
[ 8010.387224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.387224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.387224][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.387224][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.387224][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.387224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.387224][   T10] 
[ 8010.389262][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8010.389262][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8010.389262][   T10]      ipv6_find_idev+0x102/0x170
[ 8010.389262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8010.389262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.389262][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.389262][   T10]      netlink_unicast+0x449/0x710
[ 8010.389262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.389262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.389262][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.389262][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.389262][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.389262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.389262][   T10] 
[ 8010.390827][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8010.390827][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8010.390827][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8010.390827][   T10]      ipv6_find_idev+0x102/0x170
[ 8010.390827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8010.390827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.390827][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.390827][   T10]      netlink_unicast+0x449/0x710
[ 8010.390827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.390827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.390827][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.390827][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.390827][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.390827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.390827][   T10] 
[ 8010.392527][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8010.392789][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8010.392789][   T10]      netdev_get_by_index+0x5e/0x80
[ 8010.392789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8010.392789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8010.392789][   T10]      ip6_route_add+0x1c/0x140
[ 8010.392789][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8010.392789][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8010.392789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8010.392789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.392789][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.392789][   T10]      netlink_unicast+0x449/0x710
[ 8010.392789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.392789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.392789][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.392789][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.392789][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.392789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.392789][   T10] 
[ 8010.394805][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8010.394805][   T10]      netdev_get_by_index+0x5e/0x80
[ 8010.394805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8010.394805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8010.394805][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8010.394805][   T10]      ipv6_add_addr+0x411/0x2000
[ 8010.394805][   T10]      inet6_addr_add+0x30e/0xa40
[ 8010.394805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8010.394805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.394805][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.394805][   T10]      netlink_unicast+0x449/0x710
[ 8010.394805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.394805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.394805][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.394805][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.394805][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.394805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.394805][   T10] 
[ 8010.396804][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8010.396804][   T10]      netdev_get_by_index+0x5e/0x80
[ 8010.396804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8010.396804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8010.396804][   T10]      ip6_route_add+0x1c/0x140
[ 8010.396804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8010.396804][   T10]      addrconf_add_dev+0xe2/0x170
[ 8010.396804][   T10]      inet6_addr_add+0x12f/0xa40
[ 8010.396804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8010.396804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.396804][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.396804][   T10]      netlink_unicast+0x449/0x710
[ 8010.396804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.396804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.396804][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.396804][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.396804][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.396804][   T10] 
[ 8010.398754][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8010.398754][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8010.398754][   T10]      ipv6_find_idev+0x102/0x170
[ 8010.398754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8010.398754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.398754][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.398754][   T10]      netlink_unicast+0x449/0x710
[ 8010.398754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.398754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.398754][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.398754][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.398754][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.398754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.398754][   T10] 
[ 8010.400292][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8010.400292][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8010.400292][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8010.400292][   T10]      ipv6_find_idev+0x102/0x170
[ 8010.400292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8010.400292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8010.400292][   T10]      netlink_rcv_skb+0x130/0x360
[ 8010.400292][   T10]      netlink_unicast+0x449/0x710
[ 8010.400292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8010.400292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8010.400292][   T10]      ___sys_sendmsg+0xee/0x170
[ 8010.400292][   T10]      __sys_sendmsg+0xcd/0x170
[ 8010.400292][   T10]      do_syscall_64+0xc6/0x1e0
[ 8010.400292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8010.400292][   T10] 
[ 8012.642820][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8012.643979][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8012.643979][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8012.643979][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8012.643979][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8012.643979][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8012.643979][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8012.643979][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8012.643979][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8012.643979][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8012.643979][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8012.643979][ T1078]      netlink_unicast+0x449/0x710
[ 8012.643979][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8012.643979][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8012.643979][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8012.643979][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8012.643979][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8012.643979][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8012.643979][ T1078] 
[ 8012.646287][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8012.646287][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8012.646287][ T1078]      ipv6_find_idev+0x102/0x170
[ 8012.646287][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8012.646287][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8012.646287][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8012.646287][ T1078]      netlink_unicast+0x449/0x710
[ 8012.646287][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8012.646287][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8012.646287][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8012.646287][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8012.646287][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8012.646287][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8012.646287][ T1078] 
[ 8012.648058][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8012.648058][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8012.648058][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8012.648058][ T1078]      ipv6_find_idev+0x102/0x170
[ 8012.648058][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8012.648058][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8012.648058][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8012.648058][ T1078]      netlink_unicast+0x449/0x710
[ 8012.648058][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8012.648058][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8012.648058][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8012.648058][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8012.648058][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8012.648058][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8012.648058][ T1078] 
[ 8020.650750][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8020.651103][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8020.651103][   T10]      netdev_get_by_index+0x5e/0x80
[ 8020.651103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8020.651103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8020.651103][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8020.651103][   T10]      ipv6_add_addr+0x411/0x2000
[ 8020.651103][   T10]      inet6_addr_add+0x30e/0xa40
[ 8020.651103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8020.651103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.651103][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.651103][   T10]      netlink_unicast+0x449/0x710
[ 8020.651103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.651103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.651103][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.651103][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.651103][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.651103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.651103][   T10] 
[ 8020.653116][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8020.653116][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8020.653116][   T10]      ipv6_find_idev+0x102/0x170
[ 8020.653116][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8020.653116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.653116][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.653116][   T10]      netlink_unicast+0x449/0x710
[ 8020.653116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.653116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.653116][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.653116][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.653116][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.653116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.653116][   T10] 
[ 8020.654656][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8020.654656][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8020.654656][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8020.654656][   T10]      ipv6_find_idev+0x102/0x170
[ 8020.654656][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8020.654656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.654656][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.654656][   T10]      netlink_unicast+0x449/0x710
[ 8020.654656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.654656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.654656][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.654656][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.654656][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.654656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.654656][   T10] 
[ 8020.656339][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8020.656583][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8020.656583][   T10]      netdev_get_by_index+0x5e/0x80
[ 8020.656583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8020.656583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8020.656583][   T10]      ip6_route_add+0x1c/0x140
[ 8020.656583][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8020.656583][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8020.656583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8020.656583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.656583][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.656583][   T10]      netlink_unicast+0x449/0x710
[ 8020.656583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.656583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.656583][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.656583][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.656583][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.656583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.656583][   T10] 
[ 8020.658587][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8020.658587][   T10]      netdev_get_by_index+0x5e/0x80
[ 8020.658587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8020.658587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8020.658587][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8020.658587][   T10]      ipv6_add_addr+0x411/0x2000
[ 8020.658587][   T10]      inet6_addr_add+0x30e/0xa40
[ 8020.658587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8020.658587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.658587][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.658587][   T10]      netlink_unicast+0x449/0x710
[ 8020.658587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.658587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.658587][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.658587][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.658587][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.658587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.658587][   T10] 
[ 8020.660584][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8020.660584][   T10]      netdev_get_by_index+0x5e/0x80
[ 8020.660584][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8020.660584][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8020.660584][   T10]      ip6_route_add+0x1c/0x140
[ 8020.660584][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8020.660584][   T10]      addrconf_add_dev+0xe2/0x170
[ 8020.660584][   T10]      inet6_addr_add+0x12f/0xa40
[ 8020.660584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8020.660584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.660584][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.660584][   T10]      netlink_unicast+0x449/0x710
[ 8020.660584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.660584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.660584][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.660584][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.660584][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.660584][   T10] 
[ 8020.662542][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8020.662542][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8020.662542][   T10]      ipv6_find_idev+0x102/0x170
[ 8020.662542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8020.662542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.662542][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.662542][   T10]      netlink_unicast+0x449/0x710
[ 8020.662542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.662542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.662542][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.662542][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.662542][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.662542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.662542][   T10] 
[ 8020.664072][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8020.664072][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8020.664072][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8020.664072][   T10]      ipv6_find_idev+0x102/0x170
[ 8020.664072][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8020.664072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8020.664072][   T10]      netlink_rcv_skb+0x130/0x360
[ 8020.664072][   T10]      netlink_unicast+0x449/0x710
[ 8020.664072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8020.664072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8020.664072][   T10]      ___sys_sendmsg+0xee/0x170
[ 8020.664072][   T10]      __sys_sendmsg+0xcd/0x170
[ 8020.664072][   T10]      do_syscall_64+0xc6/0x1e0
[ 8020.664072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8020.664072][   T10] 
[ 8022.890827][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8022.891248][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8022.891248][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8022.891248][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8022.891248][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8022.891248][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8022.891248][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8022.891248][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8022.891248][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8022.891248][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8022.891248][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8022.891248][ T1078]      netlink_unicast+0x449/0x710
[ 8022.891248][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8022.891248][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8022.891248][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8022.891248][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8022.891248][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8022.891248][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8022.891248][ T1078] 
[ 8022.893593][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8022.893593][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8022.893593][ T1078]      ipv6_find_idev+0x102/0x170
[ 8022.893593][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8022.893593][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8022.893593][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8022.893593][ T1078]      netlink_unicast+0x449/0x710
[ 8022.893593][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8022.893593][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8022.893593][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8022.893593][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8022.893593][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8022.893593][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8022.893593][ T1078] 
[ 8022.895337][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8022.895337][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8022.895337][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8022.895337][ T1078]      ipv6_find_idev+0x102/0x170
[ 8022.895337][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8022.895337][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8022.895337][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8022.895337][ T1078]      netlink_unicast+0x449/0x710
[ 8022.895337][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8022.895337][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8022.895337][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8022.895337][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8022.895337][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8022.895337][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8022.895337][ T1078] 
[ 8030.914869][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8030.915764][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8030.915764][   T10]      netdev_get_by_index+0x5e/0x80
[ 8030.915764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8030.915764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8030.915764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8030.915764][   T10]      ipv6_add_addr+0x411/0x2000
[ 8030.915764][   T10]      inet6_addr_add+0x30e/0xa40
[ 8030.915764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8030.915764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.915764][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.915764][   T10]      netlink_unicast+0x449/0x710
[ 8030.915764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.915764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.915764][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.915764][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.915764][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.915764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.915764][   T10] 
[ 8030.917908][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8030.917908][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8030.917908][   T10]      ipv6_find_idev+0x102/0x170
[ 8030.917908][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8030.917908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.917908][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.917908][   T10]      netlink_unicast+0x449/0x710
[ 8030.917908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.917908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.917908][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.917908][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.917908][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.917908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.917908][   T10] 
[ 8030.919446][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8030.919446][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8030.919446][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8030.919446][   T10]      ipv6_find_idev+0x102/0x170
[ 8030.919446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8030.919446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.919446][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.919446][   T10]      netlink_unicast+0x449/0x710
[ 8030.919446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.919446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.919446][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.919446][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.919446][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.919446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.919446][   T10] 
[ 8030.921133][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8030.921377][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8030.921377][   T10]      netdev_get_by_index+0x5e/0x80
[ 8030.921377][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8030.921377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8030.921377][   T10]      ip6_route_add+0x1c/0x140
[ 8030.921377][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8030.921377][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8030.921377][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8030.921377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.921377][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.921377][   T10]      netlink_unicast+0x449/0x710
[ 8030.921377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.921377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.921377][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.921377][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.921377][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.921377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.921377][   T10] 
[ 8030.923397][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8030.923397][   T10]      netdev_get_by_index+0x5e/0x80
[ 8030.923397][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8030.923397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8030.923397][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8030.923397][   T10]      ipv6_add_addr+0x411/0x2000
[ 8030.923397][   T10]      inet6_addr_add+0x30e/0xa40
[ 8030.923397][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8030.923397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.923397][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.923397][   T10]      netlink_unicast+0x449/0x710
[ 8030.923397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.923397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.923397][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.923397][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.923397][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.923397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.923397][   T10] 
[ 8030.925389][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8030.925389][   T10]      netdev_get_by_index+0x5e/0x80
[ 8030.925389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8030.925389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8030.925389][   T10]      ip6_route_add+0x1c/0x140
[ 8030.925389][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8030.925389][   T10]      addrconf_add_dev+0xe2/0x170
[ 8030.925389][   T10]      inet6_addr_add+0x12f/0xa40
[ 8030.925389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8030.925389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.925389][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.925389][   T10]      netlink_unicast+0x449/0x710
[ 8030.925389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.925389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.925389][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.925389][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.925389][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.925389][   T10] 
[ 8030.927362][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8030.927362][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8030.927362][   T10]      ipv6_find_idev+0x102/0x170
[ 8030.927362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8030.927362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.927362][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.927362][   T10]      netlink_unicast+0x449/0x710
[ 8030.927362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.927362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.927362][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.927362][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.927362][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.927362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.927362][   T10] 
[ 8030.928930][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8030.928930][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8030.928930][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8030.928930][   T10]      ipv6_find_idev+0x102/0x170
[ 8030.928930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8030.928930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8030.928930][   T10]      netlink_rcv_skb+0x130/0x360
[ 8030.928930][   T10]      netlink_unicast+0x449/0x710
[ 8030.928930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8030.928930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8030.928930][   T10]      ___sys_sendmsg+0xee/0x170
[ 8030.928930][   T10]      __sys_sendmsg+0xcd/0x170
[ 8030.928930][   T10]      do_syscall_64+0xc6/0x1e0
[ 8030.928930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8030.928930][   T10] 
[ 8033.138817][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8033.139254][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8033.139254][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8033.139254][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8033.139254][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8033.139254][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8033.139254][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8033.139254][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8033.139254][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8033.139254][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8033.139254][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8033.139254][ T1078]      netlink_unicast+0x449/0x710
[ 8033.139254][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8033.139254][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8033.139254][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8033.139254][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8033.139254][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8033.139254][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8033.139254][ T1078] 
[ 8033.141506][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8033.141506][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8033.141506][ T1078]      ipv6_find_idev+0x102/0x170
[ 8033.141506][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8033.141506][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8033.141506][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8033.141506][ T1078]      netlink_unicast+0x449/0x710
[ 8033.141506][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8033.141506][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8033.141506][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8033.141506][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8033.141506][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8033.141506][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8033.141506][ T1078] 
[ 8033.143233][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8033.143233][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8033.143233][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8033.143233][ T1078]      ipv6_find_idev+0x102/0x170
[ 8033.143233][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8033.143233][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8033.143233][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8033.143233][ T1078]      netlink_unicast+0x449/0x710
[ 8033.143233][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8033.143233][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8033.143233][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8033.143233][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8033.143233][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8033.143233][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8033.143233][ T1078] 
[ 8041.178790][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8041.179209][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8041.179209][   T10]      netdev_get_by_index+0x5e/0x80
[ 8041.179209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8041.179209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8041.179209][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8041.179209][   T10]      ipv6_add_addr+0x411/0x2000
[ 8041.179209][   T10]      inet6_addr_add+0x30e/0xa40
[ 8041.179209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8041.179209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.179209][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.179209][   T10]      netlink_unicast+0x449/0x710
[ 8041.179209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.179209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.179209][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.179209][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.179209][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.179209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.179209][   T10] 
[ 8041.181218][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8041.181218][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8041.181218][   T10]      ipv6_find_idev+0x102/0x170
[ 8041.181218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8041.181218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.181218][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.181218][   T10]      netlink_unicast+0x449/0x710
[ 8041.181218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.181218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.181218][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.181218][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.181218][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.181218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.181218][   T10] 
[ 8041.182755][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8041.182755][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8041.182755][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8041.182755][   T10]      ipv6_find_idev+0x102/0x170
[ 8041.182755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8041.182755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.182755][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.182755][   T10]      netlink_unicast+0x449/0x710
[ 8041.182755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.182755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.182755][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.182755][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.182755][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.182755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.182755][   T10] 
[ 8041.184434][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8041.184683][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8041.184683][   T10]      netdev_get_by_index+0x5e/0x80
[ 8041.184683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8041.184683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8041.184683][   T10]      ip6_route_add+0x1c/0x140
[ 8041.184683][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8041.184683][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8041.184683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8041.184683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.184683][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.184683][   T10]      netlink_unicast+0x449/0x710
[ 8041.184683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.184683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.184683][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.184683][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.184683][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.184683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.184683][   T10] 
[ 8041.186697][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8041.186697][   T10]      netdev_get_by_index+0x5e/0x80
[ 8041.186697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8041.186697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8041.186697][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8041.186697][   T10]      ipv6_add_addr+0x411/0x2000
[ 8041.186697][   T10]      inet6_addr_add+0x30e/0xa40
[ 8041.186697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8041.186697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.186697][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.186697][   T10]      netlink_unicast+0x449/0x710
[ 8041.186697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.186697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.186697][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.186697][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.186697][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.186697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.186697][   T10] 
[ 8041.188685][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8041.188685][   T10]      netdev_get_by_index+0x5e/0x80
[ 8041.188685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8041.188685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8041.188685][   T10]      ip6_route_add+0x1c/0x140
[ 8041.188685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8041.188685][   T10]      addrconf_add_dev+0xe2/0x170
[ 8041.188685][   T10]      inet6_addr_add+0x12f/0xa40
[ 8041.188685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8041.188685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.188685][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.188685][   T10]      netlink_unicast+0x449/0x710
[ 8041.188685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.188685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.188685][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.188685][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.188685][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.188685][   T10] 
[ 8041.191157][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8041.191157][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8041.191157][   T10]      ipv6_find_idev+0x102/0x170
[ 8041.191157][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8041.191157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.191157][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.191157][   T10]      netlink_unicast+0x449/0x710
[ 8041.191157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.191157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.191157][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.191157][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.191157][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.191157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.191157][   T10] 
[ 8041.192684][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8041.192684][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8041.192684][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8041.192684][   T10]      ipv6_find_idev+0x102/0x170
[ 8041.192684][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8041.192684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8041.192684][   T10]      netlink_rcv_skb+0x130/0x360
[ 8041.192684][   T10]      netlink_unicast+0x449/0x710
[ 8041.192684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8041.192684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8041.192684][   T10]      ___sys_sendmsg+0xee/0x170
[ 8041.192684][   T10]      __sys_sendmsg+0xcd/0x170
[ 8041.192684][   T10]      do_syscall_64+0xc6/0x1e0
[ 8041.192684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8041.192684][   T10] 
[ 8043.386819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8043.387229][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8043.387229][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8043.387229][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8043.387229][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8043.387229][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8043.387229][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8043.387229][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8043.387229][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8043.387229][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8043.387229][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8043.387229][ T1078]      netlink_unicast+0x449/0x710
[ 8043.387229][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8043.387229][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8043.387229][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8043.387229][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8043.387229][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8043.387229][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8043.387229][ T1078] 
[ 8043.389502][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8043.389502][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8043.389502][ T1078]      ipv6_find_idev+0x102/0x170
[ 8043.389502][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8043.389502][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8043.389502][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8043.389502][ T1078]      netlink_unicast+0x449/0x710
[ 8043.389502][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8043.389502][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8043.389502][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8043.389502][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8043.389502][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8043.389502][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8043.389502][ T1078] 
[ 8043.391268][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8043.391268][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8043.391268][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8043.391268][ T1078]      ipv6_find_idev+0x102/0x170
[ 8043.391268][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8043.391268][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8043.391268][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8043.391268][ T1078]      netlink_unicast+0x449/0x710
[ 8043.391268][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8043.391268][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8043.391268][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8043.391268][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8043.391268][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8043.391268][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8043.391268][ T1078] 
[ 8051.442797][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8051.443250][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8051.443250][   T10]      netdev_get_by_index+0x5e/0x80
[ 8051.443250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8051.443250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8051.443250][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8051.443250][   T10]      ipv6_add_addr+0x411/0x2000
[ 8051.443250][   T10]      inet6_addr_add+0x30e/0xa40
[ 8051.443250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8051.443250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.443250][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.443250][   T10]      netlink_unicast+0x449/0x710
[ 8051.443250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.443250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.443250][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.443250][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.443250][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.443250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.443250][   T10] 
[ 8051.445278][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8051.445278][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8051.445278][   T10]      ipv6_find_idev+0x102/0x170
[ 8051.445278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8051.445278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.445278][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.445278][   T10]      netlink_unicast+0x449/0x710
[ 8051.445278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.445278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.445278][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.445278][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.445278][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.445278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.445278][   T10] 
[ 8051.446835][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8051.446835][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8051.446835][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8051.446835][   T10]      ipv6_find_idev+0x102/0x170
[ 8051.446835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8051.446835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.446835][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.446835][   T10]      netlink_unicast+0x449/0x710
[ 8051.446835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.446835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.446835][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.446835][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.446835][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.446835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.446835][   T10] 
[ 8051.448512][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8051.448766][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8051.448766][   T10]      netdev_get_by_index+0x5e/0x80
[ 8051.448766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8051.448766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8051.448766][   T10]      ip6_route_add+0x1c/0x140
[ 8051.448766][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8051.448766][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8051.448766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8051.448766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.448766][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.448766][   T10]      netlink_unicast+0x449/0x710
[ 8051.448766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.448766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.448766][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.448766][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.448766][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.448766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.448766][   T10] 
[ 8051.450758][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8051.450758][   T10]      netdev_get_by_index+0x5e/0x80
[ 8051.450758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8051.450758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8051.450758][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8051.450758][   T10]      ipv6_add_addr+0x411/0x2000
[ 8051.450758][   T10]      inet6_addr_add+0x30e/0xa40
[ 8051.450758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8051.450758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.450758][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.450758][   T10]      netlink_unicast+0x449/0x710
[ 8051.450758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.450758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.450758][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.450758][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.450758][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.450758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.450758][   T10] 
[ 8051.452746][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8051.452746][   T10]      netdev_get_by_index+0x5e/0x80
[ 8051.452746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8051.452746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8051.452746][   T10]      ip6_route_add+0x1c/0x140
[ 8051.452746][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8051.452746][   T10]      addrconf_add_dev+0xe2/0x170
[ 8051.452746][   T10]      inet6_addr_add+0x12f/0xa40
[ 8051.452746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8051.452746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.452746][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.452746][   T10]      netlink_unicast+0x449/0x710
[ 8051.452746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.452746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.452746][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.452746][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.452746][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.452746][   T10] 
[ 8051.454696][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8051.454696][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8051.454696][   T10]      ipv6_find_idev+0x102/0x170
[ 8051.454696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8051.454696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.454696][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.454696][   T10]      netlink_unicast+0x449/0x710
[ 8051.454696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.454696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.454696][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.454696][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.454696][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.454696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.454696][   T10] 
[ 8051.456250][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8051.456250][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8051.456250][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8051.456250][   T10]      ipv6_find_idev+0x102/0x170
[ 8051.456250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8051.456250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8051.456250][   T10]      netlink_rcv_skb+0x130/0x360
[ 8051.456250][   T10]      netlink_unicast+0x449/0x710
[ 8051.456250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8051.456250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8051.456250][   T10]      ___sys_sendmsg+0xee/0x170
[ 8051.456250][   T10]      __sys_sendmsg+0xcd/0x170
[ 8051.456250][   T10]      do_syscall_64+0xc6/0x1e0
[ 8051.456250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8051.456250][   T10] 
[ 8053.634828][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8053.635299][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8053.635299][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8053.635299][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8053.635299][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8053.635299][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8053.635299][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8053.635299][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8053.635299][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8053.635299][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8053.635299][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8053.635299][ T1078]      netlink_unicast+0x449/0x710
[ 8053.635299][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8053.635299][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8053.635299][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8053.635299][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8053.635299][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8053.635299][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8053.635299][ T1078] 
[ 8053.637573][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8053.637573][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8053.637573][ T1078]      ipv6_find_idev+0x102/0x170
[ 8053.637573][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8053.637573][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8053.637573][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8053.637573][ T1078]      netlink_unicast+0x449/0x710
[ 8053.637573][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8053.637573][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8053.637573][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8053.637573][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8053.637573][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8053.637573][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8053.637573][ T1078] 
[ 8053.639299][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8053.639299][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8053.639299][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8053.639299][ T1078]      ipv6_find_idev+0x102/0x170
[ 8053.639299][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8053.639299][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8053.639299][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8053.639299][ T1078]      netlink_unicast+0x449/0x710
[ 8053.639299][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8053.639299][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8053.639299][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8053.639299][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8053.639299][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8053.639299][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8053.639299][ T1078] 
[ 8061.706806][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8061.707168][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8061.707168][   T10]      netdev_get_by_index+0x5e/0x80
[ 8061.707168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8061.707168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8061.707168][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8061.707168][   T10]      ipv6_add_addr+0x411/0x2000
[ 8061.707168][   T10]      inet6_addr_add+0x30e/0xa40
[ 8061.707168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8061.707168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.707168][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.707168][   T10]      netlink_unicast+0x449/0x710
[ 8061.707168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.707168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.707168][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.707168][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.707168][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.707168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.707168][   T10] 
[ 8061.709165][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8061.709165][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8061.709165][   T10]      ipv6_find_idev+0x102/0x170
[ 8061.709165][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8061.709165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.709165][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.709165][   T10]      netlink_unicast+0x449/0x710
[ 8061.709165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.709165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.709165][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.709165][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.709165][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.709165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.709165][   T10] 
[ 8061.710704][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8061.710704][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8061.710704][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8061.710704][   T10]      ipv6_find_idev+0x102/0x170
[ 8061.710704][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8061.710704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.710704][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.710704][   T10]      netlink_unicast+0x449/0x710
[ 8061.710704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.710704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.710704][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.710704][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.710704][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.710704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.710704][   T10] 
[ 8061.712385][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8061.712627][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8061.712627][   T10]      netdev_get_by_index+0x5e/0x80
[ 8061.712627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8061.712627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8061.712627][   T10]      ip6_route_add+0x1c/0x140
[ 8061.712627][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8061.712627][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8061.712627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8061.712627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.712627][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.712627][   T10]      netlink_unicast+0x449/0x710
[ 8061.712627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.712627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.712627][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.712627][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.712627][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.712627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.712627][   T10] 
[ 8061.714617][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8061.714617][   T10]      netdev_get_by_index+0x5e/0x80
[ 8061.714617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8061.714617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8061.714617][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8061.714617][   T10]      ipv6_add_addr+0x411/0x2000
[ 8061.714617][   T10]      inet6_addr_add+0x30e/0xa40
[ 8061.714617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8061.714617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.714617][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.714617][   T10]      netlink_unicast+0x449/0x710
[ 8061.714617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.714617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.714617][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.714617][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.714617][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.714617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.714617][   T10] 
[ 8061.716612][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8061.716612][   T10]      netdev_get_by_index+0x5e/0x80
[ 8061.716612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8061.716612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8061.716612][   T10]      ip6_route_add+0x1c/0x140
[ 8061.716612][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8061.716612][   T10]      addrconf_add_dev+0xe2/0x170
[ 8061.716612][   T10]      inet6_addr_add+0x12f/0xa40
[ 8061.716612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8061.716612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.716612][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.716612][   T10]      netlink_unicast+0x449/0x710
[ 8061.716612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.716612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.716612][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.716612][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.716612][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.716612][   T10] 
[ 8061.718559][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8061.718559][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8061.718559][   T10]      ipv6_find_idev+0x102/0x170
[ 8061.718559][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8061.718559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.718559][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.718559][   T10]      netlink_unicast+0x449/0x710
[ 8061.718559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.718559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.718559][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.718559][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.718559][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.718559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.718559][   T10] 
[ 8061.720092][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8061.720092][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8061.720092][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8061.720092][   T10]      ipv6_find_idev+0x102/0x170
[ 8061.720092][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8061.720092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8061.720092][   T10]      netlink_rcv_skb+0x130/0x360
[ 8061.720092][   T10]      netlink_unicast+0x449/0x710
[ 8061.720092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8061.720092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8061.720092][   T10]      ___sys_sendmsg+0xee/0x170
[ 8061.720092][   T10]      __sys_sendmsg+0xcd/0x170
[ 8061.720092][   T10]      do_syscall_64+0xc6/0x1e0
[ 8061.720092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8061.720092][   T10] 
[ 8063.882806][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8063.883293][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8063.883293][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8063.883293][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8063.883293][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8063.883293][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8063.883293][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8063.883293][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8063.883293][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8063.883293][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8063.883293][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8063.883293][ T1078]      netlink_unicast+0x449/0x710
[ 8063.883293][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8063.883293][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8063.883293][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8063.883293][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8063.883293][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8063.883293][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8063.883293][ T1078] 
[ 8063.885556][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8063.885556][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8063.885556][ T1078]      ipv6_find_idev+0x102/0x170
[ 8063.885556][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8063.885556][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8063.885556][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8063.885556][ T1078]      netlink_unicast+0x449/0x710
[ 8063.885556][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8063.885556][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8063.885556][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8063.885556][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8063.885556][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8063.885556][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8063.885556][ T1078] 
[ 8063.887302][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8063.887302][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8063.887302][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8063.887302][ T1078]      ipv6_find_idev+0x102/0x170
[ 8063.887302][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8063.887302][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8063.887302][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8063.887302][ T1078]      netlink_unicast+0x449/0x710
[ 8063.887302][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8063.887302][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8063.887302][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8063.887302][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8063.887302][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8063.887302][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8063.887302][ T1078] 
[ 8071.970806][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8071.971218][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8071.971218][   T10]      netdev_get_by_index+0x5e/0x80
[ 8071.971218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8071.971218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8071.971218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8071.971218][   T10]      ipv6_add_addr+0x411/0x2000
[ 8071.971218][   T10]      inet6_addr_add+0x30e/0xa40
[ 8071.971218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8071.971218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.971218][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.971218][   T10]      netlink_unicast+0x449/0x710
[ 8071.971218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.971218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.971218][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.971218][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.971218][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.971218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.971218][   T10] 
[ 8071.973234][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8071.973234][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8071.973234][   T10]      ipv6_find_idev+0x102/0x170
[ 8071.973234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8071.973234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.973234][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.973234][   T10]      netlink_unicast+0x449/0x710
[ 8071.973234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.973234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.973234][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.973234][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.973234][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.973234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.973234][   T10] 
[ 8071.974771][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8071.974771][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8071.974771][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8071.974771][   T10]      ipv6_find_idev+0x102/0x170
[ 8071.974771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8071.974771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.974771][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.974771][   T10]      netlink_unicast+0x449/0x710
[ 8071.974771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.974771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.974771][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.974771][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.974771][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.974771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.974771][   T10] 
[ 8071.976457][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8071.976696][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8071.976696][   T10]      netdev_get_by_index+0x5e/0x80
[ 8071.976696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8071.976696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8071.976696][   T10]      ip6_route_add+0x1c/0x140
[ 8071.976696][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8071.976696][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8071.976696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8071.976696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.976696][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.976696][   T10]      netlink_unicast+0x449/0x710
[ 8071.976696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.976696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.976696][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.976696][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.976696][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.976696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.976696][   T10] 
[ 8071.978685][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8071.978685][   T10]      netdev_get_by_index+0x5e/0x80
[ 8071.978685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8071.978685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8071.978685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8071.978685][   T10]      ipv6_add_addr+0x411/0x2000
[ 8071.978685][   T10]      inet6_addr_add+0x30e/0xa40
[ 8071.978685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8071.978685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.978685][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.978685][   T10]      netlink_unicast+0x449/0x710
[ 8071.978685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.978685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.978685][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.978685][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.978685][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.978685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.978685][   T10] 
[ 8071.980681][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8071.980681][   T10]      netdev_get_by_index+0x5e/0x80
[ 8071.980681][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8071.980681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8071.980681][   T10]      ip6_route_add+0x1c/0x140
[ 8071.980681][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8071.980681][   T10]      addrconf_add_dev+0xe2/0x170
[ 8071.980681][   T10]      inet6_addr_add+0x12f/0xa40
[ 8071.980681][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8071.980681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.980681][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.980681][   T10]      netlink_unicast+0x449/0x710
[ 8071.980681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.980681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.980681][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.980681][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.980681][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.980681][   T10] 
[ 8071.982648][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8071.982648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8071.982648][   T10]      ipv6_find_idev+0x102/0x170
[ 8071.982648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8071.982648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.982648][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.982648][   T10]      netlink_unicast+0x449/0x710
[ 8071.982648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.982648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.982648][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.982648][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.982648][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.982648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.982648][   T10] 
[ 8071.984180][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8071.984180][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8071.984180][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8071.984180][   T10]      ipv6_find_idev+0x102/0x170
[ 8071.984180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8071.984180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8071.984180][   T10]      netlink_rcv_skb+0x130/0x360
[ 8071.984180][   T10]      netlink_unicast+0x449/0x710
[ 8071.984180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8071.984180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8071.984180][   T10]      ___sys_sendmsg+0xee/0x170
[ 8071.984180][   T10]      __sys_sendmsg+0xcd/0x170
[ 8071.984180][   T10]      do_syscall_64+0xc6/0x1e0
[ 8071.984180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8071.984180][   T10] 
[ 8074.130803][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8074.131285][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8074.131285][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8074.131285][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8074.131285][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8074.131285][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8074.131285][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8074.131285][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8074.131285][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8074.131285][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8074.131285][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8074.131285][ T1078]      netlink_unicast+0x449/0x710
[ 8074.131285][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8074.131285][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8074.131285][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8074.131285][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8074.131285][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8074.131285][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8074.131285][ T1078] 
[ 8074.133554][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8074.133554][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8074.133554][ T1078]      ipv6_find_idev+0x102/0x170
[ 8074.133554][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8074.133554][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8074.133554][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8074.133554][ T1078]      netlink_unicast+0x449/0x710
[ 8074.133554][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8074.133554][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8074.133554][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8074.133554][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8074.133554][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8074.133554][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8074.133554][ T1078] 
[ 8074.135294][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8074.135294][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8074.135294][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8074.135294][ T1078]      ipv6_find_idev+0x102/0x170
[ 8074.135294][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8074.135294][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8074.135294][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8074.135294][ T1078]      netlink_unicast+0x449/0x710
[ 8074.135294][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8074.135294][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8074.135294][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8074.135294][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8074.135294][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8074.135294][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8074.135294][ T1078] 
[ 8082.234861][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8082.235258][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8082.235258][   T10]      netdev_get_by_index+0x5e/0x80
[ 8082.235258][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8082.235258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8082.235258][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8082.235258][   T10]      ipv6_add_addr+0x411/0x2000
[ 8082.235258][   T10]      inet6_addr_add+0x30e/0xa40
[ 8082.235258][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8082.235258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.235258][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.235258][   T10]      netlink_unicast+0x449/0x710
[ 8082.235258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.235258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.235258][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.235258][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.235258][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.235258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.235258][   T10] 
[ 8082.237315][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8082.237315][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8082.237315][   T10]      ipv6_find_idev+0x102/0x170
[ 8082.237315][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8082.237315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.237315][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.237315][   T10]      netlink_unicast+0x449/0x710
[ 8082.237315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.237315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.237315][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.237315][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.237315][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.237315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.237315][   T10] 
[ 8082.238876][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8082.238876][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8082.238876][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8082.238876][   T10]      ipv6_find_idev+0x102/0x170
[ 8082.238876][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8082.238876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.238876][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.238876][   T10]      netlink_unicast+0x449/0x710
[ 8082.238876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.238876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.238876][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.238876][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.238876][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.238876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.238876][   T10] 
[ 8082.240566][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8082.240824][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8082.240824][   T10]      netdev_get_by_index+0x5e/0x80
[ 8082.240824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8082.240824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8082.240824][   T10]      ip6_route_add+0x1c/0x140
[ 8082.240824][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8082.240824][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8082.240824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8082.240824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.240824][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.240824][   T10]      netlink_unicast+0x449/0x710
[ 8082.240824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.240824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.240824][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.240824][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.240824][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.240824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.240824][   T10] 
[ 8082.242830][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8082.242830][   T10]      netdev_get_by_index+0x5e/0x80
[ 8082.242830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8082.242830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8082.242830][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8082.242830][   T10]      ipv6_add_addr+0x411/0x2000
[ 8082.242830][   T10]      inet6_addr_add+0x30e/0xa40
[ 8082.242830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8082.242830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.242830][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.242830][   T10]      netlink_unicast+0x449/0x710
[ 8082.242830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.242830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.242830][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.242830][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.242830][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.242830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.242830][   T10] 
[ 8082.244825][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8082.244825][   T10]      netdev_get_by_index+0x5e/0x80
[ 8082.244825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8082.244825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8082.244825][   T10]      ip6_route_add+0x1c/0x140
[ 8082.244825][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8082.244825][   T10]      addrconf_add_dev+0xe2/0x170
[ 8082.244825][   T10]      inet6_addr_add+0x12f/0xa40
[ 8082.244825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8082.244825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.244825][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.244825][   T10]      netlink_unicast+0x449/0x710
[ 8082.244825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.244825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.244825][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.244825][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.244825][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.244825][   T10] 
[ 8082.246790][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8082.246790][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8082.246790][   T10]      ipv6_find_idev+0x102/0x170
[ 8082.246790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8082.246790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.246790][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.246790][   T10]      netlink_unicast+0x449/0x710
[ 8082.246790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.246790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.246790][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.246790][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.246790][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.246790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.246790][   T10] 
[ 8082.248341][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8082.248341][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8082.248341][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8082.248341][   T10]      ipv6_find_idev+0x102/0x170
[ 8082.248341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8082.248341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8082.248341][   T10]      netlink_rcv_skb+0x130/0x360
[ 8082.248341][   T10]      netlink_unicast+0x449/0x710
[ 8082.248341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8082.248341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8082.248341][   T10]      ___sys_sendmsg+0xee/0x170
[ 8082.248341][   T10]      __sys_sendmsg+0xcd/0x170
[ 8082.248341][   T10]      do_syscall_64+0xc6/0x1e0
[ 8082.248341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8082.248341][   T10] 
[ 8084.378815][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8084.379233][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8084.379233][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8084.379233][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8084.379233][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8084.379233][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8084.379233][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8084.379233][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8084.379233][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8084.379233][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8084.379233][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8084.379233][ T1078]      netlink_unicast+0x449/0x710
[ 8084.379233][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8084.379233][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8084.379233][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8084.379233][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8084.379233][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8084.379233][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8084.379233][ T1078] 
[ 8084.381524][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8084.381524][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8084.381524][ T1078]      ipv6_find_idev+0x102/0x170
[ 8084.381524][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8084.381524][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8084.381524][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8084.381524][ T1078]      netlink_unicast+0x449/0x710
[ 8084.381524][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8084.381524][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8084.381524][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8084.381524][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8084.381524][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8084.381524][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8084.381524][ T1078] 
[ 8084.383258][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8084.383258][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8084.383258][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8084.383258][ T1078]      ipv6_find_idev+0x102/0x170
[ 8084.383258][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8084.383258][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8084.383258][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8084.383258][ T1078]      netlink_unicast+0x449/0x710
[ 8084.383258][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8084.383258][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8084.383258][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8084.383258][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8084.383258][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8084.383258][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8084.383258][ T1078] 
[ 8092.498876][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8092.499357][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8092.499357][   T10]      netdev_get_by_index+0x5e/0x80
[ 8092.499357][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8092.499357][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8092.499357][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8092.499357][   T10]      ipv6_add_addr+0x411/0x2000
[ 8092.499357][   T10]      inet6_addr_add+0x30e/0xa40
[ 8092.499357][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8092.499357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.499357][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.499357][   T10]      netlink_unicast+0x449/0x710
[ 8092.499357][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.499357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.499357][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.499357][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.499357][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.499357][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.499357][   T10] 
[ 8092.501507][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8092.501507][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8092.501507][   T10]      ipv6_find_idev+0x102/0x170
[ 8092.501507][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8092.501507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.501507][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.501507][   T10]      netlink_unicast+0x449/0x710
[ 8092.501507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.501507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.501507][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.501507][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.501507][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.501507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.501507][   T10] 
[ 8092.503038][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8092.503038][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8092.503038][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8092.503038][   T10]      ipv6_find_idev+0x102/0x170
[ 8092.503038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8092.503038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.503038][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.503038][   T10]      netlink_unicast+0x449/0x710
[ 8092.503038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.503038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.503038][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.503038][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.503038][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.503038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.503038][   T10] 
[ 8092.504725][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8092.504962][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8092.504962][   T10]      netdev_get_by_index+0x5e/0x80
[ 8092.504962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8092.504962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8092.504962][   T10]      ip6_route_add+0x1c/0x140
[ 8092.504962][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8092.504962][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8092.504962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8092.504962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.504962][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.504962][   T10]      netlink_unicast+0x449/0x710
[ 8092.504962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.504962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.504962][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.504962][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.504962][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.504962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.504962][   T10] 
[ 8092.506971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8092.506971][   T10]      netdev_get_by_index+0x5e/0x80
[ 8092.506971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8092.506971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8092.506971][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8092.506971][   T10]      ipv6_add_addr+0x411/0x2000
[ 8092.506971][   T10]      inet6_addr_add+0x30e/0xa40
[ 8092.506971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8092.506971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.506971][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.506971][   T10]      netlink_unicast+0x449/0x710
[ 8092.506971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.506971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.506971][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.506971][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.506971][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.506971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.506971][   T10] 
[ 8092.508967][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8092.508967][   T10]      netdev_get_by_index+0x5e/0x80
[ 8092.508967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8092.508967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8092.508967][   T10]      ip6_route_add+0x1c/0x140
[ 8092.508967][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8092.508967][   T10]      addrconf_add_dev+0xe2/0x170
[ 8092.508967][   T10]      inet6_addr_add+0x12f/0xa40
[ 8092.508967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8092.508967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.508967][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.508967][   T10]      netlink_unicast+0x449/0x710
[ 8092.508967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.508967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.508967][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.508967][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.508967][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.508967][   T10] 
[ 8092.510923][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8092.510923][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8092.510923][   T10]      ipv6_find_idev+0x102/0x170
[ 8092.510923][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8092.510923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.510923][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.510923][   T10]      netlink_unicast+0x449/0x710
[ 8092.510923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.510923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.510923][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.510923][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.510923][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.510923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.510923][   T10] 
[ 8092.512471][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8092.512471][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8092.512471][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8092.512471][   T10]      ipv6_find_idev+0x102/0x170
[ 8092.512471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8092.512471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8092.512471][   T10]      netlink_rcv_skb+0x130/0x360
[ 8092.512471][   T10]      netlink_unicast+0x449/0x710
[ 8092.512471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8092.512471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8092.512471][   T10]      ___sys_sendmsg+0xee/0x170
[ 8092.512471][   T10]      __sys_sendmsg+0xcd/0x170
[ 8092.512471][   T10]      do_syscall_64+0xc6/0x1e0
[ 8092.512471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8092.512471][   T10] 
[ 8094.626777][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8094.627192][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8094.627192][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8094.627192][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8094.627192][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8094.627192][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8094.627192][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8094.627192][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8094.627192][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8094.627192][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8094.627192][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8094.627192][ T1078]      netlink_unicast+0x449/0x710
[ 8094.627192][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8094.627192][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8094.627192][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8094.627192][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8094.627192][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8094.627192][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8094.627192][ T1078] 
[ 8094.629462][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8094.629462][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8094.629462][ T1078]      ipv6_find_idev+0x102/0x170
[ 8094.629462][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8094.629462][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8094.629462][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8094.629462][ T1078]      netlink_unicast+0x449/0x710
[ 8094.629462][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8094.629462][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8094.629462][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8094.629462][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8094.629462][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8094.629462][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8094.629462][ T1078] 
[ 8094.631193][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8094.631193][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8094.631193][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8094.631193][ T1078]      ipv6_find_idev+0x102/0x170
[ 8094.631193][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8094.631193][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8094.631193][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8094.631193][ T1078]      netlink_unicast+0x449/0x710
[ 8094.631193][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8094.631193][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8094.631193][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8094.631193][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8094.631193][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8094.631193][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8094.631193][ T1078] 
[ 8102.674824][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8102.675202][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8102.675202][   T10]      netdev_get_by_index+0x5e/0x80
[ 8102.675202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8102.675202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8102.675202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8102.675202][   T10]      ipv6_add_addr+0x411/0x2000
[ 8102.675202][   T10]      inet6_addr_add+0x30e/0xa40
[ 8102.675202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8102.675202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.675202][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.675202][   T10]      netlink_unicast+0x449/0x710
[ 8102.675202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.675202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.675202][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.675202][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.675202][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.675202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.675202][   T10] 
[ 8102.677369][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8102.677369][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8102.677369][   T10]      ipv6_find_idev+0x102/0x170
[ 8102.677369][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8102.677369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.677369][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.677369][   T10]      netlink_unicast+0x449/0x710
[ 8102.677369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.677369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.677369][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.677369][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.677369][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.677369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.677369][   T10] 
[ 8102.678950][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8102.678950][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8102.678950][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8102.678950][   T10]      ipv6_find_idev+0x102/0x170
[ 8102.678950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8102.678950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.678950][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.678950][   T10]      netlink_unicast+0x449/0x710
[ 8102.678950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.678950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.678950][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.678950][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.678950][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.678950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.678950][   T10] 
[ 8102.680712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8102.680963][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8102.680963][   T10]      netdev_get_by_index+0x5e/0x80
[ 8102.680963][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8102.680963][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8102.680963][   T10]      ip6_route_add+0x1c/0x140
[ 8102.680963][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8102.680963][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8102.680963][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8102.680963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.680963][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.680963][   T10]      netlink_unicast+0x449/0x710
[ 8102.680963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.680963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.680963][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.680963][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.680963][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.680963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.680963][   T10] 
[ 8102.682998][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8102.682998][   T10]      netdev_get_by_index+0x5e/0x80
[ 8102.682998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8102.682998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8102.682998][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8102.682998][   T10]      ipv6_add_addr+0x411/0x2000
[ 8102.682998][   T10]      inet6_addr_add+0x30e/0xa40
[ 8102.682998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8102.682998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.682998][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.682998][   T10]      netlink_unicast+0x449/0x710
[ 8102.682998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.682998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.682998][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.682998][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.682998][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.682998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.682998][   T10] 
[ 8102.685008][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8102.685008][   T10]      netdev_get_by_index+0x5e/0x80
[ 8102.685008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8102.685008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8102.685008][   T10]      ip6_route_add+0x1c/0x140
[ 8102.685008][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8102.685008][   T10]      addrconf_add_dev+0xe2/0x170
[ 8102.685008][   T10]      inet6_addr_add+0x12f/0xa40
[ 8102.685008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8102.685008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.685008][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.685008][   T10]      netlink_unicast+0x449/0x710
[ 8102.685008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.685008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.685008][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.685008][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.685008][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.685008][   T10] 
[ 8102.687018][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8102.687018][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8102.687018][   T10]      ipv6_find_idev+0x102/0x170
[ 8102.687018][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8102.687018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.687018][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.687018][   T10]      netlink_unicast+0x449/0x710
[ 8102.687018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.687018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.687018][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.687018][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.687018][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.687018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.687018][   T10] 
[ 8102.688566][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8102.688566][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8102.688566][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8102.688566][   T10]      ipv6_find_idev+0x102/0x170
[ 8102.688566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8102.688566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8102.688566][   T10]      netlink_rcv_skb+0x130/0x360
[ 8102.688566][   T10]      netlink_unicast+0x449/0x710
[ 8102.688566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8102.688566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8102.688566][   T10]      ___sys_sendmsg+0xee/0x170
[ 8102.688566][   T10]      __sys_sendmsg+0xcd/0x170
[ 8102.688566][   T10]      do_syscall_64+0xc6/0x1e0
[ 8102.688566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8102.688566][   T10] 
[ 8104.722915][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8104.723414][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8104.723414][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8104.723414][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8104.723414][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8104.723414][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8104.723414][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8104.723414][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8104.723414][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8104.723414][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8104.723414][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8104.723414][ T1078]      netlink_unicast+0x449/0x710
[ 8104.723414][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8104.723414][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8104.723414][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8104.723414][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8104.723414][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8104.723414][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8104.723414][ T1078] 
[ 8104.725677][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8104.725677][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8104.725677][ T1078]      ipv6_find_idev+0x102/0x170
[ 8104.725677][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8104.725677][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8104.725677][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8104.725677][ T1078]      netlink_unicast+0x449/0x710
[ 8104.725677][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8104.725677][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8104.725677][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8104.725677][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8104.725677][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8104.725677][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8104.725677][ T1078] 
[ 8104.727437][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8104.727437][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8104.727437][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8104.727437][ T1078]      ipv6_find_idev+0x102/0x170
[ 8104.727437][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8104.727437][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8104.727437][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8104.727437][ T1078]      netlink_unicast+0x449/0x710
[ 8104.727437][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8104.727437][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8104.727437][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8104.727437][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8104.727437][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8104.727437][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8104.727437][ T1078] 
[ 8111.402744][   T42] INFO: task modprobe:1347 blocked for more than 737 seconds.
[ 8111.403010][   T42]       Not tainted 6.8.0-virtme #1
[ 8111.403127][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 8111.403324][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 8111.403574][   T42] Call Trace:
[ 8111.403687][   T42]  <TASK>
[ 8111.403781][   T42]  __schedule+0x705/0x1ac0
[ 8111.403920][   T42]  ? __pfx___schedule+0x10/0x10
[ 8111.404043][   T42]  ? schedule+0x1a5/0x210
[ 8111.404140][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8111.404270][   T42]  ? mark_lock+0x38/0x3e0
[ 8111.404364][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 8111.404501][   T42]  ? schedule+0x1a5/0x210
[ 8111.404596][   T42]  schedule+0xdf/0x210
[ 8111.404724][   T42]  schedule_preempt_disabled+0x15/0x30
[ 8111.404873][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 8111.405005][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 8111.405157][   T42]  ? kasan_save_stack+0x34/0x50
[ 8111.405283][   T42]  ? kasan_save_stack+0x24/0x50
[ 8111.405409][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8111.405538][   T42]  ? lock_acquire+0x1c1/0x220
[ 8111.405659][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 8111.405805][   T42]  down_write+0x1c9/0x200
[ 8111.405900][   T42]  ? __pfx_down_write+0x10/0x10
[ 8111.406025][   T42]  ? __pfx___lock_release+0x10/0x10
[ 8111.406164][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 8111.406357][   T42]  register_pernet_subsys+0x1a/0x50
[ 8111.406483][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 8111.406663][   T42]  do_one_initcall+0xc8/0x3f0
[ 8111.406803][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 8111.406930][   T42]  ? __create_object+0x5e/0xb0
[ 8111.407065][   T42]  ? kasan_unpoison+0x27/0x60
[ 8111.407193][   T42]  do_init_module+0x233/0x740
[ 8111.407327][   T42]  load_module+0x16b5/0x2350
[ 8111.407462][   T42]  ? __pfx_load_module+0x10/0x10
[ 8111.407586][   T42]  ? kernel_read_file+0x3d2/0x520
[ 8111.407728][   T42]  ? kernel_read_file+0x300/0x520
[ 8111.407859][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 8111.407989][   T42]  ? init_module_from_file+0xd2/0x130
[ 8111.408113][   T42]  init_module_from_file+0xd2/0x130
[ 8111.408238][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 8111.408390][   T42]  ? __lock_release+0x103/0x460
[ 8111.408512][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8111.408650][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8111.408783][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 8111.408909][   T42]  idempotent_init_module+0x342/0x620
[ 8111.409035][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 8111.409209][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 8111.409343][   T42]  do_syscall_64+0xc6/0x1e0
[ 8111.409470][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8111.409619][   T42] RIP: 0033:0x7f688a3aae5d
[ 8111.409782][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 8111.409966][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 8111.410147][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 8111.410335][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 8111.410516][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 8111.410706][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 8111.410910][   T42]  </TASK>
[ 8111.411004][   T42] 
[ 8111.411004][   T42] Showing all locks held in the system:
[ 8111.411181][   T42] 3 locks held by kworker/u16:0/10:
[ 8111.411299][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8111.411550][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8111.411776][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 8111.412004][   T42] 1 lock held by khungtaskd/42:
[ 8111.412125][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 8111.412342][   T42] 2 locks held by kworker/u19:1/60:
[ 8111.412460][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8111.412715][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8111.412996][   T42] 1 lock held by modprobe/1347:
[ 8111.413112][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 8111.413357][   T42] 
[ 8111.413418][   T42] =============================================
[ 8111.413418][   T42] 
[ 8112.930863][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8112.931676][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8112.931676][   T10]      netdev_get_by_index+0x5e/0x80
[ 8112.931676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8112.931676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8112.931676][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8112.931676][   T10]      ipv6_add_addr+0x411/0x2000
[ 8112.931676][   T10]      inet6_addr_add+0x30e/0xa40
[ 8112.931676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8112.931676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.931676][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.931676][   T10]      netlink_unicast+0x449/0x710
[ 8112.931676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.931676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.931676][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.931676][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.931676][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.931676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.931676][   T10] 
[ 8112.933894][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8112.933894][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8112.933894][   T10]      ipv6_find_idev+0x102/0x170
[ 8112.933894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8112.933894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.933894][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.933894][   T10]      netlink_unicast+0x449/0x710
[ 8112.933894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.933894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.933894][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.933894][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.933894][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.933894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.933894][   T10] 
[ 8112.935431][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8112.935431][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8112.935431][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8112.935431][   T10]      ipv6_find_idev+0x102/0x170
[ 8112.935431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8112.935431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.935431][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.935431][   T10]      netlink_unicast+0x449/0x710
[ 8112.935431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.935431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.935431][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.935431][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.935431][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.935431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.935431][   T10] 
[ 8112.937127][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8112.937368][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8112.937368][   T10]      netdev_get_by_index+0x5e/0x80
[ 8112.937368][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8112.937368][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8112.937368][   T10]      ip6_route_add+0x1c/0x140
[ 8112.937368][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8112.937368][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8112.937368][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8112.937368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.937368][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.937368][   T10]      netlink_unicast+0x449/0x710
[ 8112.937368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.937368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.937368][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.937368][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.937368][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.937368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.937368][   T10] 
[ 8112.939374][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8112.939374][   T10]      netdev_get_by_index+0x5e/0x80
[ 8112.939374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8112.939374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8112.939374][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8112.939374][   T10]      ipv6_add_addr+0x411/0x2000
[ 8112.939374][   T10]      inet6_addr_add+0x30e/0xa40
[ 8112.939374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8112.939374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.939374][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.939374][   T10]      netlink_unicast+0x449/0x710
[ 8112.939374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.939374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.939374][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.939374][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.939374][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.939374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.939374][   T10] 
[ 8112.941375][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8112.941375][   T10]      netdev_get_by_index+0x5e/0x80
[ 8112.941375][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8112.941375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8112.941375][   T10]      ip6_route_add+0x1c/0x140
[ 8112.941375][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8112.941375][   T10]      addrconf_add_dev+0xe2/0x170
[ 8112.941375][   T10]      inet6_addr_add+0x12f/0xa40
[ 8112.941375][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8112.941375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.941375][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.941375][   T10]      netlink_unicast+0x449/0x710
[ 8112.941375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.941375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.941375][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.941375][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.941375][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.941375][   T10] 
[ 8112.943338][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8112.943338][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8112.943338][   T10]      ipv6_find_idev+0x102/0x170
[ 8112.943338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8112.943338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.943338][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.943338][   T10]      netlink_unicast+0x449/0x710
[ 8112.943338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.943338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.943338][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.943338][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.943338][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.943338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.943338][   T10] 
[ 8112.944890][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8112.944890][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8112.944890][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8112.944890][   T10]      ipv6_find_idev+0x102/0x170
[ 8112.944890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8112.944890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8112.944890][   T10]      netlink_rcv_skb+0x130/0x360
[ 8112.944890][   T10]      netlink_unicast+0x449/0x710
[ 8112.944890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8112.944890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8112.944890][   T10]      ___sys_sendmsg+0xee/0x170
[ 8112.944890][   T10]      __sys_sendmsg+0xcd/0x170
[ 8112.944890][   T10]      do_syscall_64+0xc6/0x1e0
[ 8112.944890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8112.944890][   T10] 
[ 8114.978806][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8114.979298][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8114.979298][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8114.979298][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8114.979298][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8114.979298][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8114.979298][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8114.979298][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8114.979298][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8114.979298][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8114.979298][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8114.979298][ T1078]      netlink_unicast+0x449/0x710
[ 8114.979298][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8114.979298][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8114.979298][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8114.979298][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8114.979298][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8114.979298][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8114.979298][ T1078] 
[ 8114.981551][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8114.981551][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8114.981551][ T1078]      ipv6_find_idev+0x102/0x170
[ 8114.981551][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8114.981551][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8114.981551][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8114.981551][ T1078]      netlink_unicast+0x449/0x710
[ 8114.981551][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8114.981551][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8114.981551][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8114.981551][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8114.981551][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8114.981551][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8114.981551][ T1078] 
[ 8114.983286][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8114.983286][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8114.983286][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8114.983286][ T1078]      ipv6_find_idev+0x102/0x170
[ 8114.983286][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8114.983286][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8114.983286][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8114.983286][ T1078]      netlink_unicast+0x449/0x710
[ 8114.983286][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8114.983286][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8114.983286][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8114.983286][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8114.983286][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8114.983286][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8114.983286][ T1078] 
[ 8123.186743][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8123.187173][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8123.187173][   T10]      netdev_get_by_index+0x5e/0x80
[ 8123.187173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8123.187173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8123.187173][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8123.187173][   T10]      ipv6_add_addr+0x411/0x2000
[ 8123.187173][   T10]      inet6_addr_add+0x30e/0xa40
[ 8123.187173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8123.187173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.187173][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.187173][   T10]      netlink_unicast+0x449/0x710
[ 8123.187173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.187173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.187173][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.187173][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.187173][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.187173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.187173][   T10] 
[ 8123.189211][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8123.189211][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8123.189211][   T10]      ipv6_find_idev+0x102/0x170
[ 8123.189211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8123.189211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.189211][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.189211][   T10]      netlink_unicast+0x449/0x710
[ 8123.189211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.189211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.189211][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.189211][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.189211][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.189211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.189211][   T10] 
[ 8123.190768][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8123.190768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8123.190768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8123.190768][   T10]      ipv6_find_idev+0x102/0x170
[ 8123.190768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8123.190768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.190768][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.190768][   T10]      netlink_unicast+0x449/0x710
[ 8123.190768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.190768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.190768][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.190768][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.190768][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.190768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.190768][   T10] 
[ 8123.192485][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8123.192734][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8123.192734][   T10]      netdev_get_by_index+0x5e/0x80
[ 8123.192734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8123.192734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8123.192734][   T10]      ip6_route_add+0x1c/0x140
[ 8123.192734][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8123.192734][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8123.192734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8123.192734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.192734][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.192734][   T10]      netlink_unicast+0x449/0x710
[ 8123.192734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.192734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.192734][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.192734][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.192734][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.192734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.192734][   T10] 
[ 8123.194748][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8123.194748][   T10]      netdev_get_by_index+0x5e/0x80
[ 8123.194748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8123.194748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8123.194748][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8123.194748][   T10]      ipv6_add_addr+0x411/0x2000
[ 8123.194748][   T10]      inet6_addr_add+0x30e/0xa40
[ 8123.194748][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8123.194748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.194748][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.194748][   T10]      netlink_unicast+0x449/0x710
[ 8123.194748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.194748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.194748][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.194748][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.194748][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.194748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.194748][   T10] 
[ 8123.196775][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8123.196775][   T10]      netdev_get_by_index+0x5e/0x80
[ 8123.196775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8123.196775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8123.196775][   T10]      ip6_route_add+0x1c/0x140
[ 8123.196775][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8123.196775][   T10]      addrconf_add_dev+0xe2/0x170
[ 8123.196775][   T10]      inet6_addr_add+0x12f/0xa40
[ 8123.196775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8123.196775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.196775][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.196775][   T10]      netlink_unicast+0x449/0x710
[ 8123.196775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.196775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.196775][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.196775][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.196775][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.196775][   T10] 
[ 8123.198754][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8123.198754][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8123.198754][   T10]      ipv6_find_idev+0x102/0x170
[ 8123.198754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8123.198754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.198754][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.198754][   T10]      netlink_unicast+0x449/0x710
[ 8123.198754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.198754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.198754][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.198754][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.198754][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.198754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.198754][   T10] 
[ 8123.200302][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8123.200302][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8123.200302][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8123.200302][   T10]      ipv6_find_idev+0x102/0x170
[ 8123.200302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8123.200302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8123.200302][   T10]      netlink_rcv_skb+0x130/0x360
[ 8123.200302][   T10]      netlink_unicast+0x449/0x710
[ 8123.200302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8123.200302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8123.200302][   T10]      ___sys_sendmsg+0xee/0x170
[ 8123.200302][   T10]      __sys_sendmsg+0xcd/0x170
[ 8123.200302][   T10]      do_syscall_64+0xc6/0x1e0
[ 8123.200302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8123.200302][   T10] 
[ 8125.234885][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8125.235998][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8125.235998][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8125.235998][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8125.235998][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8125.235998][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8125.235998][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8125.235998][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8125.235998][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8125.235998][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8125.235998][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8125.235998][ T1078]      netlink_unicast+0x449/0x710
[ 8125.235998][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8125.235998][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8125.235998][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8125.235998][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8125.235998][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8125.235998][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8125.235998][ T1078] 
[ 8125.238353][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8125.238353][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8125.238353][ T1078]      ipv6_find_idev+0x102/0x170
[ 8125.238353][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8125.238353][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8125.238353][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8125.238353][ T1078]      netlink_unicast+0x449/0x710
[ 8125.238353][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8125.238353][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8125.238353][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8125.238353][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8125.238353][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8125.238353][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8125.238353][ T1078] 
[ 8125.240119][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8125.240119][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8125.240119][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8125.240119][ T1078]      ipv6_find_idev+0x102/0x170
[ 8125.240119][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8125.240119][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8125.240119][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8125.240119][ T1078]      netlink_unicast+0x449/0x710
[ 8125.240119][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8125.240119][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8125.240119][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8125.240119][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8125.240119][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8125.240119][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8125.240119][ T1078] 
[ 8133.442877][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8133.443278][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8133.443278][   T10]      netdev_get_by_index+0x5e/0x80
[ 8133.443278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8133.443278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8133.443278][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8133.443278][   T10]      ipv6_add_addr+0x411/0x2000
[ 8133.443278][   T10]      inet6_addr_add+0x30e/0xa40
[ 8133.443278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8133.443278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.443278][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.443278][   T10]      netlink_unicast+0x449/0x710
[ 8133.443278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.443278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.443278][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.443278][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.443278][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.443278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.443278][   T10] 
[ 8133.445428][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8133.445428][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8133.445428][   T10]      ipv6_find_idev+0x102/0x170
[ 8133.445428][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8133.445428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.445428][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.445428][   T10]      netlink_unicast+0x449/0x710
[ 8133.445428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.445428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.445428][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.445428][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.445428][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.445428][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.445428][   T10] 
[ 8133.446998][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8133.446998][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8133.446998][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8133.446998][   T10]      ipv6_find_idev+0x102/0x170
[ 8133.446998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8133.446998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.446998][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.446998][   T10]      netlink_unicast+0x449/0x710
[ 8133.446998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.446998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.446998][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.446998][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.446998][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.446998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.446998][   T10] 
[ 8133.448693][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8133.448931][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8133.448931][   T10]      netdev_get_by_index+0x5e/0x80
[ 8133.448931][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8133.448931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8133.448931][   T10]      ip6_route_add+0x1c/0x140
[ 8133.448931][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8133.448931][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8133.448931][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8133.448931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.448931][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.448931][   T10]      netlink_unicast+0x449/0x710
[ 8133.448931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.448931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.448931][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.448931][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.448931][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.448931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.448931][   T10] 
[ 8133.450930][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8133.450930][   T10]      netdev_get_by_index+0x5e/0x80
[ 8133.450930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8133.450930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8133.450930][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8133.450930][   T10]      ipv6_add_addr+0x411/0x2000
[ 8133.450930][   T10]      inet6_addr_add+0x30e/0xa40
[ 8133.450930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8133.450930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.450930][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.450930][   T10]      netlink_unicast+0x449/0x710
[ 8133.450930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.450930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.450930][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.450930][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.450930][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.450930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.450930][   T10] 
[ 8133.452936][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8133.452936][   T10]      netdev_get_by_index+0x5e/0x80
[ 8133.452936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8133.452936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8133.452936][   T10]      ip6_route_add+0x1c/0x140
[ 8133.452936][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8133.452936][   T10]      addrconf_add_dev+0xe2/0x170
[ 8133.452936][   T10]      inet6_addr_add+0x12f/0xa40
[ 8133.452936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8133.452936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.452936][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.452936][   T10]      netlink_unicast+0x449/0x710
[ 8133.452936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.452936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.452936][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.452936][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.452936][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.452936][   T10] 
[ 8133.454902][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8133.454902][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8133.454902][   T10]      ipv6_find_idev+0x102/0x170
[ 8133.454902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8133.454902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.454902][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.454902][   T10]      netlink_unicast+0x449/0x710
[ 8133.454902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.454902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.454902][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.454902][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.454902][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.454902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.454902][   T10] 
[ 8133.456446][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8133.456446][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8133.456446][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8133.456446][   T10]      ipv6_find_idev+0x102/0x170
[ 8133.456446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8133.456446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8133.456446][   T10]      netlink_rcv_skb+0x130/0x360
[ 8133.456446][   T10]      netlink_unicast+0x449/0x710
[ 8133.456446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8133.456446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8133.456446][   T10]      ___sys_sendmsg+0xee/0x170
[ 8133.456446][   T10]      __sys_sendmsg+0xcd/0x170
[ 8133.456446][   T10]      do_syscall_64+0xc6/0x1e0
[ 8133.456446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8133.456446][   T10] 
[ 8135.490861][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8135.491941][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8135.491941][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8135.491941][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8135.491941][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8135.491941][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8135.491941][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8135.491941][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8135.491941][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8135.491941][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8135.491941][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8135.491941][ T1078]      netlink_unicast+0x449/0x710
[ 8135.491941][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8135.491941][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8135.491941][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8135.491941][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8135.491941][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8135.491941][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8135.491941][ T1078] 
[ 8135.494263][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8135.494263][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8135.494263][ T1078]      ipv6_find_idev+0x102/0x170
[ 8135.494263][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8135.494263][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8135.494263][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8135.494263][ T1078]      netlink_unicast+0x449/0x710
[ 8135.494263][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8135.494263][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8135.494263][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8135.494263][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8135.494263][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8135.494263][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8135.494263][ T1078] 
[ 8135.496021][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8135.496021][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8135.496021][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8135.496021][ T1078]      ipv6_find_idev+0x102/0x170
[ 8135.496021][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8135.496021][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8135.496021][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8135.496021][ T1078]      netlink_unicast+0x449/0x710
[ 8135.496021][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8135.496021][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8135.496021][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8135.496021][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8135.496021][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8135.496021][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8135.496021][ T1078] 
[ 8143.698870][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8143.699410][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8143.699410][   T10]      netdev_get_by_index+0x5e/0x80
[ 8143.699410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8143.699410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8143.699410][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8143.699410][   T10]      ipv6_add_addr+0x411/0x2000
[ 8143.699410][   T10]      inet6_addr_add+0x30e/0xa40
[ 8143.699410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8143.699410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.699410][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.699410][   T10]      netlink_unicast+0x449/0x710
[ 8143.699410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.699410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.699410][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.699410][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.699410][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.699410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.699410][   T10] 
[ 8143.701483][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8143.701483][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8143.701483][   T10]      ipv6_find_idev+0x102/0x170
[ 8143.701483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8143.701483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.701483][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.701483][   T10]      netlink_unicast+0x449/0x710
[ 8143.701483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.701483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.701483][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.701483][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.701483][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.701483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.701483][   T10] 
[ 8143.703074][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8143.703074][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8143.703074][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8143.703074][   T10]      ipv6_find_idev+0x102/0x170
[ 8143.703074][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8143.703074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.703074][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.703074][   T10]      netlink_unicast+0x449/0x710
[ 8143.703074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.703074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.703074][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.703074][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.703074][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.703074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.703074][   T10] 
[ 8143.704801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8143.705057][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8143.705057][   T10]      netdev_get_by_index+0x5e/0x80
[ 8143.705057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8143.705057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8143.705057][   T10]      ip6_route_add+0x1c/0x140
[ 8143.705057][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8143.705057][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8143.705057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8143.705057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.705057][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.705057][   T10]      netlink_unicast+0x449/0x710
[ 8143.705057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.705057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.705057][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.705057][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.705057][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.705057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.705057][   T10] 
[ 8143.707091][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8143.707091][   T10]      netdev_get_by_index+0x5e/0x80
[ 8143.707091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8143.707091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8143.707091][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8143.707091][   T10]      ipv6_add_addr+0x411/0x2000
[ 8143.707091][   T10]      inet6_addr_add+0x30e/0xa40
[ 8143.707091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8143.707091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.707091][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.707091][   T10]      netlink_unicast+0x449/0x710
[ 8143.707091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.707091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.707091][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.707091][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.707091][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.707091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.707091][   T10] 
[ 8143.709139][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8143.709139][   T10]      netdev_get_by_index+0x5e/0x80
[ 8143.709139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8143.709139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8143.709139][   T10]      ip6_route_add+0x1c/0x140
[ 8143.709139][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8143.709139][   T10]      addrconf_add_dev+0xe2/0x170
[ 8143.709139][   T10]      inet6_addr_add+0x12f/0xa40
[ 8143.709139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8143.709139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.709139][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.709139][   T10]      netlink_unicast+0x449/0x710
[ 8143.709139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.709139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.709139][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.709139][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.709139][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.709139][   T10] 
[ 8143.711123][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8143.711123][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8143.711123][   T10]      ipv6_find_idev+0x102/0x170
[ 8143.711123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8143.711123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.711123][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.711123][   T10]      netlink_unicast+0x449/0x710
[ 8143.711123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.711123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.711123][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.711123][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.711123][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.711123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.711123][   T10] 
[ 8143.712669][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8143.712669][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8143.712669][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8143.712669][   T10]      ipv6_find_idev+0x102/0x170
[ 8143.712669][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8143.712669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8143.712669][   T10]      netlink_rcv_skb+0x130/0x360
[ 8143.712669][   T10]      netlink_unicast+0x449/0x710
[ 8143.712669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8143.712669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8143.712669][   T10]      ___sys_sendmsg+0xee/0x170
[ 8143.712669][   T10]      __sys_sendmsg+0xcd/0x170
[ 8143.712669][   T10]      do_syscall_64+0xc6/0x1e0
[ 8143.712669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8143.712669][   T10] 
[ 8145.746896][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8145.748003][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8145.748003][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8145.748003][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8145.748003][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8145.748003][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8145.748003][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8145.748003][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8145.748003][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8145.748003][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8145.748003][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8145.748003][ T1078]      netlink_unicast+0x449/0x710
[ 8145.748003][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8145.748003][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8145.748003][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8145.748003][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8145.748003][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8145.748003][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8145.748003][ T1078] 
[ 8145.750304][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8145.750304][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8145.750304][ T1078]      ipv6_find_idev+0x102/0x170
[ 8145.750304][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8145.750304][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8145.750304][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8145.750304][ T1078]      netlink_unicast+0x449/0x710
[ 8145.750304][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8145.750304][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8145.750304][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8145.750304][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8145.750304][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8145.750304][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8145.750304][ T1078] 
[ 8145.752039][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8145.752039][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8145.752039][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8145.752039][ T1078]      ipv6_find_idev+0x102/0x170
[ 8145.752039][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8145.752039][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8145.752039][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8145.752039][ T1078]      netlink_unicast+0x449/0x710
[ 8145.752039][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8145.752039][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8145.752039][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8145.752039][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8145.752039][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8145.752039][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8145.752039][ T1078] 
[ 8153.954872][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8153.955824][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8153.955824][   T10]      netdev_get_by_index+0x5e/0x80
[ 8153.955824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8153.955824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8153.955824][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8153.955824][   T10]      ipv6_add_addr+0x411/0x2000
[ 8153.955824][   T10]      inet6_addr_add+0x30e/0xa40
[ 8153.955824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8153.955824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.955824][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.955824][   T10]      netlink_unicast+0x449/0x710
[ 8153.955824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.955824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.955824][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.955824][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.955824][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.955824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.955824][   T10] 
[ 8153.958009][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8153.958009][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8153.958009][   T10]      ipv6_find_idev+0x102/0x170
[ 8153.958009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8153.958009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.958009][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.958009][   T10]      netlink_unicast+0x449/0x710
[ 8153.958009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.958009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.958009][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.958009][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.958009][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.958009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.958009][   T10] 
[ 8153.959570][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8153.959570][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8153.959570][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8153.959570][   T10]      ipv6_find_idev+0x102/0x170
[ 8153.959570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8153.959570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.959570][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.959570][   T10]      netlink_unicast+0x449/0x710
[ 8153.959570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.959570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.959570][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.959570][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.959570][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.959570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.959570][   T10] 
[ 8153.961327][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8153.961563][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8153.961563][   T10]      netdev_get_by_index+0x5e/0x80
[ 8153.961563][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8153.961563][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8153.961563][   T10]      ip6_route_add+0x1c/0x140
[ 8153.961563][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8153.961563][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8153.961563][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8153.961563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.961563][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.961563][   T10]      netlink_unicast+0x449/0x710
[ 8153.961563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.961563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.961563][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.961563][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.961563][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.961563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.961563][   T10] 
[ 8153.963598][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8153.963598][   T10]      netdev_get_by_index+0x5e/0x80
[ 8153.963598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8153.963598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8153.963598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8153.963598][   T10]      ipv6_add_addr+0x411/0x2000
[ 8153.963598][   T10]      inet6_addr_add+0x30e/0xa40
[ 8153.963598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8153.963598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.963598][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.963598][   T10]      netlink_unicast+0x449/0x710
[ 8153.963598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.963598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.963598][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.963598][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.963598][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.963598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.963598][   T10] 
[ 8153.965621][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8153.965621][   T10]      netdev_get_by_index+0x5e/0x80
[ 8153.965621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8153.965621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8153.965621][   T10]      ip6_route_add+0x1c/0x140
[ 8153.965621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8153.965621][   T10]      addrconf_add_dev+0xe2/0x170
[ 8153.965621][   T10]      inet6_addr_add+0x12f/0xa40
[ 8153.965621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8153.965621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.965621][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.965621][   T10]      netlink_unicast+0x449/0x710
[ 8153.965621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.965621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.965621][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.965621][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.965621][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.965621][   T10] 
[ 8153.967603][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8153.967603][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8153.967603][   T10]      ipv6_find_idev+0x102/0x170
[ 8153.967603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8153.967603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.967603][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.967603][   T10]      netlink_unicast+0x449/0x710
[ 8153.967603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.967603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.967603][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.967603][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.967603][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.967603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.967603][   T10] 
[ 8153.969137][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8153.969137][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8153.969137][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8153.969137][   T10]      ipv6_find_idev+0x102/0x170
[ 8153.969137][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8153.969137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8153.969137][   T10]      netlink_rcv_skb+0x130/0x360
[ 8153.969137][   T10]      netlink_unicast+0x449/0x710
[ 8153.969137][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8153.969137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8153.969137][   T10]      ___sys_sendmsg+0xee/0x170
[ 8153.969137][   T10]      __sys_sendmsg+0xcd/0x170
[ 8153.969137][   T10]      do_syscall_64+0xc6/0x1e0
[ 8153.969137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8153.969137][   T10] 
[ 8156.002866][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8156.003381][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8156.003381][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8156.003381][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8156.003381][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8156.003381][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8156.003381][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8156.003381][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8156.003381][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8156.003381][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8156.003381][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8156.003381][ T1078]      netlink_unicast+0x449/0x710
[ 8156.003381][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8156.003381][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8156.003381][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8156.003381][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8156.003381][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8156.003381][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8156.003381][ T1078] 
[ 8156.005677][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8156.005677][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8156.005677][ T1078]      ipv6_find_idev+0x102/0x170
[ 8156.005677][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8156.005677][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8156.005677][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8156.005677][ T1078]      netlink_unicast+0x449/0x710
[ 8156.005677][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8156.005677][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8156.005677][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8156.005677][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8156.005677][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8156.005677][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8156.005677][ T1078] 
[ 8156.007414][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8156.007414][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8156.007414][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8156.007414][ T1078]      ipv6_find_idev+0x102/0x170
[ 8156.007414][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8156.007414][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8156.007414][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8156.007414][ T1078]      netlink_unicast+0x449/0x710
[ 8156.007414][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8156.007414][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8156.007414][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8156.007414][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8156.007414][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8156.007414][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8156.007414][ T1078] 
[ 8164.210900][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8164.211269][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8164.211269][   T10]      netdev_get_by_index+0x5e/0x80
[ 8164.211269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8164.211269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8164.211269][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8164.211269][   T10]      ipv6_add_addr+0x411/0x2000
[ 8164.211269][   T10]      inet6_addr_add+0x30e/0xa40
[ 8164.211269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8164.211269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.211269][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.211269][   T10]      netlink_unicast+0x449/0x710
[ 8164.211269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.211269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.211269][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.211269][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.211269][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.211269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.211269][   T10] 
[ 8164.213330][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8164.213330][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8164.213330][   T10]      ipv6_find_idev+0x102/0x170
[ 8164.213330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8164.213330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.213330][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.213330][   T10]      netlink_unicast+0x449/0x710
[ 8164.213330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.213330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.213330][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.213330][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.213330][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.213330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.213330][   T10] 
[ 8164.214872][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8164.214872][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8164.214872][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8164.214872][   T10]      ipv6_find_idev+0x102/0x170
[ 8164.214872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8164.214872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.214872][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.214872][   T10]      netlink_unicast+0x449/0x710
[ 8164.214872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.214872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.214872][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.214872][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.214872][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.214872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.214872][   T10] 
[ 8164.216570][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8164.216827][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8164.216827][   T10]      netdev_get_by_index+0x5e/0x80
[ 8164.216827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8164.216827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8164.216827][   T10]      ip6_route_add+0x1c/0x140
[ 8164.216827][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8164.216827][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8164.216827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8164.216827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.216827][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.216827][   T10]      netlink_unicast+0x449/0x710
[ 8164.216827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.216827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.216827][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.216827][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.216827][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.216827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.216827][   T10] 
[ 8164.218827][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8164.218827][   T10]      netdev_get_by_index+0x5e/0x80
[ 8164.218827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8164.218827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8164.218827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8164.218827][   T10]      ipv6_add_addr+0x411/0x2000
[ 8164.218827][   T10]      inet6_addr_add+0x30e/0xa40
[ 8164.218827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8164.218827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.218827][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.218827][   T10]      netlink_unicast+0x449/0x710
[ 8164.218827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.218827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.218827][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.218827][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.218827][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.218827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.218827][   T10] 
[ 8164.220843][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8164.220843][   T10]      netdev_get_by_index+0x5e/0x80
[ 8164.220843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8164.220843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8164.220843][   T10]      ip6_route_add+0x1c/0x140
[ 8164.220843][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8164.220843][   T10]      addrconf_add_dev+0xe2/0x170
[ 8164.220843][   T10]      inet6_addr_add+0x12f/0xa40
[ 8164.220843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8164.220843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.220843][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.220843][   T10]      netlink_unicast+0x449/0x710
[ 8164.220843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.220843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.220843][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.220843][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.220843][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.220843][   T10] 
[ 8164.222803][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8164.222803][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8164.222803][   T10]      ipv6_find_idev+0x102/0x170
[ 8164.222803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8164.222803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.222803][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.222803][   T10]      netlink_unicast+0x449/0x710
[ 8164.222803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.222803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.222803][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.222803][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.222803][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.222803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.222803][   T10] 
[ 8164.224333][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8164.224333][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8164.224333][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8164.224333][   T10]      ipv6_find_idev+0x102/0x170
[ 8164.224333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8164.224333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8164.224333][   T10]      netlink_rcv_skb+0x130/0x360
[ 8164.224333][   T10]      netlink_unicast+0x449/0x710
[ 8164.224333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8164.224333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8164.224333][   T10]      ___sys_sendmsg+0xee/0x170
[ 8164.224333][   T10]      __sys_sendmsg+0xcd/0x170
[ 8164.224333][   T10]      do_syscall_64+0xc6/0x1e0
[ 8164.224333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8164.224333][   T10] 
[ 8166.258818][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8166.259339][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8166.259339][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8166.259339][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8166.259339][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8166.259339][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8166.259339][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8166.259339][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8166.259339][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8166.259339][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8166.259339][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8166.259339][ T1078]      netlink_unicast+0x449/0x710
[ 8166.259339][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8166.259339][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8166.259339][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8166.259339][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8166.259339][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8166.259339][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8166.259339][ T1078] 
[ 8166.261656][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8166.261656][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8166.261656][ T1078]      ipv6_find_idev+0x102/0x170
[ 8166.261656][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8166.261656][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8166.261656][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8166.261656][ T1078]      netlink_unicast+0x449/0x710
[ 8166.261656][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8166.261656][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8166.261656][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8166.261656][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8166.261656][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8166.261656][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8166.261656][ T1078] 
[ 8166.263420][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8166.263420][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8166.263420][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8166.263420][ T1078]      ipv6_find_idev+0x102/0x170
[ 8166.263420][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8166.263420][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8166.263420][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8166.263420][ T1078]      netlink_unicast+0x449/0x710
[ 8166.263420][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8166.263420][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8166.263420][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8166.263420][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8166.263420][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8166.263420][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8166.263420][ T1078] 
[ 8174.339008][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8174.339443][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8174.339443][   T10]      netdev_get_by_index+0x5e/0x80
[ 8174.339443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8174.339443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8174.339443][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8174.339443][   T10]      ipv6_add_addr+0x411/0x2000
[ 8174.339443][   T10]      inet6_addr_add+0x30e/0xa40
[ 8174.339443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8174.339443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.339443][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.339443][   T10]      netlink_unicast+0x449/0x710
[ 8174.339443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.339443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.339443][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.339443][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.339443][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.339443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.339443][   T10] 
[ 8174.341480][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8174.341480][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8174.341480][   T10]      ipv6_find_idev+0x102/0x170
[ 8174.341480][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8174.341480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.341480][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.341480][   T10]      netlink_unicast+0x449/0x710
[ 8174.341480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.341480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.341480][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.341480][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.341480][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.341480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.341480][   T10] 
[ 8174.343056][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8174.343056][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8174.343056][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8174.343056][   T10]      ipv6_find_idev+0x102/0x170
[ 8174.343056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8174.343056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.343056][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.343056][   T10]      netlink_unicast+0x449/0x710
[ 8174.343056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.343056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.343056][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.343056][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.343056][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.343056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.343056][   T10] 
[ 8174.344958][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8174.345200][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8174.345200][   T10]      netdev_get_by_index+0x5e/0x80
[ 8174.345200][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8174.345200][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8174.345200][   T10]      ip6_route_add+0x1c/0x140
[ 8174.345200][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8174.345200][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8174.345200][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8174.345200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.345200][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.345200][   T10]      netlink_unicast+0x449/0x710
[ 8174.345200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.345200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.345200][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.345200][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.345200][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.345200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.345200][   T10] 
[ 8174.347224][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8174.347224][   T10]      netdev_get_by_index+0x5e/0x80
[ 8174.347224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8174.347224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8174.347224][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8174.347224][   T10]      ipv6_add_addr+0x411/0x2000
[ 8174.347224][   T10]      inet6_addr_add+0x30e/0xa40
[ 8174.347224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8174.347224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.347224][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.347224][   T10]      netlink_unicast+0x449/0x710
[ 8174.347224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.347224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.347224][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.347224][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.347224][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.347224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.347224][   T10] 
[ 8174.349257][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8174.349257][   T10]      netdev_get_by_index+0x5e/0x80
[ 8174.349257][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8174.349257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8174.349257][   T10]      ip6_route_add+0x1c/0x140
[ 8174.349257][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8174.349257][   T10]      addrconf_add_dev+0xe2/0x170
[ 8174.349257][   T10]      inet6_addr_add+0x12f/0xa40
[ 8174.349257][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8174.349257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.349257][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.349257][   T10]      netlink_unicast+0x449/0x710
[ 8174.349257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.349257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.349257][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.349257][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.349257][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.349257][   T10] 
[ 8174.351228][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8174.351228][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8174.351228][   T10]      ipv6_find_idev+0x102/0x170
[ 8174.351228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8174.351228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.351228][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.351228][   T10]      netlink_unicast+0x449/0x710
[ 8174.351228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.351228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.351228][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.351228][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.351228][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.351228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.351228][   T10] 
[ 8174.352769][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8174.352769][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8174.352769][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8174.352769][   T10]      ipv6_find_idev+0x102/0x170
[ 8174.352769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8174.352769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8174.352769][   T10]      netlink_rcv_skb+0x130/0x360
[ 8174.352769][   T10]      netlink_unicast+0x449/0x710
[ 8174.352769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8174.352769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8174.352769][   T10]      ___sys_sendmsg+0xee/0x170
[ 8174.352769][   T10]      __sys_sendmsg+0xcd/0x170
[ 8174.352769][   T10]      do_syscall_64+0xc6/0x1e0
[ 8174.352769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8174.352769][   T10] 
[ 8176.386836][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8176.387327][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8176.387327][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8176.387327][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8176.387327][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8176.387327][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8176.387327][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8176.387327][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8176.387327][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8176.387327][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8176.387327][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8176.387327][ T1078]      netlink_unicast+0x449/0x710
[ 8176.387327][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8176.387327][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8176.387327][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8176.387327][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8176.387327][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8176.387327][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8176.387327][ T1078] 
[ 8176.389729][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8176.389729][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8176.389729][ T1078]      ipv6_find_idev+0x102/0x170
[ 8176.389729][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8176.389729][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8176.389729][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8176.389729][ T1078]      netlink_unicast+0x449/0x710
[ 8176.389729][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8176.389729][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8176.389729][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8176.389729][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8176.389729][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8176.389729][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8176.389729][ T1078] 
[ 8176.391493][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8176.391493][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8176.391493][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8176.391493][ T1078]      ipv6_find_idev+0x102/0x170
[ 8176.391493][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8176.391493][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8176.391493][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8176.391493][ T1078]      netlink_unicast+0x449/0x710
[ 8176.391493][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8176.391493][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8176.391493][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8176.391493][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8176.391493][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8176.391493][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8176.391493][ T1078] 
[ 8184.594892][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8184.595789][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8184.595789][   T10]      netdev_get_by_index+0x5e/0x80
[ 8184.595789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8184.595789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8184.595789][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8184.595789][   T10]      ipv6_add_addr+0x411/0x2000
[ 8184.595789][   T10]      inet6_addr_add+0x30e/0xa40
[ 8184.595789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8184.595789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.595789][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.595789][   T10]      netlink_unicast+0x449/0x710
[ 8184.595789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.595789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.595789][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.595789][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.595789][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.595789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.595789][   T10] 
[ 8184.598086][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8184.598086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8184.598086][   T10]      ipv6_find_idev+0x102/0x170
[ 8184.598086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8184.598086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.598086][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.598086][   T10]      netlink_unicast+0x449/0x710
[ 8184.598086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.598086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.598086][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.598086][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.598086][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.598086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.598086][   T10] 
[ 8184.599646][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8184.599646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8184.599646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8184.599646][   T10]      ipv6_find_idev+0x102/0x170
[ 8184.599646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8184.599646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.599646][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.599646][   T10]      netlink_unicast+0x449/0x710
[ 8184.599646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.599646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.599646][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.599646][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.599646][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.599646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.599646][   T10] 
[ 8184.601361][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8184.601607][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8184.601607][   T10]      netdev_get_by_index+0x5e/0x80
[ 8184.601607][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8184.601607][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8184.601607][   T10]      ip6_route_add+0x1c/0x140
[ 8184.601607][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8184.601607][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8184.601607][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8184.601607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.601607][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.601607][   T10]      netlink_unicast+0x449/0x710
[ 8184.601607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.601607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.601607][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.601607][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.601607][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.601607][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.601607][   T10] 
[ 8184.603641][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8184.603641][   T10]      netdev_get_by_index+0x5e/0x80
[ 8184.603641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8184.603641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8184.603641][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8184.603641][   T10]      ipv6_add_addr+0x411/0x2000
[ 8184.603641][   T10]      inet6_addr_add+0x30e/0xa40
[ 8184.603641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8184.603641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.603641][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.603641][   T10]      netlink_unicast+0x449/0x710
[ 8184.603641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.603641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.603641][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.603641][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.603641][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.603641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.603641][   T10] 
[ 8184.605685][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8184.605685][   T10]      netdev_get_by_index+0x5e/0x80
[ 8184.605685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8184.605685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8184.605685][   T10]      ip6_route_add+0x1c/0x140
[ 8184.605685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8184.605685][   T10]      addrconf_add_dev+0xe2/0x170
[ 8184.605685][   T10]      inet6_addr_add+0x12f/0xa40
[ 8184.605685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8184.605685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.605685][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.605685][   T10]      netlink_unicast+0x449/0x710
[ 8184.605685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.605685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.605685][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.605685][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.605685][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.605685][   T10] 
[ 8184.607694][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8184.607694][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8184.607694][   T10]      ipv6_find_idev+0x102/0x170
[ 8184.607694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8184.607694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.607694][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.607694][   T10]      netlink_unicast+0x449/0x710
[ 8184.607694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.607694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.607694][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.607694][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.607694][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.607694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.607694][   T10] 
[ 8184.609234][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8184.609234][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8184.609234][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8184.609234][   T10]      ipv6_find_idev+0x102/0x170
[ 8184.609234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8184.609234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8184.609234][   T10]      netlink_rcv_skb+0x130/0x360
[ 8184.609234][   T10]      netlink_unicast+0x449/0x710
[ 8184.609234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8184.609234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8184.609234][   T10]      ___sys_sendmsg+0xee/0x170
[ 8184.609234][   T10]      __sys_sendmsg+0xcd/0x170
[ 8184.609234][   T10]      do_syscall_64+0xc6/0x1e0
[ 8184.609234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8184.609234][   T10] 
[ 8186.642885][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8186.643403][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8186.643403][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8186.643403][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8186.643403][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8186.643403][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8186.643403][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8186.643403][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8186.643403][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8186.643403][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8186.643403][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8186.643403][ T1078]      netlink_unicast+0x449/0x710
[ 8186.643403][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8186.643403][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8186.643403][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8186.643403][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8186.643403][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8186.643403][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8186.643403][ T1078] 
[ 8186.645721][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8186.645721][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8186.645721][ T1078]      ipv6_find_idev+0x102/0x170
[ 8186.645721][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8186.645721][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8186.645721][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8186.645721][ T1078]      netlink_unicast+0x449/0x710
[ 8186.645721][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8186.645721][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8186.645721][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8186.645721][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8186.645721][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8186.645721][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8186.645721][ T1078] 
[ 8186.648442][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8186.648442][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8186.648442][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8186.648442][ T1078]      ipv6_find_idev+0x102/0x170
[ 8186.648442][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8186.648442][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8186.648442][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8186.648442][ T1078]      netlink_unicast+0x449/0x710
[ 8186.648442][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8186.648442][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8186.648442][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8186.648442][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8186.648442][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8186.648442][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8186.648442][ T1078] 
[ 8194.850943][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8194.851411][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8194.851411][   T10]      netdev_get_by_index+0x5e/0x80
[ 8194.851411][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8194.851411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8194.851411][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8194.851411][   T10]      ipv6_add_addr+0x411/0x2000
[ 8194.851411][   T10]      inet6_addr_add+0x30e/0xa40
[ 8194.851411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8194.851411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.851411][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.851411][   T10]      netlink_unicast+0x449/0x710
[ 8194.851411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.851411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.851411][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.851411][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.851411][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.851411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.851411][   T10] 
[ 8194.853463][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8194.853463][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8194.853463][   T10]      ipv6_find_idev+0x102/0x170
[ 8194.853463][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8194.853463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.853463][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.853463][   T10]      netlink_unicast+0x449/0x710
[ 8194.853463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.853463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.853463][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.853463][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.853463][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.853463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.853463][   T10] 
[ 8194.855034][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8194.855034][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8194.855034][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8194.855034][   T10]      ipv6_find_idev+0x102/0x170
[ 8194.855034][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8194.855034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.855034][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.855034][   T10]      netlink_unicast+0x449/0x710
[ 8194.855034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.855034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.855034][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.855034][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.855034][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.855034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.855034][   T10] 
[ 8194.856770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8194.857014][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8194.857014][   T10]      netdev_get_by_index+0x5e/0x80
[ 8194.857014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8194.857014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8194.857014][   T10]      ip6_route_add+0x1c/0x140
[ 8194.857014][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8194.857014][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8194.857014][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8194.857014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.857014][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.857014][   T10]      netlink_unicast+0x449/0x710
[ 8194.857014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.857014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.857014][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.857014][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.857014][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.857014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.857014][   T10] 
[ 8194.859047][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8194.859047][   T10]      netdev_get_by_index+0x5e/0x80
[ 8194.859047][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8194.859047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8194.859047][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8194.859047][   T10]      ipv6_add_addr+0x411/0x2000
[ 8194.859047][   T10]      inet6_addr_add+0x30e/0xa40
[ 8194.859047][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8194.859047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.859047][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.859047][   T10]      netlink_unicast+0x449/0x710
[ 8194.859047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.859047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.859047][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.859047][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.859047][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.859047][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.859047][   T10] 
[ 8194.861094][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8194.861094][   T10]      netdev_get_by_index+0x5e/0x80
[ 8194.861094][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8194.861094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8194.861094][   T10]      ip6_route_add+0x1c/0x140
[ 8194.861094][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8194.861094][   T10]      addrconf_add_dev+0xe2/0x170
[ 8194.861094][   T10]      inet6_addr_add+0x12f/0xa40
[ 8194.861094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8194.861094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.861094][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.861094][   T10]      netlink_unicast+0x449/0x710
[ 8194.861094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.861094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.861094][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.861094][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.861094][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.861094][   T10] 
[ 8194.863050][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8194.863050][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8194.863050][   T10]      ipv6_find_idev+0x102/0x170
[ 8194.863050][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8194.863050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.863050][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.863050][   T10]      netlink_unicast+0x449/0x710
[ 8194.863050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.863050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.863050][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.863050][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.863050][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.863050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.863050][   T10] 
[ 8194.864584][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8194.864584][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8194.864584][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8194.864584][   T10]      ipv6_find_idev+0x102/0x170
[ 8194.864584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8194.864584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8194.864584][   T10]      netlink_rcv_skb+0x130/0x360
[ 8194.864584][   T10]      netlink_unicast+0x449/0x710
[ 8194.864584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8194.864584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8194.864584][   T10]      ___sys_sendmsg+0xee/0x170
[ 8194.864584][   T10]      __sys_sendmsg+0xcd/0x170
[ 8194.864584][   T10]      do_syscall_64+0xc6/0x1e0
[ 8194.864584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8194.864584][   T10] 
[ 8196.890805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8196.891285][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8196.891285][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8196.891285][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8196.891285][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8196.891285][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8196.891285][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8196.891285][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8196.891285][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8196.891285][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8196.891285][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8196.891285][ T1078]      netlink_unicast+0x449/0x710
[ 8196.891285][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8196.891285][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8196.891285][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8196.891285][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8196.891285][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8196.891285][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8196.891285][ T1078] 
[ 8196.893574][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8196.893574][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8196.893574][ T1078]      ipv6_find_idev+0x102/0x170
[ 8196.893574][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8196.893574][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8196.893574][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8196.893574][ T1078]      netlink_unicast+0x449/0x710
[ 8196.893574][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8196.893574][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8196.893574][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8196.893574][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8196.893574][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8196.893574][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8196.893574][ T1078] 
[ 8196.895685][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8196.895685][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8196.895685][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8196.895685][ T1078]      ipv6_find_idev+0x102/0x170
[ 8196.895685][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8196.895685][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8196.895685][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8196.895685][ T1078]      netlink_unicast+0x449/0x710
[ 8196.895685][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8196.895685][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8196.895685][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8196.895685][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8196.895685][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8196.895685][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8196.895685][ T1078] 
[ 8205.106864][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8205.107797][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8205.107797][   T10]      netdev_get_by_index+0x5e/0x80
[ 8205.107797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8205.107797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8205.107797][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8205.107797][   T10]      ipv6_add_addr+0x411/0x2000
[ 8205.107797][   T10]      inet6_addr_add+0x30e/0xa40
[ 8205.107797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8205.107797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.107797][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.107797][   T10]      netlink_unicast+0x449/0x710
[ 8205.107797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.107797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.107797][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.107797][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.107797][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.107797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.107797][   T10] 
[ 8205.110022][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8205.110022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8205.110022][   T10]      ipv6_find_idev+0x102/0x170
[ 8205.110022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8205.110022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.110022][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.110022][   T10]      netlink_unicast+0x449/0x710
[ 8205.110022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.110022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.110022][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.110022][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.110022][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.110022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.110022][   T10] 
[ 8205.111615][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8205.111615][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8205.111615][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8205.111615][   T10]      ipv6_find_idev+0x102/0x170
[ 8205.111615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8205.111615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.111615][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.111615][   T10]      netlink_unicast+0x449/0x710
[ 8205.111615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.111615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.111615][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.111615][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.111615][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.111615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.111615][   T10] 
[ 8205.113372][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8205.113613][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8205.113613][   T10]      netdev_get_by_index+0x5e/0x80
[ 8205.113613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8205.113613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8205.113613][   T10]      ip6_route_add+0x1c/0x140
[ 8205.113613][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8205.113613][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8205.113613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8205.113613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.113613][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.113613][   T10]      netlink_unicast+0x449/0x710
[ 8205.113613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.113613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.113613][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.113613][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.113613][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.113613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.113613][   T10] 
[ 8205.115713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8205.115713][   T10]      netdev_get_by_index+0x5e/0x80
[ 8205.115713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8205.115713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8205.115713][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8205.115713][   T10]      ipv6_add_addr+0x411/0x2000
[ 8205.115713][   T10]      inet6_addr_add+0x30e/0xa40
[ 8205.115713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8205.115713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.115713][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.115713][   T10]      netlink_unicast+0x449/0x710
[ 8205.115713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.115713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.115713][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.115713][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.115713][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.115713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.115713][   T10] 
[ 8205.117743][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8205.117743][   T10]      netdev_get_by_index+0x5e/0x80
[ 8205.117743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8205.117743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8205.117743][   T10]      ip6_route_add+0x1c/0x140
[ 8205.117743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8205.117743][   T10]      addrconf_add_dev+0xe2/0x170
[ 8205.117743][   T10]      inet6_addr_add+0x12f/0xa40
[ 8205.117743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8205.117743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.117743][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.117743][   T10]      netlink_unicast+0x449/0x710
[ 8205.117743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.117743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.117743][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.117743][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.117743][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.117743][   T10] 
[ 8205.119725][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8205.119725][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8205.119725][   T10]      ipv6_find_idev+0x102/0x170
[ 8205.119725][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8205.119725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.119725][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.119725][   T10]      netlink_unicast+0x449/0x710
[ 8205.119725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.119725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.119725][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.119725][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.119725][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.119725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.119725][   T10] 
[ 8205.121279][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8205.121279][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8205.121279][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8205.121279][   T10]      ipv6_find_idev+0x102/0x170
[ 8205.121279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8205.121279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8205.121279][   T10]      netlink_rcv_skb+0x130/0x360
[ 8205.121279][   T10]      netlink_unicast+0x449/0x710
[ 8205.121279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8205.121279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8205.121279][   T10]      ___sys_sendmsg+0xee/0x170
[ 8205.121279][   T10]      __sys_sendmsg+0xcd/0x170
[ 8205.121279][   T10]      do_syscall_64+0xc6/0x1e0
[ 8205.121279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8205.121279][   T10] 
[ 8207.138809][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8207.139228][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8207.139228][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8207.139228][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8207.139228][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8207.139228][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8207.139228][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8207.139228][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8207.139228][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8207.139228][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8207.139228][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8207.139228][ T1078]      netlink_unicast+0x449/0x710
[ 8207.139228][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8207.139228][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8207.139228][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8207.139228][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8207.139228][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8207.139228][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8207.139228][ T1078] 
[ 8207.141498][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8207.141498][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8207.141498][ T1078]      ipv6_find_idev+0x102/0x170
[ 8207.141498][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8207.141498][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8207.141498][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8207.141498][ T1078]      netlink_unicast+0x449/0x710
[ 8207.141498][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8207.141498][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8207.141498][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8207.141498][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8207.141498][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8207.141498][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8207.141498][ T1078] 
[ 8207.143230][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8207.143230][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8207.143230][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8207.143230][ T1078]      ipv6_find_idev+0x102/0x170
[ 8207.143230][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8207.143230][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8207.143230][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8207.143230][ T1078]      netlink_unicast+0x449/0x710
[ 8207.143230][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8207.143230][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8207.143230][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8207.143230][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8207.143230][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8207.143230][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8207.143230][ T1078] 
[ 8215.362888][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8215.363780][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8215.363780][   T10]      netdev_get_by_index+0x5e/0x80
[ 8215.363780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8215.363780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8215.363780][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8215.363780][   T10]      ipv6_add_addr+0x411/0x2000
[ 8215.363780][   T10]      inet6_addr_add+0x30e/0xa40
[ 8215.363780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8215.363780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.363780][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.363780][   T10]      netlink_unicast+0x449/0x710
[ 8215.363780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.363780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.363780][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.363780][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.363780][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.363780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.363780][   T10] 
[ 8215.366008][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8215.366008][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8215.366008][   T10]      ipv6_find_idev+0x102/0x170
[ 8215.366008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8215.366008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.366008][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.366008][   T10]      netlink_unicast+0x449/0x710
[ 8215.366008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.366008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.366008][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.366008][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.366008][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.366008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.366008][   T10] 
[ 8215.367565][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8215.367565][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8215.367565][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8215.367565][   T10]      ipv6_find_idev+0x102/0x170
[ 8215.367565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8215.367565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.367565][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.367565][   T10]      netlink_unicast+0x449/0x710
[ 8215.367565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.367565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.367565][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.367565][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.367565][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.367565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.367565][   T10] 
[ 8215.369278][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8215.369525][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8215.369525][   T10]      netdev_get_by_index+0x5e/0x80
[ 8215.369525][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8215.369525][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8215.369525][   T10]      ip6_route_add+0x1c/0x140
[ 8215.369525][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8215.369525][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8215.369525][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8215.369525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.369525][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.369525][   T10]      netlink_unicast+0x449/0x710
[ 8215.369525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.369525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.369525][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.369525][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.369525][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.369525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.369525][   T10] 
[ 8215.371557][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8215.371557][   T10]      netdev_get_by_index+0x5e/0x80
[ 8215.371557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8215.371557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8215.371557][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8215.371557][   T10]      ipv6_add_addr+0x411/0x2000
[ 8215.371557][   T10]      inet6_addr_add+0x30e/0xa40
[ 8215.371557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8215.371557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.371557][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.371557][   T10]      netlink_unicast+0x449/0x710
[ 8215.371557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.371557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.371557][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.371557][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.371557][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.371557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.371557][   T10] 
[ 8215.373958][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8215.373958][   T10]      netdev_get_by_index+0x5e/0x80
[ 8215.373958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8215.373958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8215.373958][   T10]      ip6_route_add+0x1c/0x140
[ 8215.373958][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8215.373958][   T10]      addrconf_add_dev+0xe2/0x170
[ 8215.373958][   T10]      inet6_addr_add+0x12f/0xa40
[ 8215.373958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8215.373958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.373958][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.373958][   T10]      netlink_unicast+0x449/0x710
[ 8215.373958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.373958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.373958][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.373958][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.373958][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.373958][   T10] 
[ 8215.375946][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8215.375946][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8215.375946][   T10]      ipv6_find_idev+0x102/0x170
[ 8215.375946][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8215.375946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.375946][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.375946][   T10]      netlink_unicast+0x449/0x710
[ 8215.375946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.375946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.375946][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.375946][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.375946][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.375946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.375946][   T10] 
[ 8215.377499][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8215.377499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8215.377499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8215.377499][   T10]      ipv6_find_idev+0x102/0x170
[ 8215.377499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8215.377499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8215.377499][   T10]      netlink_rcv_skb+0x130/0x360
[ 8215.377499][   T10]      netlink_unicast+0x449/0x710
[ 8215.377499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8215.377499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8215.377499][   T10]      ___sys_sendmsg+0xee/0x170
[ 8215.377499][   T10]      __sys_sendmsg+0xcd/0x170
[ 8215.377499][   T10]      do_syscall_64+0xc6/0x1e0
[ 8215.377499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8215.377499][   T10] 
[ 8217.386765][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8217.387211][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8217.387211][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8217.387211][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8217.387211][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8217.387211][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8217.387211][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8217.387211][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8217.387211][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8217.387211][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8217.387211][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8217.387211][ T1078]      netlink_unicast+0x449/0x710
[ 8217.387211][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8217.387211][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8217.387211][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8217.387211][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8217.387211][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8217.387211][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8217.387211][ T1078] 
[ 8217.389461][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8217.389461][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8217.389461][ T1078]      ipv6_find_idev+0x102/0x170
[ 8217.389461][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8217.389461][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8217.389461][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8217.389461][ T1078]      netlink_unicast+0x449/0x710
[ 8217.389461][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8217.389461][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8217.389461][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8217.389461][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8217.389461][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8217.389461][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8217.389461][ T1078] 
[ 8217.391185][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8217.391185][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8217.391185][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8217.391185][ T1078]      ipv6_find_idev+0x102/0x170
[ 8217.391185][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8217.391185][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8217.391185][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8217.391185][ T1078]      netlink_unicast+0x449/0x710
[ 8217.391185][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8217.391185][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8217.391185][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8217.391185][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8217.391185][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8217.391185][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8217.391185][ T1078] 
[ 8225.618816][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8225.619193][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8225.619193][   T10]      netdev_get_by_index+0x5e/0x80
[ 8225.619193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8225.619193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8225.619193][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8225.619193][   T10]      ipv6_add_addr+0x411/0x2000
[ 8225.619193][   T10]      inet6_addr_add+0x30e/0xa40
[ 8225.619193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8225.619193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.619193][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.619193][   T10]      netlink_unicast+0x449/0x710
[ 8225.619193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.619193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.619193][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.619193][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.619193][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.619193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.619193][   T10] 
[ 8225.621235][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8225.621235][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8225.621235][   T10]      ipv6_find_idev+0x102/0x170
[ 8225.621235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8225.621235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.621235][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.621235][   T10]      netlink_unicast+0x449/0x710
[ 8225.621235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.621235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.621235][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.621235][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.621235][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.621235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.621235][   T10] 
[ 8225.622803][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8225.622803][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8225.622803][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8225.622803][   T10]      ipv6_find_idev+0x102/0x170
[ 8225.622803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8225.622803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.622803][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.622803][   T10]      netlink_unicast+0x449/0x710
[ 8225.622803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.622803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.622803][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.622803][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.622803][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.622803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.622803][   T10] 
[ 8225.624531][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8225.624792][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8225.624792][   T10]      netdev_get_by_index+0x5e/0x80
[ 8225.624792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8225.624792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8225.624792][   T10]      ip6_route_add+0x1c/0x140
[ 8225.624792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8225.624792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8225.624792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8225.624792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.624792][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.624792][   T10]      netlink_unicast+0x449/0x710
[ 8225.624792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.624792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.624792][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.624792][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.624792][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.624792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.624792][   T10] 
[ 8225.626832][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8225.626832][   T10]      netdev_get_by_index+0x5e/0x80
[ 8225.626832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8225.626832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8225.626832][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8225.626832][   T10]      ipv6_add_addr+0x411/0x2000
[ 8225.626832][   T10]      inet6_addr_add+0x30e/0xa40
[ 8225.626832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8225.626832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.626832][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.626832][   T10]      netlink_unicast+0x449/0x710
[ 8225.626832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.626832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.626832][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.626832][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.626832][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.626832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.626832][   T10] 
[ 8225.628843][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8225.628843][   T10]      netdev_get_by_index+0x5e/0x80
[ 8225.628843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8225.628843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8225.628843][   T10]      ip6_route_add+0x1c/0x140
[ 8225.628843][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8225.628843][   T10]      addrconf_add_dev+0xe2/0x170
[ 8225.628843][   T10]      inet6_addr_add+0x12f/0xa40
[ 8225.628843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8225.628843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.628843][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.628843][   T10]      netlink_unicast+0x449/0x710
[ 8225.628843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.628843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.628843][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.628843][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.628843][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.628843][   T10] 
[ 8225.630825][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8225.630825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8225.630825][   T10]      ipv6_find_idev+0x102/0x170
[ 8225.630825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8225.630825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.630825][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.630825][   T10]      netlink_unicast+0x449/0x710
[ 8225.630825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.630825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.630825][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.630825][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.630825][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.630825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.630825][   T10] 
[ 8225.632378][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8225.632378][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8225.632378][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8225.632378][   T10]      ipv6_find_idev+0x102/0x170
[ 8225.632378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8225.632378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8225.632378][   T10]      netlink_rcv_skb+0x130/0x360
[ 8225.632378][   T10]      netlink_unicast+0x449/0x710
[ 8225.632378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8225.632378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8225.632378][   T10]      ___sys_sendmsg+0xee/0x170
[ 8225.632378][   T10]      __sys_sendmsg+0xcd/0x170
[ 8225.632378][   T10]      do_syscall_64+0xc6/0x1e0
[ 8225.632378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8225.632378][   T10] 
[ 8227.634892][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8227.636029][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8227.636029][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8227.636029][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8227.636029][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8227.636029][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8227.636029][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8227.636029][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8227.636029][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8227.636029][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8227.636029][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8227.636029][ T1078]      netlink_unicast+0x449/0x710
[ 8227.636029][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8227.636029][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8227.636029][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8227.636029][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8227.636029][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8227.636029][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8227.636029][ T1078] 
[ 8227.638382][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8227.638382][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8227.638382][ T1078]      ipv6_find_idev+0x102/0x170
[ 8227.638382][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8227.638382][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8227.638382][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8227.638382][ T1078]      netlink_unicast+0x449/0x710
[ 8227.638382][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8227.638382][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8227.638382][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8227.638382][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8227.638382][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8227.638382][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8227.638382][ T1078] 
[ 8227.640112][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8227.640112][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8227.640112][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8227.640112][ T1078]      ipv6_find_idev+0x102/0x170
[ 8227.640112][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8227.640112][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8227.640112][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8227.640112][ T1078]      netlink_unicast+0x449/0x710
[ 8227.640112][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8227.640112][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8227.640112][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8227.640112][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8227.640112][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8227.640112][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8227.640112][ T1078] 
[ 8234.282809][   T42] INFO: task modprobe:1347 blocked for more than 860 seconds.
[ 8234.283067][   T42]       Not tainted 6.8.0-virtme #1
[ 8234.283192][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 8234.283389][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 8234.283641][   T42] Call Trace:
[ 8234.283769][   T42]  <TASK>
[ 8234.283841][   T42]  __schedule+0x705/0x1ac0
[ 8234.283974][   T42]  ? __pfx___schedule+0x10/0x10
[ 8234.284100][   T42]  ? schedule+0x1a5/0x210
[ 8234.284196][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8234.284325][   T42]  ? mark_lock+0x38/0x3e0
[ 8234.284423][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 8234.284549][   T42]  ? schedule+0x1a5/0x210
[ 8234.284647][   T42]  schedule+0xdf/0x210
[ 8234.284758][   T42]  schedule_preempt_disabled+0x15/0x30
[ 8234.284885][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 8234.285017][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 8234.285169][   T42]  ? kasan_save_stack+0x34/0x50
[ 8234.285292][   T42]  ? kasan_save_stack+0x24/0x50
[ 8234.285416][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8234.285547][   T42]  ? lock_acquire+0x1c1/0x220
[ 8234.285694][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 8234.285830][   T42]  down_write+0x1c9/0x200
[ 8234.285925][   T42]  ? __pfx_down_write+0x10/0x10
[ 8234.286047][   T42]  ? __pfx___lock_release+0x10/0x10
[ 8234.286179][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 8234.286368][   T42]  register_pernet_subsys+0x1a/0x50
[ 8234.286495][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 8234.286693][   T42]  do_one_initcall+0xc8/0x3f0
[ 8234.286822][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 8234.286949][   T42]  ? __create_object+0x5e/0xb0
[ 8234.287076][   T42]  ? kasan_unpoison+0x27/0x60
[ 8234.287204][   T42]  do_init_module+0x233/0x740
[ 8234.287355][   T42]  load_module+0x16b5/0x2350
[ 8234.287490][   T42]  ? __pfx_load_module+0x10/0x10
[ 8234.287613][   T42]  ? kernel_read_file+0x3d2/0x520
[ 8234.287763][   T42]  ? kernel_read_file+0x300/0x520
[ 8234.287892][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 8234.288543][   T42]  ? init_module_from_file+0xd2/0x130
[ 8234.288668][   T42]  init_module_from_file+0xd2/0x130
[ 8234.288801][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 8234.288956][   T42]  ? __lock_release+0x103/0x460
[ 8234.289080][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8234.289214][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8234.289338][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 8234.289473][   T42]  idempotent_init_module+0x342/0x620
[ 8234.289599][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 8234.289776][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 8234.289902][   T42]  do_syscall_64+0xc6/0x1e0
[ 8234.290030][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8234.290184][   T42] RIP: 0033:0x7f688a3aae5d
[ 8234.290315][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 8234.290502][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 8234.290696][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 8234.290877][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 8234.291064][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 8234.291244][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 8234.291448][   T42]  </TASK>
[ 8234.291542][   T42] 
[ 8234.291542][   T42] Showing all locks held in the system:
[ 8234.291735][   T42] 3 locks held by kworker/u16:0/10:
[ 8234.291858][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8234.292106][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8234.292327][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 8234.292546][   T42] 1 lock held by khungtaskd/42:
[ 8234.292667][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 8234.292896][   T42] 2 locks held by kworker/u19:1/60:
[ 8234.293012][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8234.293259][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8234.293541][   T42] 1 lock held by modprobe/1347:
[ 8234.293657][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 8234.293910][   T42] 
[ 8234.293972][   T42] =============================================
[ 8234.293972][   T42] 
[ 8235.874796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8235.875171][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8235.875171][   T10]      netdev_get_by_index+0x5e/0x80
[ 8235.875171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8235.875171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8235.875171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8235.875171][   T10]      ipv6_add_addr+0x411/0x2000
[ 8235.875171][   T10]      inet6_addr_add+0x30e/0xa40
[ 8235.875171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8235.875171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.875171][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.875171][   T10]      netlink_unicast+0x449/0x710
[ 8235.875171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.875171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.875171][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.875171][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.875171][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.875171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.875171][   T10] 
[ 8235.877635][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8235.877635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8235.877635][   T10]      ipv6_find_idev+0x102/0x170
[ 8235.877635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8235.877635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.877635][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.877635][   T10]      netlink_unicast+0x449/0x710
[ 8235.877635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.877635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.877635][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.877635][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.877635][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.877635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.877635][   T10] 
[ 8235.879194][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8235.879194][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8235.879194][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8235.879194][   T10]      ipv6_find_idev+0x102/0x170
[ 8235.879194][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8235.879194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.879194][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.879194][   T10]      netlink_unicast+0x449/0x710
[ 8235.879194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.879194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.879194][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.879194][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.879194][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.879194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.879194][   T10] 
[ 8235.880932][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8235.881174][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8235.881174][   T10]      netdev_get_by_index+0x5e/0x80
[ 8235.881174][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8235.881174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8235.881174][   T10]      ip6_route_add+0x1c/0x140
[ 8235.881174][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8235.881174][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8235.881174][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8235.881174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.881174][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.881174][   T10]      netlink_unicast+0x449/0x710
[ 8235.881174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.881174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.881174][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.881174][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.881174][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.881174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.881174][   T10] 
[ 8235.883193][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8235.883193][   T10]      netdev_get_by_index+0x5e/0x80
[ 8235.883193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8235.883193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8235.883193][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8235.883193][   T10]      ipv6_add_addr+0x411/0x2000
[ 8235.883193][   T10]      inet6_addr_add+0x30e/0xa40
[ 8235.883193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8235.883193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.883193][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.883193][   T10]      netlink_unicast+0x449/0x710
[ 8235.883193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.883193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.883193][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.883193][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.883193][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.883193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.883193][   T10] 
[ 8235.885210][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8235.885210][   T10]      netdev_get_by_index+0x5e/0x80
[ 8235.885210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8235.885210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8235.885210][   T10]      ip6_route_add+0x1c/0x140
[ 8235.885210][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8235.885210][   T10]      addrconf_add_dev+0xe2/0x170
[ 8235.885210][   T10]      inet6_addr_add+0x12f/0xa40
[ 8235.885210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8235.885210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.885210][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.885210][   T10]      netlink_unicast+0x449/0x710
[ 8235.885210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.885210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.885210][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.885210][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.885210][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.885210][   T10] 
[ 8235.887196][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8235.887196][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8235.887196][   T10]      ipv6_find_idev+0x102/0x170
[ 8235.887196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8235.887196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.887196][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.887196][   T10]      netlink_unicast+0x449/0x710
[ 8235.887196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.887196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.887196][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.887196][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.887196][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.887196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.887196][   T10] 
[ 8235.888748][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8235.888748][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8235.888748][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8235.888748][   T10]      ipv6_find_idev+0x102/0x170
[ 8235.888748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8235.888748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8235.888748][   T10]      netlink_rcv_skb+0x130/0x360
[ 8235.888748][   T10]      netlink_unicast+0x449/0x710
[ 8235.888748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8235.888748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8235.888748][   T10]      ___sys_sendmsg+0xee/0x170
[ 8235.888748][   T10]      __sys_sendmsg+0xcd/0x170
[ 8235.888748][   T10]      do_syscall_64+0xc6/0x1e0
[ 8235.888748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8235.888748][   T10] 
[ 8237.882811][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8237.883238][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8237.883238][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8237.883238][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8237.883238][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8237.883238][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8237.883238][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8237.883238][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8237.883238][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8237.883238][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8237.883238][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8237.883238][ T1078]      netlink_unicast+0x449/0x710
[ 8237.883238][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8237.883238][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8237.883238][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8237.883238][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8237.883238][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8237.883238][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8237.883238][ T1078] 
[ 8237.885493][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8237.885493][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8237.885493][ T1078]      ipv6_find_idev+0x102/0x170
[ 8237.885493][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8237.885493][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8237.885493][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8237.885493][ T1078]      netlink_unicast+0x449/0x710
[ 8237.885493][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8237.885493][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8237.885493][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8237.885493][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8237.885493][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8237.885493][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8237.885493][ T1078] 
[ 8237.887229][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8237.887229][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8237.887229][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8237.887229][ T1078]      ipv6_find_idev+0x102/0x170
[ 8237.887229][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8237.887229][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8237.887229][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8237.887229][ T1078]      netlink_unicast+0x449/0x710
[ 8237.887229][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8237.887229][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8237.887229][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8237.887229][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8237.887229][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8237.887229][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8237.887229][ T1078] 
[ 8246.130861][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8246.131295][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8246.131295][   T10]      netdev_get_by_index+0x5e/0x80
[ 8246.131295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8246.131295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8246.131295][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8246.131295][   T10]      ipv6_add_addr+0x411/0x2000
[ 8246.131295][   T10]      inet6_addr_add+0x30e/0xa40
[ 8246.131295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8246.131295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.131295][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.131295][   T10]      netlink_unicast+0x449/0x710
[ 8246.131295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.131295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.131295][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.131295][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.131295][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.131295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.131295][   T10] 
[ 8246.133503][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8246.133503][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8246.133503][   T10]      ipv6_find_idev+0x102/0x170
[ 8246.133503][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8246.133503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.133503][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.133503][   T10]      netlink_unicast+0x449/0x710
[ 8246.133503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.133503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.133503][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.133503][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.133503][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.133503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.133503][   T10] 
[ 8246.135096][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8246.135096][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8246.135096][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8246.135096][   T10]      ipv6_find_idev+0x102/0x170
[ 8246.135096][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8246.135096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.135096][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.135096][   T10]      netlink_unicast+0x449/0x710
[ 8246.135096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.135096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.135096][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.135096][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.135096][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.135096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.135096][   T10] 
[ 8246.136842][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8246.137086][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8246.137086][   T10]      netdev_get_by_index+0x5e/0x80
[ 8246.137086][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8246.137086][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8246.137086][   T10]      ip6_route_add+0x1c/0x140
[ 8246.137086][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8246.137086][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8246.137086][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8246.137086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.137086][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.137086][   T10]      netlink_unicast+0x449/0x710
[ 8246.137086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.137086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.137086][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.137086][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.137086][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.137086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.137086][   T10] 
[ 8246.139168][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8246.139168][   T10]      netdev_get_by_index+0x5e/0x80
[ 8246.139168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8246.139168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8246.139168][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8246.139168][   T10]      ipv6_add_addr+0x411/0x2000
[ 8246.139168][   T10]      inet6_addr_add+0x30e/0xa40
[ 8246.139168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8246.139168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.139168][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.139168][   T10]      netlink_unicast+0x449/0x710
[ 8246.139168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.139168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.139168][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.139168][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.139168][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.139168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.139168][   T10] 
[ 8246.141216][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8246.141216][   T10]      netdev_get_by_index+0x5e/0x80
[ 8246.141216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8246.141216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8246.141216][   T10]      ip6_route_add+0x1c/0x140
[ 8246.141216][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8246.141216][   T10]      addrconf_add_dev+0xe2/0x170
[ 8246.141216][   T10]      inet6_addr_add+0x12f/0xa40
[ 8246.141216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8246.141216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.141216][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.141216][   T10]      netlink_unicast+0x449/0x710
[ 8246.141216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.141216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.141216][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.141216][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.141216][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.141216][   T10] 
[ 8246.143201][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8246.143201][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8246.143201][   T10]      ipv6_find_idev+0x102/0x170
[ 8246.143201][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8246.143201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.143201][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.143201][   T10]      netlink_unicast+0x449/0x710
[ 8246.143201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.143201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.143201][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.143201][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.143201][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.143201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.143201][   T10] 
[ 8246.144759][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8246.144759][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8246.144759][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8246.144759][   T10]      ipv6_find_idev+0x102/0x170
[ 8246.144759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8246.144759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8246.144759][   T10]      netlink_rcv_skb+0x130/0x360
[ 8246.144759][   T10]      netlink_unicast+0x449/0x710
[ 8246.144759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8246.144759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8246.144759][   T10]      ___sys_sendmsg+0xee/0x170
[ 8246.144759][   T10]      __sys_sendmsg+0xcd/0x170
[ 8246.144759][   T10]      do_syscall_64+0xc6/0x1e0
[ 8246.144759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8246.144759][   T10] 
[ 8248.130821][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8248.131259][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8248.131259][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8248.131259][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8248.131259][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8248.131259][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8248.131259][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8248.131259][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8248.131259][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8248.131259][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8248.131259][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8248.131259][ T1078]      netlink_unicast+0x449/0x710
[ 8248.131259][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8248.131259][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8248.131259][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8248.131259][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8248.131259][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8248.131259][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8248.131259][ T1078] 
[ 8248.133588][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8248.133588][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8248.133588][ T1078]      ipv6_find_idev+0x102/0x170
[ 8248.133588][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8248.133588][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8248.133588][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8248.133588][ T1078]      netlink_unicast+0x449/0x710
[ 8248.133588][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8248.133588][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8248.133588][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8248.133588][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8248.133588][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8248.133588][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8248.133588][ T1078] 
[ 8248.135354][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8248.135354][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8248.135354][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8248.135354][ T1078]      ipv6_find_idev+0x102/0x170
[ 8248.135354][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8248.135354][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8248.135354][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8248.135354][ T1078]      netlink_unicast+0x449/0x710
[ 8248.135354][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8248.135354][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8248.135354][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8248.135354][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8248.135354][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8248.135354][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8248.135354][ T1078] 
[ 8256.386851][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8256.387302][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8256.387302][   T10]      netdev_get_by_index+0x5e/0x80
[ 8256.387302][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8256.387302][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8256.387302][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8256.387302][   T10]      ipv6_add_addr+0x411/0x2000
[ 8256.387302][   T10]      inet6_addr_add+0x30e/0xa40
[ 8256.387302][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8256.387302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.387302][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.387302][   T10]      netlink_unicast+0x449/0x710
[ 8256.387302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.387302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.387302][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.387302][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.387302][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.387302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.387302][   T10] 
[ 8256.389401][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8256.389401][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8256.389401][   T10]      ipv6_find_idev+0x102/0x170
[ 8256.389401][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8256.389401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.389401][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.389401][   T10]      netlink_unicast+0x449/0x710
[ 8256.389401][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.389401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.389401][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.389401][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.389401][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.389401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.389401][   T10] 
[ 8256.390997][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8256.390997][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8256.390997][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8256.390997][   T10]      ipv6_find_idev+0x102/0x170
[ 8256.390997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8256.390997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.390997][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.390997][   T10]      netlink_unicast+0x449/0x710
[ 8256.390997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.390997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.390997][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.390997][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.390997][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.390997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.390997][   T10] 
[ 8256.392784][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8256.393045][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8256.393045][   T10]      netdev_get_by_index+0x5e/0x80
[ 8256.393045][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8256.393045][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8256.393045][   T10]      ip6_route_add+0x1c/0x140
[ 8256.393045][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8256.393045][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8256.393045][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8256.393045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.393045][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.393045][   T10]      netlink_unicast+0x449/0x710
[ 8256.393045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.393045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.393045][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.393045][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.393045][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.393045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.393045][   T10] 
[ 8256.395136][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8256.395136][   T10]      netdev_get_by_index+0x5e/0x80
[ 8256.395136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8256.395136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8256.395136][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8256.395136][   T10]      ipv6_add_addr+0x411/0x2000
[ 8256.395136][   T10]      inet6_addr_add+0x30e/0xa40
[ 8256.395136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8256.395136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.395136][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.395136][   T10]      netlink_unicast+0x449/0x710
[ 8256.395136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.395136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.395136][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.395136][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.395136][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.395136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.395136][   T10] 
[ 8256.397171][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8256.397171][   T10]      netdev_get_by_index+0x5e/0x80
[ 8256.397171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8256.397171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8256.397171][   T10]      ip6_route_add+0x1c/0x140
[ 8256.397171][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8256.397171][   T10]      addrconf_add_dev+0xe2/0x170
[ 8256.397171][   T10]      inet6_addr_add+0x12f/0xa40
[ 8256.397171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8256.397171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.397171][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.397171][   T10]      netlink_unicast+0x449/0x710
[ 8256.397171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.397171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.397171][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.397171][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.397171][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.397171][   T10] 
[ 8256.399160][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8256.399160][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8256.399160][   T10]      ipv6_find_idev+0x102/0x170
[ 8256.399160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8256.399160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.399160][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.399160][   T10]      netlink_unicast+0x449/0x710
[ 8256.399160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.399160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.399160][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.399160][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.399160][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.399160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.399160][   T10] 
[ 8256.400718][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8256.400718][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8256.400718][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8256.400718][   T10]      ipv6_find_idev+0x102/0x170
[ 8256.400718][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8256.400718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8256.400718][   T10]      netlink_rcv_skb+0x130/0x360
[ 8256.400718][   T10]      netlink_unicast+0x449/0x710
[ 8256.400718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8256.400718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8256.400718][   T10]      ___sys_sendmsg+0xee/0x170
[ 8256.400718][   T10]      __sys_sendmsg+0xcd/0x170
[ 8256.400718][   T10]      do_syscall_64+0xc6/0x1e0
[ 8256.400718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8256.400718][   T10] 
[ 8258.378874][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8258.379474][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8258.379474][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8258.379474][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8258.379474][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8258.379474][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8258.379474][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8258.379474][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8258.379474][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8258.379474][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8258.379474][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8258.379474][ T1078]      netlink_unicast+0x449/0x710
[ 8258.379474][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8258.379474][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8258.379474][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8258.379474][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8258.379474][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8258.379474][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8258.379474][ T1078] 
[ 8258.381751][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8258.381751][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8258.381751][ T1078]      ipv6_find_idev+0x102/0x170
[ 8258.381751][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8258.381751][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8258.381751][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8258.381751][ T1078]      netlink_unicast+0x449/0x710
[ 8258.381751][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8258.381751][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8258.381751][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8258.381751][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8258.381751][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8258.381751][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8258.381751][ T1078] 
[ 8258.383482][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8258.383482][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8258.383482][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8258.383482][ T1078]      ipv6_find_idev+0x102/0x170
[ 8258.383482][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8258.383482][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8258.383482][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8258.383482][ T1078]      netlink_unicast+0x449/0x710
[ 8258.383482][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8258.383482][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8258.383482][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8258.383482][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8258.383482][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8258.383482][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8258.383482][ T1078] 
[ 8266.642921][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8266.643368][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8266.643368][   T10]      netdev_get_by_index+0x5e/0x80
[ 8266.643368][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8266.643368][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8266.643368][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8266.643368][   T10]      ipv6_add_addr+0x411/0x2000
[ 8266.643368][   T10]      inet6_addr_add+0x30e/0xa40
[ 8266.643368][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8266.643368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.643368][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.643368][   T10]      netlink_unicast+0x449/0x710
[ 8266.643368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.643368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.643368][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.643368][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.643368][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.643368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.643368][   T10] 
[ 8266.645585][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8266.645585][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8266.645585][   T10]      ipv6_find_idev+0x102/0x170
[ 8266.645585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8266.645585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.645585][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.645585][   T10]      netlink_unicast+0x449/0x710
[ 8266.645585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.645585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.645585][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.645585][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.645585][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.645585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.645585][   T10] 
[ 8266.647211][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8266.647211][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8266.647211][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8266.647211][   T10]      ipv6_find_idev+0x102/0x170
[ 8266.647211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8266.647211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.647211][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.647211][   T10]      netlink_unicast+0x449/0x710
[ 8266.647211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.647211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.647211][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.647211][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.647211][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.647211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.647211][   T10] 
[ 8266.649001][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8266.649249][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8266.649249][   T10]      netdev_get_by_index+0x5e/0x80
[ 8266.649249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8266.649249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8266.649249][   T10]      ip6_route_add+0x1c/0x140
[ 8266.649249][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8266.649249][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8266.649249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8266.649249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.649249][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.649249][   T10]      netlink_unicast+0x449/0x710
[ 8266.649249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.649249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.649249][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.649249][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.649249][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.649249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.649249][   T10] 
[ 8266.651355][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8266.651355][   T10]      netdev_get_by_index+0x5e/0x80
[ 8266.651355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8266.651355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8266.651355][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8266.651355][   T10]      ipv6_add_addr+0x411/0x2000
[ 8266.651355][   T10]      inet6_addr_add+0x30e/0xa40
[ 8266.651355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8266.651355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.651355][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.651355][   T10]      netlink_unicast+0x449/0x710
[ 8266.651355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.651355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.651355][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.651355][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.651355][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.651355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.651355][   T10] 
[ 8266.653416][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8266.653416][   T10]      netdev_get_by_index+0x5e/0x80
[ 8266.653416][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8266.653416][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8266.653416][   T10]      ip6_route_add+0x1c/0x140
[ 8266.653416][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8266.653416][   T10]      addrconf_add_dev+0xe2/0x170
[ 8266.653416][   T10]      inet6_addr_add+0x12f/0xa40
[ 8266.653416][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8266.653416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.653416][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.653416][   T10]      netlink_unicast+0x449/0x710
[ 8266.653416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.653416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.653416][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.653416][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.653416][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.653416][   T10] 
[ 8266.655411][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8266.655411][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8266.655411][   T10]      ipv6_find_idev+0x102/0x170
[ 8266.655411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8266.655411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.655411][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.655411][   T10]      netlink_unicast+0x449/0x710
[ 8266.655411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.655411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.655411][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.655411][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.655411][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.655411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.655411][   T10] 
[ 8266.656976][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8266.656976][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8266.656976][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8266.656976][   T10]      ipv6_find_idev+0x102/0x170
[ 8266.656976][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8266.656976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8266.656976][   T10]      netlink_rcv_skb+0x130/0x360
[ 8266.656976][   T10]      netlink_unicast+0x449/0x710
[ 8266.656976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8266.656976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8266.656976][   T10]      ___sys_sendmsg+0xee/0x170
[ 8266.656976][   T10]      __sys_sendmsg+0xcd/0x170
[ 8266.656976][   T10]      do_syscall_64+0xc6/0x1e0
[ 8266.656976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8266.656976][   T10] 
[ 8268.626816][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8268.627309][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8268.627309][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8268.627309][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8268.627309][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8268.627309][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8268.627309][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8268.627309][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8268.627309][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8268.627309][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8268.627309][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8268.627309][ T1078]      netlink_unicast+0x449/0x710
[ 8268.627309][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8268.627309][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8268.627309][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8268.627309][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8268.627309][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8268.627309][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8268.627309][ T1078] 
[ 8268.629604][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8268.629604][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8268.629604][ T1078]      ipv6_find_idev+0x102/0x170
[ 8268.629604][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8268.629604][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8268.629604][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8268.629604][ T1078]      netlink_unicast+0x449/0x710
[ 8268.629604][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8268.629604][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8268.629604][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8268.629604][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8268.629604][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8268.629604][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8268.629604][ T1078] 
[ 8268.631381][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8268.631381][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8268.631381][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8268.631381][ T1078]      ipv6_find_idev+0x102/0x170
[ 8268.631381][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8268.631381][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8268.631381][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8268.631381][ T1078]      netlink_unicast+0x449/0x710
[ 8268.631381][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8268.631381][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8268.631381][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8268.631381][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8268.631381][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8268.631381][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8268.631381][ T1078] 
[ 8276.762882][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8276.763342][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8276.763342][   T10]      netdev_get_by_index+0x5e/0x80
[ 8276.763342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8276.763342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8276.763342][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8276.763342][   T10]      ipv6_add_addr+0x411/0x2000
[ 8276.763342][   T10]      inet6_addr_add+0x30e/0xa40
[ 8276.763342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8276.763342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.763342][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.763342][   T10]      netlink_unicast+0x449/0x710
[ 8276.763342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.763342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.763342][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.763342][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.763342][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.763342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.763342][   T10] 
[ 8276.765411][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8276.765411][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8276.765411][   T10]      ipv6_find_idev+0x102/0x170
[ 8276.765411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8276.765411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.765411][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.765411][   T10]      netlink_unicast+0x449/0x710
[ 8276.765411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.765411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.765411][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.765411][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.765411][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.765411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.765411][   T10] 
[ 8276.766983][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8276.766983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8276.766983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8276.766983][   T10]      ipv6_find_idev+0x102/0x170
[ 8276.766983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8276.766983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.766983][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.766983][   T10]      netlink_unicast+0x449/0x710
[ 8276.766983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.766983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.766983][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.766983][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.766983][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.766983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.766983][   T10] 
[ 8276.768716][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8276.768962][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8276.768962][   T10]      netdev_get_by_index+0x5e/0x80
[ 8276.768962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8276.768962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8276.768962][   T10]      ip6_route_add+0x1c/0x140
[ 8276.768962][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8276.768962][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8276.768962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8276.768962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.768962][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.768962][   T10]      netlink_unicast+0x449/0x710
[ 8276.768962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.768962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.768962][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.768962][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.768962][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.768962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.768962][   T10] 
[ 8276.770982][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8276.770982][   T10]      netdev_get_by_index+0x5e/0x80
[ 8276.770982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8276.770982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8276.770982][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8276.770982][   T10]      ipv6_add_addr+0x411/0x2000
[ 8276.770982][   T10]      inet6_addr_add+0x30e/0xa40
[ 8276.770982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8276.770982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.770982][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.770982][   T10]      netlink_unicast+0x449/0x710
[ 8276.770982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.770982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.770982][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.770982][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.770982][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.770982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.770982][   T10] 
[ 8276.773095][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8276.773095][   T10]      netdev_get_by_index+0x5e/0x80
[ 8276.773095][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8276.773095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8276.773095][   T10]      ip6_route_add+0x1c/0x140
[ 8276.773095][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8276.773095][   T10]      addrconf_add_dev+0xe2/0x170
[ 8276.773095][   T10]      inet6_addr_add+0x12f/0xa40
[ 8276.773095][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8276.773095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.773095][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.773095][   T10]      netlink_unicast+0x449/0x710
[ 8276.773095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.773095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.773095][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.773095][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.773095][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.773095][   T10] 
[ 8276.775093][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8276.775093][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8276.775093][   T10]      ipv6_find_idev+0x102/0x170
[ 8276.775093][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8276.775093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.775093][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.775093][   T10]      netlink_unicast+0x449/0x710
[ 8276.775093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.775093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.775093][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.775093][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.775093][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.775093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.775093][   T10] 
[ 8276.776673][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8276.776673][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8276.776673][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8276.776673][   T10]      ipv6_find_idev+0x102/0x170
[ 8276.776673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8276.776673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8276.776673][   T10]      netlink_rcv_skb+0x130/0x360
[ 8276.776673][   T10]      netlink_unicast+0x449/0x710
[ 8276.776673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8276.776673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8276.776673][   T10]      ___sys_sendmsg+0xee/0x170
[ 8276.776673][   T10]      __sys_sendmsg+0xcd/0x170
[ 8276.776673][   T10]      do_syscall_64+0xc6/0x1e0
[ 8276.776673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8276.776673][   T10] 
[ 8278.874858][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8278.876052][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8278.876052][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8278.876052][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8278.876052][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8278.876052][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8278.876052][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8278.876052][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8278.876052][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8278.876052][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8278.876052][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8278.876052][ T1078]      netlink_unicast+0x449/0x710
[ 8278.876052][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8278.876052][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8278.876052][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8278.876052][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8278.876052][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8278.876052][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8278.876052][ T1078] 
[ 8278.878375][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8278.878375][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8278.878375][ T1078]      ipv6_find_idev+0x102/0x170
[ 8278.878375][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8278.878375][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8278.878375][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8278.878375][ T1078]      netlink_unicast+0x449/0x710
[ 8278.878375][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8278.878375][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8278.878375][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8278.878375][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8278.878375][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8278.878375][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8278.878375][ T1078] 
[ 8278.880134][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8278.880134][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8278.880134][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8278.880134][ T1078]      ipv6_find_idev+0x102/0x170
[ 8278.880134][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8278.880134][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8278.880134][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8278.880134][ T1078]      netlink_unicast+0x449/0x710
[ 8278.880134][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8278.880134][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8278.880134][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8278.880134][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8278.880134][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8278.880134][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8278.880134][ T1078] 
[ 8287.018815][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8287.019216][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8287.019216][   T10]      netdev_get_by_index+0x5e/0x80
[ 8287.019216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8287.019216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8287.019216][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8287.019216][   T10]      ipv6_add_addr+0x411/0x2000
[ 8287.019216][   T10]      inet6_addr_add+0x30e/0xa40
[ 8287.019216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8287.019216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.019216][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.019216][   T10]      netlink_unicast+0x449/0x710
[ 8287.019216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.019216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.019216][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.019216][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.019216][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.019216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.019216][   T10] 
[ 8287.021308][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8287.021308][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8287.021308][   T10]      ipv6_find_idev+0x102/0x170
[ 8287.021308][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8287.021308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.021308][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.021308][   T10]      netlink_unicast+0x449/0x710
[ 8287.021308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.021308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.021308][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.021308][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.021308][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.021308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.021308][   T10] 
[ 8287.022872][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8287.022872][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8287.022872][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8287.022872][   T10]      ipv6_find_idev+0x102/0x170
[ 8287.022872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8287.022872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.022872][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.022872][   T10]      netlink_unicast+0x449/0x710
[ 8287.022872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.022872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.022872][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.022872][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.022872][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.022872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.022872][   T10] 
[ 8287.024621][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8287.024896][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8287.024896][   T10]      netdev_get_by_index+0x5e/0x80
[ 8287.024896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8287.024896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8287.024896][   T10]      ip6_route_add+0x1c/0x140
[ 8287.024896][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8287.024896][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8287.024896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8287.024896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.024896][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.024896][   T10]      netlink_unicast+0x449/0x710
[ 8287.024896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.024896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.024896][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.024896][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.024896][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.024896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.024896][   T10] 
[ 8287.026984][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8287.026984][   T10]      netdev_get_by_index+0x5e/0x80
[ 8287.026984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8287.026984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8287.026984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8287.026984][   T10]      ipv6_add_addr+0x411/0x2000
[ 8287.026984][   T10]      inet6_addr_add+0x30e/0xa40
[ 8287.026984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8287.026984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.026984][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.026984][   T10]      netlink_unicast+0x449/0x710
[ 8287.026984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.026984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.026984][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.026984][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.026984][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.026984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.026984][   T10] 
[ 8287.029013][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8287.029013][   T10]      netdev_get_by_index+0x5e/0x80
[ 8287.029013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8287.029013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8287.029013][   T10]      ip6_route_add+0x1c/0x140
[ 8287.029013][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8287.029013][   T10]      addrconf_add_dev+0xe2/0x170
[ 8287.029013][   T10]      inet6_addr_add+0x12f/0xa40
[ 8287.029013][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8287.029013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.029013][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.029013][   T10]      netlink_unicast+0x449/0x710
[ 8287.029013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.029013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.029013][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.029013][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.029013][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.029013][   T10] 
[ 8287.030995][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8287.030995][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8287.030995][   T10]      ipv6_find_idev+0x102/0x170
[ 8287.030995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8287.030995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.030995][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.030995][   T10]      netlink_unicast+0x449/0x710
[ 8287.030995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.030995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.030995][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.030995][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.030995][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.030995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.030995][   T10] 
[ 8287.032559][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8287.032559][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8287.032559][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8287.032559][   T10]      ipv6_find_idev+0x102/0x170
[ 8287.032559][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8287.032559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8287.032559][   T10]      netlink_rcv_skb+0x130/0x360
[ 8287.032559][   T10]      netlink_unicast+0x449/0x710
[ 8287.032559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8287.032559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8287.032559][   T10]      ___sys_sendmsg+0xee/0x170
[ 8287.032559][   T10]      __sys_sendmsg+0xcd/0x170
[ 8287.032559][   T10]      do_syscall_64+0xc6/0x1e0
[ 8287.032559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8287.032559][   T10] 
[ 8289.122746][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8289.123164][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8289.123164][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8289.123164][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8289.123164][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8289.123164][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8289.123164][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8289.123164][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8289.123164][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8289.123164][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8289.123164][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8289.123164][ T1078]      netlink_unicast+0x449/0x710
[ 8289.123164][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8289.123164][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8289.123164][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8289.123164][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8289.123164][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8289.123164][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8289.123164][ T1078] 
[ 8289.125445][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8289.125445][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8289.125445][ T1078]      ipv6_find_idev+0x102/0x170
[ 8289.125445][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8289.125445][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8289.125445][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8289.125445][ T1078]      netlink_unicast+0x449/0x710
[ 8289.125445][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8289.125445][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8289.125445][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8289.125445][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8289.125445][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8289.125445][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8289.125445][ T1078] 
[ 8289.127273][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8289.127273][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8289.127273][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8289.127273][ T1078]      ipv6_find_idev+0x102/0x170
[ 8289.127273][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8289.127273][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8289.127273][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8289.127273][ T1078]      netlink_unicast+0x449/0x710
[ 8289.127273][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8289.127273][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8289.127273][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8289.127273][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8289.127273][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8289.127273][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8289.127273][ T1078] 
[ 8297.274752][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8297.275207][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8297.275207][   T10]      netdev_get_by_index+0x5e/0x80
[ 8297.275207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8297.275207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8297.275207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8297.275207][   T10]      ipv6_add_addr+0x411/0x2000
[ 8297.275207][   T10]      inet6_addr_add+0x30e/0xa40
[ 8297.275207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8297.275207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.275207][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.275207][   T10]      netlink_unicast+0x449/0x710
[ 8297.275207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.275207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.275207][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.275207][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.275207][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.275207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.275207][   T10] 
[ 8297.277855][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8297.277855][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8297.277855][   T10]      ipv6_find_idev+0x102/0x170
[ 8297.277855][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8297.277855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.277855][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.277855][   T10]      netlink_unicast+0x449/0x710
[ 8297.277855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.277855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.277855][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.277855][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.277855][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.277855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.277855][   T10] 
[ 8297.279871][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8297.279871][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8297.279871][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8297.279871][   T10]      ipv6_find_idev+0x102/0x170
[ 8297.279871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8297.279871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.279871][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.279871][   T10]      netlink_unicast+0x449/0x710
[ 8297.279871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.279871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.279871][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.279871][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.279871][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.279871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.279871][   T10] 
[ 8297.282094][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8297.282407][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8297.282407][   T10]      netdev_get_by_index+0x5e/0x80
[ 8297.282407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8297.282407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8297.282407][   T10]      ip6_route_add+0x1c/0x140
[ 8297.282407][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8297.282407][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8297.282407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8297.282407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.282407][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.282407][   T10]      netlink_unicast+0x449/0x710
[ 8297.282407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.282407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.282407][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.282407][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.282407][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.282407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.282407][   T10] 
[ 8297.284928][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8297.284928][   T10]      netdev_get_by_index+0x5e/0x80
[ 8297.284928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8297.284928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8297.284928][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8297.284928][   T10]      ipv6_add_addr+0x411/0x2000
[ 8297.284928][   T10]      inet6_addr_add+0x30e/0xa40
[ 8297.284928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8297.284928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.284928][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.284928][   T10]      netlink_unicast+0x449/0x710
[ 8297.284928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.284928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.284928][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.284928][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.284928][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.284928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.284928][   T10] 
[ 8297.286960][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8297.286960][   T10]      netdev_get_by_index+0x5e/0x80
[ 8297.286960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8297.286960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8297.286960][   T10]      ip6_route_add+0x1c/0x140
[ 8297.286960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8297.286960][   T10]      addrconf_add_dev+0xe2/0x170
[ 8297.286960][   T10]      inet6_addr_add+0x12f/0xa40
[ 8297.286960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8297.286960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.286960][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.286960][   T10]      netlink_unicast+0x449/0x710
[ 8297.286960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.286960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.286960][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.286960][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.286960][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.286960][   T10] 
[ 8297.288936][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8297.288936][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8297.288936][   T10]      ipv6_find_idev+0x102/0x170
[ 8297.288936][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8297.288936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.288936][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.288936][   T10]      netlink_unicast+0x449/0x710
[ 8297.288936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.288936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.288936][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.288936][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.288936][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.288936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.288936][   T10] 
[ 8297.290493][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8297.290493][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8297.290493][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8297.290493][   T10]      ipv6_find_idev+0x102/0x170
[ 8297.290493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8297.290493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8297.290493][   T10]      netlink_rcv_skb+0x130/0x360
[ 8297.290493][   T10]      netlink_unicast+0x449/0x710
[ 8297.290493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8297.290493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8297.290493][   T10]      ___sys_sendmsg+0xee/0x170
[ 8297.290493][   T10]      __sys_sendmsg+0xcd/0x170
[ 8297.290493][   T10]      do_syscall_64+0xc6/0x1e0
[ 8297.290493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8297.290493][   T10] 
[ 8299.370877][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8299.371375][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8299.371375][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8299.371375][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8299.371375][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8299.371375][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8299.371375][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8299.371375][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8299.371375][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8299.371375][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8299.371375][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8299.371375][ T1078]      netlink_unicast+0x449/0x710
[ 8299.371375][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8299.371375][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8299.371375][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8299.371375][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8299.371375][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8299.371375][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8299.371375][ T1078] 
[ 8299.373683][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8299.373683][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8299.373683][ T1078]      ipv6_find_idev+0x102/0x170
[ 8299.373683][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8299.373683][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8299.373683][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8299.373683][ T1078]      netlink_unicast+0x449/0x710
[ 8299.373683][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8299.373683][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8299.373683][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8299.373683][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8299.373683][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8299.373683][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8299.373683][ T1078] 
[ 8299.375430][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8299.375430][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8299.375430][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8299.375430][ T1078]      ipv6_find_idev+0x102/0x170
[ 8299.375430][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8299.375430][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8299.375430][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8299.375430][ T1078]      netlink_unicast+0x449/0x710
[ 8299.375430][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8299.375430][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8299.375430][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8299.375430][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8299.375430][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8299.375430][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8299.375430][ T1078] 
[ 8307.530793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8307.531141][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8307.531141][   T10]      netdev_get_by_index+0x5e/0x80
[ 8307.531141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8307.531141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8307.531141][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8307.531141][   T10]      ipv6_add_addr+0x411/0x2000
[ 8307.531141][   T10]      inet6_addr_add+0x30e/0xa40
[ 8307.531141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8307.531141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.531141][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.531141][   T10]      netlink_unicast+0x449/0x710
[ 8307.531141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.531141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.531141][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.531141][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.531141][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.531141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.531141][   T10] 
[ 8307.533155][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8307.533155][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8307.533155][   T10]      ipv6_find_idev+0x102/0x170
[ 8307.533155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8307.533155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.533155][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.533155][   T10]      netlink_unicast+0x449/0x710
[ 8307.533155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.533155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.533155][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.533155][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.533155][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.533155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.533155][   T10] 
[ 8307.534696][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8307.534696][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8307.534696][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8307.534696][   T10]      ipv6_find_idev+0x102/0x170
[ 8307.534696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8307.534696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.534696][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.534696][   T10]      netlink_unicast+0x449/0x710
[ 8307.534696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.534696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.534696][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.534696][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.534696][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.534696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.534696][   T10] 
[ 8307.536402][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8307.536638][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8307.536638][   T10]      netdev_get_by_index+0x5e/0x80
[ 8307.536638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8307.536638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8307.536638][   T10]      ip6_route_add+0x1c/0x140
[ 8307.536638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8307.536638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8307.536638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8307.536638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.536638][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.536638][   T10]      netlink_unicast+0x449/0x710
[ 8307.536638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.536638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.536638][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.536638][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.536638][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.536638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.536638][   T10] 
[ 8307.538633][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8307.538633][   T10]      netdev_get_by_index+0x5e/0x80
[ 8307.538633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8307.538633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8307.538633][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8307.538633][   T10]      ipv6_add_addr+0x411/0x2000
[ 8307.538633][   T10]      inet6_addr_add+0x30e/0xa40
[ 8307.538633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8307.538633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.538633][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.538633][   T10]      netlink_unicast+0x449/0x710
[ 8307.538633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.538633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.538633][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.538633][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.538633][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.538633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.538633][   T10] 
[ 8307.540623][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8307.540623][   T10]      netdev_get_by_index+0x5e/0x80
[ 8307.540623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8307.540623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8307.540623][   T10]      ip6_route_add+0x1c/0x140
[ 8307.540623][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8307.540623][   T10]      addrconf_add_dev+0xe2/0x170
[ 8307.540623][   T10]      inet6_addr_add+0x12f/0xa40
[ 8307.540623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8307.540623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.540623][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.540623][   T10]      netlink_unicast+0x449/0x710
[ 8307.540623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.540623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.540623][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.540623][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.540623][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.540623][   T10] 
[ 8307.542577][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8307.542577][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8307.542577][   T10]      ipv6_find_idev+0x102/0x170
[ 8307.542577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8307.542577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.542577][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.542577][   T10]      netlink_unicast+0x449/0x710
[ 8307.542577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.542577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.542577][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.542577][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.542577][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.542577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.542577][   T10] 
[ 8307.544119][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8307.544119][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8307.544119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8307.544119][   T10]      ipv6_find_idev+0x102/0x170
[ 8307.544119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8307.544119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8307.544119][   T10]      netlink_rcv_skb+0x130/0x360
[ 8307.544119][   T10]      netlink_unicast+0x449/0x710
[ 8307.544119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8307.544119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8307.544119][   T10]      ___sys_sendmsg+0xee/0x170
[ 8307.544119][   T10]      __sys_sendmsg+0xcd/0x170
[ 8307.544119][   T10]      do_syscall_64+0xc6/0x1e0
[ 8307.544119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8307.544119][   T10] 
[ 8309.618873][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8309.619994][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8309.619994][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8309.619994][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8309.619994][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8309.619994][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8309.619994][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8309.619994][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8309.619994][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8309.619994][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8309.619994][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8309.619994][ T1078]      netlink_unicast+0x449/0x710
[ 8309.619994][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8309.619994][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8309.619994][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8309.619994][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8309.619994][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8309.619994][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8309.619994][ T1078] 
[ 8309.622303][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8309.622303][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8309.622303][ T1078]      ipv6_find_idev+0x102/0x170
[ 8309.622303][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8309.622303][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8309.622303][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8309.622303][ T1078]      netlink_unicast+0x449/0x710
[ 8309.622303][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8309.622303][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8309.622303][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8309.622303][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8309.622303][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8309.622303][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8309.622303][ T1078] 
[ 8309.624083][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8309.624083][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8309.624083][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8309.624083][ T1078]      ipv6_find_idev+0x102/0x170
[ 8309.624083][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8309.624083][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8309.624083][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8309.624083][ T1078]      netlink_unicast+0x449/0x710
[ 8309.624083][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8309.624083][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8309.624083][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8309.624083][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8309.624083][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8309.624083][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8309.624083][ T1078] 
[ 8317.786881][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8317.787385][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8317.787385][   T10]      netdev_get_by_index+0x5e/0x80
[ 8317.787385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8317.787385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8317.787385][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8317.787385][   T10]      ipv6_add_addr+0x411/0x2000
[ 8317.787385][   T10]      inet6_addr_add+0x30e/0xa40
[ 8317.787385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8317.787385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.787385][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.787385][   T10]      netlink_unicast+0x449/0x710
[ 8317.787385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.787385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.787385][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.787385][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.787385][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.787385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.787385][   T10] 
[ 8317.789437][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8317.789437][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8317.789437][   T10]      ipv6_find_idev+0x102/0x170
[ 8317.789437][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8317.789437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.789437][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.789437][   T10]      netlink_unicast+0x449/0x710
[ 8317.789437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.789437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.789437][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.789437][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.789437][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.789437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.789437][   T10] 
[ 8317.790976][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8317.790976][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8317.790976][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8317.790976][   T10]      ipv6_find_idev+0x102/0x170
[ 8317.790976][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8317.790976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.790976][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.790976][   T10]      netlink_unicast+0x449/0x710
[ 8317.790976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.790976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.790976][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.790976][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.790976][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.790976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.790976][   T10] 
[ 8317.792673][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8317.792931][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8317.792931][   T10]      netdev_get_by_index+0x5e/0x80
[ 8317.792931][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8317.792931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8317.792931][   T10]      ip6_route_add+0x1c/0x140
[ 8317.792931][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8317.792931][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8317.792931][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8317.792931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.792931][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.792931][   T10]      netlink_unicast+0x449/0x710
[ 8317.792931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.792931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.792931][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.792931][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.792931][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.792931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.792931][   T10] 
[ 8317.795460][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8317.795460][   T10]      netdev_get_by_index+0x5e/0x80
[ 8317.795460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8317.795460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8317.795460][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8317.795460][   T10]      ipv6_add_addr+0x411/0x2000
[ 8317.795460][   T10]      inet6_addr_add+0x30e/0xa40
[ 8317.795460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8317.795460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.795460][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.795460][   T10]      netlink_unicast+0x449/0x710
[ 8317.795460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.795460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.795460][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.795460][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.795460][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.795460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.795460][   T10] 
[ 8317.797446][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8317.797446][   T10]      netdev_get_by_index+0x5e/0x80
[ 8317.797446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8317.797446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8317.797446][   T10]      ip6_route_add+0x1c/0x140
[ 8317.797446][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8317.797446][   T10]      addrconf_add_dev+0xe2/0x170
[ 8317.797446][   T10]      inet6_addr_add+0x12f/0xa40
[ 8317.797446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8317.797446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.797446][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.797446][   T10]      netlink_unicast+0x449/0x710
[ 8317.797446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.797446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.797446][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.797446][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.797446][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.797446][   T10] 
[ 8317.799395][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8317.799395][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8317.799395][   T10]      ipv6_find_idev+0x102/0x170
[ 8317.799395][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8317.799395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.799395][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.799395][   T10]      netlink_unicast+0x449/0x710
[ 8317.799395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.799395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.799395][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.799395][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.799395][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.799395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.799395][   T10] 
[ 8317.800930][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8317.800930][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8317.800930][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8317.800930][   T10]      ipv6_find_idev+0x102/0x170
[ 8317.800930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8317.800930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8317.800930][   T10]      netlink_rcv_skb+0x130/0x360
[ 8317.800930][   T10]      netlink_unicast+0x449/0x710
[ 8317.800930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8317.800930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8317.800930][   T10]      ___sys_sendmsg+0xee/0x170
[ 8317.800930][   T10]      __sys_sendmsg+0xcd/0x170
[ 8317.800930][   T10]      do_syscall_64+0xc6/0x1e0
[ 8317.800930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8317.800930][   T10] 
[ 8319.866870][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8319.868053][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8319.868053][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8319.868053][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8319.868053][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8319.868053][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8319.868053][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8319.868053][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8319.868053][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8319.868053][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8319.868053][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8319.868053][ T1078]      netlink_unicast+0x449/0x710
[ 8319.868053][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8319.868053][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8319.868053][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8319.868053][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8319.868053][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8319.868053][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8319.868053][ T1078] 
[ 8319.870389][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8319.870389][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8319.870389][ T1078]      ipv6_find_idev+0x102/0x170
[ 8319.870389][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8319.870389][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8319.870389][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8319.870389][ T1078]      netlink_unicast+0x449/0x710
[ 8319.870389][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8319.870389][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8319.870389][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8319.870389][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8319.870389][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8319.870389][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8319.870389][ T1078] 
[ 8319.872146][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8319.872146][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8319.872146][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8319.872146][ T1078]      ipv6_find_idev+0x102/0x170
[ 8319.872146][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8319.872146][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8319.872146][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8319.872146][ T1078]      netlink_unicast+0x449/0x710
[ 8319.872146][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8319.872146][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8319.872146][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8319.872146][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8319.872146][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8319.872146][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8319.872146][ T1078] 
[ 8328.042811][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8328.043263][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8328.043263][   T10]      netdev_get_by_index+0x5e/0x80
[ 8328.043263][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8328.043263][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8328.043263][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8328.043263][   T10]      ipv6_add_addr+0x411/0x2000
[ 8328.043263][   T10]      inet6_addr_add+0x30e/0xa40
[ 8328.043263][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8328.043263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.043263][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.043263][   T10]      netlink_unicast+0x449/0x710
[ 8328.043263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.043263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.043263][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.043263][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.043263][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.043263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.043263][   T10] 
[ 8328.045714][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8328.045714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8328.045714][   T10]      ipv6_find_idev+0x102/0x170
[ 8328.045714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8328.045714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.045714][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.045714][   T10]      netlink_unicast+0x449/0x710
[ 8328.045714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.045714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.045714][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.045714][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.045714][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.045714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.045714][   T10] 
[ 8328.047564][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8328.047564][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8328.047564][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8328.047564][   T10]      ipv6_find_idev+0x102/0x170
[ 8328.047564][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8328.047564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.047564][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.047564][   T10]      netlink_unicast+0x449/0x710
[ 8328.047564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.047564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.047564][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.047564][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.047564][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.047564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.047564][   T10] 
[ 8328.049589][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8328.049880][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8328.049880][   T10]      netdev_get_by_index+0x5e/0x80
[ 8328.049880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8328.049880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8328.049880][   T10]      ip6_route_add+0x1c/0x140
[ 8328.049880][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8328.049880][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8328.049880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8328.049880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.049880][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.049880][   T10]      netlink_unicast+0x449/0x710
[ 8328.049880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.049880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.049880][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.049880][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.049880][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.049880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.049880][   T10] 
[ 8328.052293][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8328.052293][   T10]      netdev_get_by_index+0x5e/0x80
[ 8328.052293][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8328.052293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8328.052293][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8328.052293][   T10]      ipv6_add_addr+0x411/0x2000
[ 8328.052293][   T10]      inet6_addr_add+0x30e/0xa40
[ 8328.052293][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8328.052293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.052293][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.052293][   T10]      netlink_unicast+0x449/0x710
[ 8328.052293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.052293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.052293][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.052293][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.052293][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.052293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.052293][   T10] 
[ 8328.054697][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8328.054697][   T10]      netdev_get_by_index+0x5e/0x80
[ 8328.054697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8328.054697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8328.054697][   T10]      ip6_route_add+0x1c/0x140
[ 8328.054697][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8328.054697][   T10]      addrconf_add_dev+0xe2/0x170
[ 8328.054697][   T10]      inet6_addr_add+0x12f/0xa40
[ 8328.054697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8328.054697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.054697][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.054697][   T10]      netlink_unicast+0x449/0x710
[ 8328.054697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.054697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.054697][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.054697][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.054697][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.054697][   T10] 
[ 8328.057061][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8328.057061][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8328.057061][   T10]      ipv6_find_idev+0x102/0x170
[ 8328.057061][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8328.057061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.057061][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.057061][   T10]      netlink_unicast+0x449/0x710
[ 8328.057061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.057061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.057061][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.057061][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.057061][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.057061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.057061][   T10] 
[ 8328.058904][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8328.058904][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8328.058904][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8328.058904][   T10]      ipv6_find_idev+0x102/0x170
[ 8328.058904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8328.058904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8328.058904][   T10]      netlink_rcv_skb+0x130/0x360
[ 8328.058904][   T10]      netlink_unicast+0x449/0x710
[ 8328.058904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8328.058904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8328.058904][   T10]      ___sys_sendmsg+0xee/0x170
[ 8328.058904][   T10]      __sys_sendmsg+0xcd/0x170
[ 8328.058904][   T10]      do_syscall_64+0xc6/0x1e0
[ 8328.058904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8328.058904][   T10] 
[ 8330.114859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8330.115429][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8330.115429][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8330.115429][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8330.115429][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8330.115429][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8330.115429][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8330.115429][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8330.115429][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8330.115429][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8330.115429][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8330.115429][ T1078]      netlink_unicast+0x449/0x710
[ 8330.115429][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8330.115429][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8330.115429][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8330.115429][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8330.115429][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8330.115429][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8330.115429][ T1078] 
[ 8330.117707][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8330.117707][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8330.117707][ T1078]      ipv6_find_idev+0x102/0x170
[ 8330.117707][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8330.117707][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8330.117707][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8330.117707][ T1078]      netlink_unicast+0x449/0x710
[ 8330.117707][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8330.117707][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8330.117707][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8330.117707][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8330.117707][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8330.117707][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8330.117707][ T1078] 
[ 8330.119469][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8330.119469][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8330.119469][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8330.119469][ T1078]      ipv6_find_idev+0x102/0x170
[ 8330.119469][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8330.119469][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8330.119469][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8330.119469][ T1078]      netlink_unicast+0x449/0x710
[ 8330.119469][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8330.119469][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8330.119469][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8330.119469][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8330.119469][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8330.119469][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8330.119469][ T1078] 
[ 8338.298882][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8338.299289][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8338.299289][   T10]      netdev_get_by_index+0x5e/0x80
[ 8338.299289][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8338.299289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8338.299289][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8338.299289][   T10]      ipv6_add_addr+0x411/0x2000
[ 8338.299289][   T10]      inet6_addr_add+0x30e/0xa40
[ 8338.299289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8338.299289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.299289][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.299289][   T10]      netlink_unicast+0x449/0x710
[ 8338.299289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.299289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.299289][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.299289][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.299289][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.299289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.299289][   T10] 
[ 8338.301303][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8338.301303][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8338.301303][   T10]      ipv6_find_idev+0x102/0x170
[ 8338.301303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8338.301303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.301303][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.301303][   T10]      netlink_unicast+0x449/0x710
[ 8338.301303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.301303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.301303][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.301303][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.301303][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.301303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.301303][   T10] 
[ 8338.302844][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8338.302844][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8338.302844][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8338.302844][   T10]      ipv6_find_idev+0x102/0x170
[ 8338.302844][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8338.302844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.302844][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.302844][   T10]      netlink_unicast+0x449/0x710
[ 8338.302844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.302844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.302844][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.302844][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.302844][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.302844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.302844][   T10] 
[ 8338.304529][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8338.304787][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8338.304787][   T10]      netdev_get_by_index+0x5e/0x80
[ 8338.304787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8338.304787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8338.304787][   T10]      ip6_route_add+0x1c/0x140
[ 8338.304787][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8338.304787][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8338.304787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8338.304787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.304787][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.304787][   T10]      netlink_unicast+0x449/0x710
[ 8338.304787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.304787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.304787][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.304787][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.304787][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.304787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.304787][   T10] 
[ 8338.306796][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8338.306796][   T10]      netdev_get_by_index+0x5e/0x80
[ 8338.306796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8338.306796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8338.306796][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8338.306796][   T10]      ipv6_add_addr+0x411/0x2000
[ 8338.306796][   T10]      inet6_addr_add+0x30e/0xa40
[ 8338.306796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8338.306796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.306796][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.306796][   T10]      netlink_unicast+0x449/0x710
[ 8338.306796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.306796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.306796][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.306796][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.306796][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.306796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.306796][   T10] 
[ 8338.308798][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8338.308798][   T10]      netdev_get_by_index+0x5e/0x80
[ 8338.308798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8338.308798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8338.308798][   T10]      ip6_route_add+0x1c/0x140
[ 8338.308798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8338.308798][   T10]      addrconf_add_dev+0xe2/0x170
[ 8338.308798][   T10]      inet6_addr_add+0x12f/0xa40
[ 8338.308798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8338.308798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.308798][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.308798][   T10]      netlink_unicast+0x449/0x710
[ 8338.308798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.308798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.308798][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.308798][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.308798][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.308798][   T10] 
[ 8338.310747][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8338.310747][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8338.310747][   T10]      ipv6_find_idev+0x102/0x170
[ 8338.310747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8338.310747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.310747][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.310747][   T10]      netlink_unicast+0x449/0x710
[ 8338.310747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.310747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.310747][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.310747][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.310747][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.310747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.310747][   T10] 
[ 8338.312273][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8338.312273][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8338.312273][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8338.312273][   T10]      ipv6_find_idev+0x102/0x170
[ 8338.312273][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8338.312273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8338.312273][   T10]      netlink_rcv_skb+0x130/0x360
[ 8338.312273][   T10]      netlink_unicast+0x449/0x710
[ 8338.312273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8338.312273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8338.312273][   T10]      ___sys_sendmsg+0xee/0x170
[ 8338.312273][   T10]      __sys_sendmsg+0xcd/0x170
[ 8338.312273][   T10]      do_syscall_64+0xc6/0x1e0
[ 8338.312273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8338.312273][   T10] 
[ 8340.362823][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8340.363324][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8340.363324][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8340.363324][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8340.363324][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8340.363324][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8340.363324][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8340.363324][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8340.363324][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8340.363324][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8340.363324][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8340.363324][ T1078]      netlink_unicast+0x449/0x710
[ 8340.363324][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8340.363324][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8340.363324][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8340.363324][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8340.363324][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8340.363324][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8340.363324][ T1078] 
[ 8340.365615][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8340.365615][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8340.365615][ T1078]      ipv6_find_idev+0x102/0x170
[ 8340.365615][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8340.365615][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8340.365615][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8340.365615][ T1078]      netlink_unicast+0x449/0x710
[ 8340.365615][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8340.365615][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8340.365615][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8340.365615][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8340.365615][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8340.365615][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8340.365615][ T1078] 
[ 8340.367345][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8340.367345][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8340.367345][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8340.367345][ T1078]      ipv6_find_idev+0x102/0x170
[ 8340.367345][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8340.367345][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8340.367345][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8340.367345][ T1078]      netlink_unicast+0x449/0x710
[ 8340.367345][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8340.367345][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8340.367345][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8340.367345][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8340.367345][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8340.367345][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8340.367345][ T1078] 
[ 8348.554853][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8348.555284][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8348.555284][   T10]      netdev_get_by_index+0x5e/0x80
[ 8348.555284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8348.555284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8348.555284][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8348.555284][   T10]      ipv6_add_addr+0x411/0x2000
[ 8348.555284][   T10]      inet6_addr_add+0x30e/0xa40
[ 8348.555284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8348.555284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.555284][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.555284][   T10]      netlink_unicast+0x449/0x710
[ 8348.555284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.555284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.555284][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.555284][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.555284][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.555284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.555284][   T10] 
[ 8348.557293][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8348.557293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8348.557293][   T10]      ipv6_find_idev+0x102/0x170
[ 8348.557293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8348.557293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.557293][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.557293][   T10]      netlink_unicast+0x449/0x710
[ 8348.557293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.557293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.557293][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.557293][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.557293][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.557293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.557293][   T10] 
[ 8348.558830][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8348.558830][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8348.558830][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8348.558830][   T10]      ipv6_find_idev+0x102/0x170
[ 8348.558830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8348.558830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.558830][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.558830][   T10]      netlink_unicast+0x449/0x710
[ 8348.558830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.558830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.558830][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.558830][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.558830][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.558830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.558830][   T10] 
[ 8348.561027][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8348.561273][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8348.561273][   T10]      netdev_get_by_index+0x5e/0x80
[ 8348.561273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8348.561273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8348.561273][   T10]      ip6_route_add+0x1c/0x140
[ 8348.561273][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8348.561273][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8348.561273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8348.561273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.561273][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.561273][   T10]      netlink_unicast+0x449/0x710
[ 8348.561273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.561273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.561273][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.561273][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.561273][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.561273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.561273][   T10] 
[ 8348.563268][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8348.563268][   T10]      netdev_get_by_index+0x5e/0x80
[ 8348.563268][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8348.563268][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8348.563268][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8348.563268][   T10]      ipv6_add_addr+0x411/0x2000
[ 8348.563268][   T10]      inet6_addr_add+0x30e/0xa40
[ 8348.563268][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8348.563268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.563268][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.563268][   T10]      netlink_unicast+0x449/0x710
[ 8348.563268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.563268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.563268][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.563268][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.563268][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.563268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.563268][   T10] 
[ 8348.565261][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8348.565261][   T10]      netdev_get_by_index+0x5e/0x80
[ 8348.565261][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8348.565261][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8348.565261][   T10]      ip6_route_add+0x1c/0x140
[ 8348.565261][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8348.565261][   T10]      addrconf_add_dev+0xe2/0x170
[ 8348.565261][   T10]      inet6_addr_add+0x12f/0xa40
[ 8348.565261][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8348.565261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.565261][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.565261][   T10]      netlink_unicast+0x449/0x710
[ 8348.565261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.565261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.565261][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.565261][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.565261][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.565261][   T10] 
[ 8348.567208][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8348.567208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8348.567208][   T10]      ipv6_find_idev+0x102/0x170
[ 8348.567208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8348.567208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.567208][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.567208][   T10]      netlink_unicast+0x449/0x710
[ 8348.567208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.567208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.567208][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.567208][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.567208][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.567208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.567208][   T10] 
[ 8348.568737][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8348.568737][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8348.568737][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8348.568737][   T10]      ipv6_find_idev+0x102/0x170
[ 8348.568737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8348.568737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8348.568737][   T10]      netlink_rcv_skb+0x130/0x360
[ 8348.568737][   T10]      netlink_unicast+0x449/0x710
[ 8348.568737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8348.568737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8348.568737][   T10]      ___sys_sendmsg+0xee/0x170
[ 8348.568737][   T10]      __sys_sendmsg+0xcd/0x170
[ 8348.568737][   T10]      do_syscall_64+0xc6/0x1e0
[ 8348.568737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8348.568737][   T10] 
[ 8350.610953][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8350.611497][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8350.611497][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8350.611497][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8350.611497][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8350.611497][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8350.611497][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8350.611497][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8350.611497][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8350.611497][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8350.611497][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8350.611497][ T1078]      netlink_unicast+0x449/0x710
[ 8350.611497][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8350.611497][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8350.611497][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8350.611497][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8350.611497][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8350.611497][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8350.611497][ T1078] 
[ 8350.613821][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8350.613821][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8350.613821][ T1078]      ipv6_find_idev+0x102/0x170
[ 8350.613821][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8350.613821][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8350.613821][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8350.613821][ T1078]      netlink_unicast+0x449/0x710
[ 8350.613821][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8350.613821][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8350.613821][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8350.613821][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8350.613821][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8350.613821][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8350.613821][ T1078] 
[ 8350.615588][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8350.615588][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8350.615588][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8350.615588][ T1078]      ipv6_find_idev+0x102/0x170
[ 8350.615588][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8350.615588][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8350.615588][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8350.615588][ T1078]      netlink_unicast+0x449/0x710
[ 8350.615588][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8350.615588][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8350.615588][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8350.615588][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8350.615588][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8350.615588][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8350.615588][ T1078] 
[ 8357.162920][   T42] INFO: task modprobe:1347 blocked for more than 983 seconds.
[ 8357.163260][   T42]       Not tainted 6.8.0-virtme #1
[ 8357.163377][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 8357.163581][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 8357.163859][   T42] Call Trace:
[ 8357.163955][   T42]  <TASK>
[ 8357.164026][   T42]  __schedule+0x705/0x1ac0
[ 8357.164158][   T42]  ? __pfx___schedule+0x10/0x10
[ 8357.164282][   T42]  ? schedule+0x1a5/0x210
[ 8357.164382][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8357.164514][   T42]  ? mark_lock+0x38/0x3e0
[ 8357.164611][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 8357.164751][   T42]  ? schedule+0x1a5/0x210
[ 8357.164850][   T42]  schedule+0xdf/0x210
[ 8357.164945][   T42]  schedule_preempt_disabled+0x15/0x30
[ 8357.165075][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 8357.165212][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 8357.165367][   T42]  ? kasan_save_stack+0x34/0x50
[ 8357.165491][   T42]  ? kasan_save_stack+0x24/0x50
[ 8357.165618][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8357.165760][   T42]  ? lock_acquire+0x1c1/0x220
[ 8357.165883][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 8357.166013][   T42]  down_write+0x1c9/0x200
[ 8357.166111][   T42]  ? __pfx_down_write+0x10/0x10
[ 8357.166243][   T42]  ? __pfx___lock_release+0x10/0x10
[ 8357.166371][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 8357.166713][   T42]  register_pernet_subsys+0x1a/0x50
[ 8357.166840][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 8357.167033][   T42]  do_one_initcall+0xc8/0x3f0
[ 8357.167160][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 8357.167299][   T42]  ? __create_object+0x5e/0xb0
[ 8357.167436][   T42]  ? kasan_unpoison+0x27/0x60
[ 8357.167561][   T42]  do_init_module+0x233/0x740
[ 8357.167732][   T42]  load_module+0x16b5/0x2350
[ 8357.167870][   T42]  ? __pfx_load_module+0x10/0x10
[ 8357.167998][   T42]  ? kernel_read_file+0x3d2/0x520
[ 8357.168126][   T42]  ? kernel_read_file+0x300/0x520
[ 8357.168256][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 8357.168387][   T42]  ? init_module_from_file+0xd2/0x130
[ 8357.168510][   T42]  init_module_from_file+0xd2/0x130
[ 8357.168633][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 8357.168802][   T42]  ? __lock_release+0x103/0x460
[ 8357.168925][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8357.169060][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8357.169184][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 8357.169311][   T42]  idempotent_init_module+0x342/0x620
[ 8357.169442][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 8357.169616][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 8357.169750][   T42]  do_syscall_64+0xc6/0x1e0
[ 8357.169879][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8357.170035][   T42] RIP: 0033:0x7f688a3aae5d
[ 8357.170161][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 8357.170352][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 8357.170534][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 8357.170736][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 8357.170919][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 8357.171101][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 8357.171309][   T42]  </TASK>
[ 8357.171400][   T42] 
[ 8357.171400][   T42] Showing all locks held in the system:
[ 8357.171570][   T42] 3 locks held by kworker/u16:0/10:
[ 8357.171720][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8357.171971][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8357.172192][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 8357.172408][   T42] 1 lock held by khungtaskd/42:
[ 8357.172528][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 8357.172755][   T42] 2 locks held by kworker/u19:1/60:
[ 8357.172878][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8357.173124][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8357.173398][   T42] 1 lock held by modprobe/1347:
[ 8357.173515][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 8357.173781][   T42] 
[ 8357.173845][   T42] =============================================
[ 8357.173845][   T42] 
[ 8358.810844][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8358.811273][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8358.811273][   T10]      netdev_get_by_index+0x5e/0x80
[ 8358.811273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8358.811273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8358.811273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8358.811273][   T10]      ipv6_add_addr+0x411/0x2000
[ 8358.811273][   T10]      inet6_addr_add+0x30e/0xa40
[ 8358.811273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8358.811273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.811273][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.811273][   T10]      netlink_unicast+0x449/0x710
[ 8358.811273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.811273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.811273][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.811273][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.811273][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.811273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.811273][   T10] 
[ 8358.813424][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8358.813424][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8358.813424][   T10]      ipv6_find_idev+0x102/0x170
[ 8358.813424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8358.813424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.813424][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.813424][   T10]      netlink_unicast+0x449/0x710
[ 8358.813424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.813424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.813424][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.813424][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.813424][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.813424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.813424][   T10] 
[ 8358.814963][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8358.814963][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8358.814963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8358.814963][   T10]      ipv6_find_idev+0x102/0x170
[ 8358.814963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8358.814963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.814963][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.814963][   T10]      netlink_unicast+0x449/0x710
[ 8358.814963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.814963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.814963][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.814963][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.814963][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.814963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.814963][   T10] 
[ 8358.816651][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8358.816913][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8358.816913][   T10]      netdev_get_by_index+0x5e/0x80
[ 8358.816913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8358.816913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8358.816913][   T10]      ip6_route_add+0x1c/0x140
[ 8358.816913][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8358.816913][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8358.816913][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8358.816913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.816913][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.816913][   T10]      netlink_unicast+0x449/0x710
[ 8358.816913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.816913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.816913][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.816913][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.816913][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.816913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.816913][   T10] 
[ 8358.818907][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8358.818907][   T10]      netdev_get_by_index+0x5e/0x80
[ 8358.818907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8358.818907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8358.818907][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8358.818907][   T10]      ipv6_add_addr+0x411/0x2000
[ 8358.818907][   T10]      inet6_addr_add+0x30e/0xa40
[ 8358.818907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8358.818907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.818907][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.818907][   T10]      netlink_unicast+0x449/0x710
[ 8358.818907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.818907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.818907][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.818907][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.818907][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.818907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.818907][   T10] 
[ 8358.820902][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8358.820902][   T10]      netdev_get_by_index+0x5e/0x80
[ 8358.820902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8358.820902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8358.820902][   T10]      ip6_route_add+0x1c/0x140
[ 8358.820902][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8358.820902][   T10]      addrconf_add_dev+0xe2/0x170
[ 8358.820902][   T10]      inet6_addr_add+0x12f/0xa40
[ 8358.820902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8358.820902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.820902][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.820902][   T10]      netlink_unicast+0x449/0x710
[ 8358.820902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.820902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.820902][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.820902][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.820902][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.820902][   T10] 
[ 8358.822854][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8358.822854][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8358.822854][   T10]      ipv6_find_idev+0x102/0x170
[ 8358.822854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8358.822854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.822854][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.822854][   T10]      netlink_unicast+0x449/0x710
[ 8358.822854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.822854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.822854][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.822854][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.822854][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.822854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.822854][   T10] 
[ 8358.824404][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8358.824404][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8358.824404][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8358.824404][   T10]      ipv6_find_idev+0x102/0x170
[ 8358.824404][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8358.824404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8358.824404][   T10]      netlink_rcv_skb+0x130/0x360
[ 8358.824404][   T10]      netlink_unicast+0x449/0x710
[ 8358.824404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8358.824404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8358.824404][   T10]      ___sys_sendmsg+0xee/0x170
[ 8358.824404][   T10]      __sys_sendmsg+0xcd/0x170
[ 8358.824404][   T10]      do_syscall_64+0xc6/0x1e0
[ 8358.824404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8358.824404][   T10] 
[ 8360.858859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8360.859980][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8360.859980][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8360.859980][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8360.859980][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8360.859980][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8360.859980][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8360.859980][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8360.859980][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8360.859980][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8360.859980][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8360.859980][ T1078]      netlink_unicast+0x449/0x710
[ 8360.859980][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8360.859980][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8360.859980][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8360.859980][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8360.859980][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8360.859980][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8360.859980][ T1078] 
[ 8360.862624][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8360.862624][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8360.862624][ T1078]      ipv6_find_idev+0x102/0x170
[ 8360.862624][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8360.862624][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8360.862624][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8360.862624][ T1078]      netlink_unicast+0x449/0x710
[ 8360.862624][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8360.862624][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8360.862624][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8360.862624][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8360.862624][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8360.862624][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8360.862624][ T1078] 
[ 8360.864379][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8360.864379][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8360.864379][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8360.864379][ T1078]      ipv6_find_idev+0x102/0x170
[ 8360.864379][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8360.864379][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8360.864379][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8360.864379][ T1078]      netlink_unicast+0x449/0x710
[ 8360.864379][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8360.864379][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8360.864379][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8360.864379][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8360.864379][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8360.864379][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8360.864379][ T1078] 
[ 8368.938865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8368.939329][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8368.939329][   T10]      netdev_get_by_index+0x5e/0x80
[ 8368.939329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8368.939329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8368.939329][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8368.939329][   T10]      ipv6_add_addr+0x411/0x2000
[ 8368.939329][   T10]      inet6_addr_add+0x30e/0xa40
[ 8368.939329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8368.939329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.939329][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.939329][   T10]      netlink_unicast+0x449/0x710
[ 8368.939329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.939329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.939329][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.939329][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.939329][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.939329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.939329][   T10] 
[ 8368.941358][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8368.941358][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8368.941358][   T10]      ipv6_find_idev+0x102/0x170
[ 8368.941358][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8368.941358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.941358][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.941358][   T10]      netlink_unicast+0x449/0x710
[ 8368.941358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.941358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.941358][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.941358][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.941358][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.941358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.941358][   T10] 
[ 8368.942902][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8368.942902][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8368.942902][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8368.942902][   T10]      ipv6_find_idev+0x102/0x170
[ 8368.942902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8368.942902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.942902][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.942902][   T10]      netlink_unicast+0x449/0x710
[ 8368.942902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.942902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.942902][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.942902][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.942902][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.942902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.942902][   T10] 
[ 8368.944703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8368.944942][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8368.944942][   T10]      netdev_get_by_index+0x5e/0x80
[ 8368.944942][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8368.944942][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8368.944942][   T10]      ip6_route_add+0x1c/0x140
[ 8368.944942][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8368.944942][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8368.944942][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8368.944942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.944942][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.944942][   T10]      netlink_unicast+0x449/0x710
[ 8368.944942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.944942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.944942][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.944942][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.944942][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.944942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.944942][   T10] 
[ 8368.946978][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8368.946978][   T10]      netdev_get_by_index+0x5e/0x80
[ 8368.946978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8368.946978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8368.946978][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8368.946978][   T10]      ipv6_add_addr+0x411/0x2000
[ 8368.946978][   T10]      inet6_addr_add+0x30e/0xa40
[ 8368.946978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8368.946978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.946978][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.946978][   T10]      netlink_unicast+0x449/0x710
[ 8368.946978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.946978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.946978][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.946978][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.946978][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.946978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.946978][   T10] 
[ 8368.948982][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8368.948982][   T10]      netdev_get_by_index+0x5e/0x80
[ 8368.948982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8368.948982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8368.948982][   T10]      ip6_route_add+0x1c/0x140
[ 8368.948982][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8368.948982][   T10]      addrconf_add_dev+0xe2/0x170
[ 8368.948982][   T10]      inet6_addr_add+0x12f/0xa40
[ 8368.948982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8368.948982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.948982][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.948982][   T10]      netlink_unicast+0x449/0x710
[ 8368.948982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.948982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.948982][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.948982][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.948982][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.948982][   T10] 
[ 8368.950940][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8368.950940][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8368.950940][   T10]      ipv6_find_idev+0x102/0x170
[ 8368.950940][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8368.950940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.950940][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.950940][   T10]      netlink_unicast+0x449/0x710
[ 8368.950940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.950940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.950940][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.950940][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.950940][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.950940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.950940][   T10] 
[ 8368.952502][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8368.952502][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8368.952502][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8368.952502][   T10]      ipv6_find_idev+0x102/0x170
[ 8368.952502][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8368.952502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8368.952502][   T10]      netlink_rcv_skb+0x130/0x360
[ 8368.952502][   T10]      netlink_unicast+0x449/0x710
[ 8368.952502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8368.952502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8368.952502][   T10]      ___sys_sendmsg+0xee/0x170
[ 8368.952502][   T10]      __sys_sendmsg+0xcd/0x170
[ 8368.952502][   T10]      do_syscall_64+0xc6/0x1e0
[ 8368.952502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8368.952502][   T10] 
[ 8370.986867][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8370.987547][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8370.987547][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8370.987547][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8370.987547][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8370.987547][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8370.987547][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8370.987547][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8370.987547][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8370.987547][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8370.987547][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8370.987547][ T1078]      netlink_unicast+0x449/0x710
[ 8370.987547][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8370.987547][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8370.987547][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8370.987547][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8370.987547][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8370.987547][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8370.987547][ T1078] 
[ 8370.989881][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8370.989881][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8370.989881][ T1078]      ipv6_find_idev+0x102/0x170
[ 8370.989881][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8370.989881][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8370.989881][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8370.989881][ T1078]      netlink_unicast+0x449/0x710
[ 8370.989881][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8370.989881][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8370.989881][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8370.989881][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8370.989881][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8370.989881][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8370.989881][ T1078] 
[ 8370.991645][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8370.991645][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8370.991645][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8370.991645][ T1078]      ipv6_find_idev+0x102/0x170
[ 8370.991645][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8370.991645][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8370.991645][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8370.991645][ T1078]      netlink_unicast+0x449/0x710
[ 8370.991645][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8370.991645][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8370.991645][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8370.991645][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8370.991645][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8370.991645][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8370.991645][ T1078] 
[ 8379.202820][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8379.203252][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8379.203252][   T10]      netdev_get_by_index+0x5e/0x80
[ 8379.203252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8379.203252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8379.203252][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8379.203252][   T10]      ipv6_add_addr+0x411/0x2000
[ 8379.203252][   T10]      inet6_addr_add+0x30e/0xa40
[ 8379.203252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8379.203252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.203252][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.203252][   T10]      netlink_unicast+0x449/0x710
[ 8379.203252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.203252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.203252][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.203252][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.203252][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.203252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.203252][   T10] 
[ 8379.205302][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8379.205302][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8379.205302][   T10]      ipv6_find_idev+0x102/0x170
[ 8379.205302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8379.205302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.205302][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.205302][   T10]      netlink_unicast+0x449/0x710
[ 8379.205302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.205302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.205302][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.205302][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.205302][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.205302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.205302][   T10] 
[ 8379.206862][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8379.206862][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8379.206862][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8379.206862][   T10]      ipv6_find_idev+0x102/0x170
[ 8379.206862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8379.206862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.206862][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.206862][   T10]      netlink_unicast+0x449/0x710
[ 8379.206862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.206862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.206862][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.206862][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.206862][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.206862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.206862][   T10] 
[ 8379.208552][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8379.208804][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8379.208804][   T10]      netdev_get_by_index+0x5e/0x80
[ 8379.208804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8379.208804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8379.208804][   T10]      ip6_route_add+0x1c/0x140
[ 8379.208804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8379.208804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8379.208804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8379.208804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.208804][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.208804][   T10]      netlink_unicast+0x449/0x710
[ 8379.208804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.208804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.208804][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.208804][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.208804][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.208804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.208804][   T10] 
[ 8379.210809][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8379.210809][   T10]      netdev_get_by_index+0x5e/0x80
[ 8379.210809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8379.210809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8379.210809][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8379.210809][   T10]      ipv6_add_addr+0x411/0x2000
[ 8379.210809][   T10]      inet6_addr_add+0x30e/0xa40
[ 8379.210809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8379.210809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.210809][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.210809][   T10]      netlink_unicast+0x449/0x710
[ 8379.210809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.210809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.210809][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.210809][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.210809][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.210809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.210809][   T10] 
[ 8379.212812][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8379.212812][   T10]      netdev_get_by_index+0x5e/0x80
[ 8379.212812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8379.212812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8379.212812][   T10]      ip6_route_add+0x1c/0x140
[ 8379.212812][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8379.212812][   T10]      addrconf_add_dev+0xe2/0x170
[ 8379.212812][   T10]      inet6_addr_add+0x12f/0xa40
[ 8379.212812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8379.212812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.212812][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.212812][   T10]      netlink_unicast+0x449/0x710
[ 8379.212812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.212812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.212812][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.212812][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.212812][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.212812][   T10] 
[ 8379.214784][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8379.214784][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8379.214784][   T10]      ipv6_find_idev+0x102/0x170
[ 8379.214784][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8379.214784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.214784][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.214784][   T10]      netlink_unicast+0x449/0x710
[ 8379.214784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.214784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.214784][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.214784][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.214784][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.214784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.214784][   T10] 
[ 8379.216335][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8379.216335][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8379.216335][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8379.216335][   T10]      ipv6_find_idev+0x102/0x170
[ 8379.216335][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8379.216335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8379.216335][   T10]      netlink_rcv_skb+0x130/0x360
[ 8379.216335][   T10]      netlink_unicast+0x449/0x710
[ 8379.216335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8379.216335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8379.216335][   T10]      ___sys_sendmsg+0xee/0x170
[ 8379.216335][   T10]      __sys_sendmsg+0xcd/0x170
[ 8379.216335][   T10]      do_syscall_64+0xc6/0x1e0
[ 8379.216335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8379.216335][   T10] 
[ 8381.234890][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8381.235409][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8381.235409][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8381.235409][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8381.235409][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8381.235409][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8381.235409][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8381.235409][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8381.235409][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8381.235409][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8381.235409][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8381.235409][ T1078]      netlink_unicast+0x449/0x710
[ 8381.235409][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8381.235409][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8381.235409][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8381.235409][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8381.235409][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8381.235409][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8381.235409][ T1078] 
[ 8381.237707][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8381.237707][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8381.237707][ T1078]      ipv6_find_idev+0x102/0x170
[ 8381.237707][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8381.237707][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8381.237707][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8381.237707][ T1078]      netlink_unicast+0x449/0x710
[ 8381.237707][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8381.237707][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8381.237707][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8381.237707][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8381.237707][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8381.237707][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8381.237707][ T1078] 
[ 8381.239477][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8381.239477][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8381.239477][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8381.239477][ T1078]      ipv6_find_idev+0x102/0x170
[ 8381.239477][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8381.239477][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8381.239477][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8381.239477][ T1078]      netlink_unicast+0x449/0x710
[ 8381.239477][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8381.239477][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8381.239477][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8381.239477][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8381.239477][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8381.239477][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8381.239477][ T1078] 
[ 8389.466883][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8389.467405][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8389.467405][   T10]      netdev_get_by_index+0x5e/0x80
[ 8389.467405][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8389.467405][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8389.467405][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8389.467405][   T10]      ipv6_add_addr+0x411/0x2000
[ 8389.467405][   T10]      inet6_addr_add+0x30e/0xa40
[ 8389.467405][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8389.467405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.467405][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.467405][   T10]      netlink_unicast+0x449/0x710
[ 8389.467405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.467405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.467405][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.467405][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.467405][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.467405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.467405][   T10] 
[ 8389.469448][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8389.469448][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8389.469448][   T10]      ipv6_find_idev+0x102/0x170
[ 8389.469448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8389.469448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.469448][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.469448][   T10]      netlink_unicast+0x449/0x710
[ 8389.469448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.469448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.469448][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.469448][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.469448][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.469448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.469448][   T10] 
[ 8389.471006][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8389.471006][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8389.471006][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8389.471006][   T10]      ipv6_find_idev+0x102/0x170
[ 8389.471006][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8389.471006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.471006][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.471006][   T10]      netlink_unicast+0x449/0x710
[ 8389.471006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.471006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.471006][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.471006][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.471006][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.471006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.471006][   T10] 
[ 8389.472719][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8389.472962][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8389.472962][   T10]      netdev_get_by_index+0x5e/0x80
[ 8389.472962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8389.472962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8389.472962][   T10]      ip6_route_add+0x1c/0x140
[ 8389.472962][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8389.472962][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8389.472962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8389.472962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.472962][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.472962][   T10]      netlink_unicast+0x449/0x710
[ 8389.472962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.472962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.472962][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.472962][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.472962][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.472962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.472962][   T10] 
[ 8389.475485][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8389.475485][   T10]      netdev_get_by_index+0x5e/0x80
[ 8389.475485][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8389.475485][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8389.475485][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8389.475485][   T10]      ipv6_add_addr+0x411/0x2000
[ 8389.475485][   T10]      inet6_addr_add+0x30e/0xa40
[ 8389.475485][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8389.475485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.475485][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.475485][   T10]      netlink_unicast+0x449/0x710
[ 8389.475485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.475485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.475485][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.475485][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.475485][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.475485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.475485][   T10] 
[ 8389.477486][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8389.477486][   T10]      netdev_get_by_index+0x5e/0x80
[ 8389.477486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8389.477486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8389.477486][   T10]      ip6_route_add+0x1c/0x140
[ 8389.477486][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8389.477486][   T10]      addrconf_add_dev+0xe2/0x170
[ 8389.477486][   T10]      inet6_addr_add+0x12f/0xa40
[ 8389.477486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8389.477486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.477486][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.477486][   T10]      netlink_unicast+0x449/0x710
[ 8389.477486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.477486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.477486][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.477486][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.477486][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.477486][   T10] 
[ 8389.479453][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8389.479453][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8389.479453][   T10]      ipv6_find_idev+0x102/0x170
[ 8389.479453][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8389.479453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.479453][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.479453][   T10]      netlink_unicast+0x449/0x710
[ 8389.479453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.479453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.479453][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.479453][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.479453][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.479453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.479453][   T10] 
[ 8389.480998][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8389.480998][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8389.480998][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8389.480998][   T10]      ipv6_find_idev+0x102/0x170
[ 8389.480998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8389.480998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8389.480998][   T10]      netlink_rcv_skb+0x130/0x360
[ 8389.480998][   T10]      netlink_unicast+0x449/0x710
[ 8389.480998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8389.480998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8389.480998][   T10]      ___sys_sendmsg+0xee/0x170
[ 8389.480998][   T10]      __sys_sendmsg+0xcd/0x170
[ 8389.480998][   T10]      do_syscall_64+0xc6/0x1e0
[ 8389.480998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8389.480998][   T10] 
[ 8391.482736][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8391.483178][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8391.483178][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8391.483178][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8391.483178][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8391.483178][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8391.483178][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8391.483178][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8391.483178][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8391.483178][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8391.483178][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8391.483178][ T1078]      netlink_unicast+0x449/0x710
[ 8391.483178][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8391.483178][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8391.483178][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8391.483178][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8391.483178][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8391.483178][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8391.483178][ T1078] 
[ 8391.485469][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8391.485469][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8391.485469][ T1078]      ipv6_find_idev+0x102/0x170
[ 8391.485469][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8391.485469][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8391.485469][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8391.485469][ T1078]      netlink_unicast+0x449/0x710
[ 8391.485469][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8391.485469][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8391.485469][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8391.485469][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8391.485469][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8391.485469][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8391.485469][ T1078] 
[ 8391.487229][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8391.487229][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8391.487229][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8391.487229][ T1078]      ipv6_find_idev+0x102/0x170
[ 8391.487229][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8391.487229][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8391.487229][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8391.487229][ T1078]      netlink_unicast+0x449/0x710
[ 8391.487229][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8391.487229][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8391.487229][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8391.487229][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8391.487229][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8391.487229][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8391.487229][ T1078] 
[ 8399.666990][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8399.667356][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8399.667356][   T10]      netdev_get_by_index+0x5e/0x80
[ 8399.667356][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8399.667356][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8399.667356][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8399.667356][   T10]      ipv6_add_addr+0x411/0x2000
[ 8399.667356][   T10]      inet6_addr_add+0x30e/0xa40
[ 8399.667356][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8399.667356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.667356][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.667356][   T10]      netlink_unicast+0x449/0x710
[ 8399.667356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.667356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.667356][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.667356][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.667356][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.667356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.667356][   T10] 
[ 8399.669416][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8399.669416][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8399.669416][   T10]      ipv6_find_idev+0x102/0x170
[ 8399.669416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8399.669416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.669416][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.669416][   T10]      netlink_unicast+0x449/0x710
[ 8399.669416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.669416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.669416][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.669416][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.669416][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.669416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.669416][   T10] 
[ 8399.671002][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8399.671002][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8399.671002][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8399.671002][   T10]      ipv6_find_idev+0x102/0x170
[ 8399.671002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8399.671002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.671002][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.671002][   T10]      netlink_unicast+0x449/0x710
[ 8399.671002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.671002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.671002][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.671002][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.671002][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.671002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.671002][   T10] 
[ 8399.672728][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8399.672972][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8399.672972][   T10]      netdev_get_by_index+0x5e/0x80
[ 8399.672972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8399.672972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8399.672972][   T10]      ip6_route_add+0x1c/0x140
[ 8399.672972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8399.672972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8399.672972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8399.672972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.672972][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.672972][   T10]      netlink_unicast+0x449/0x710
[ 8399.672972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.672972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.672972][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.672972][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.672972][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.672972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.672972][   T10] 
[ 8399.675022][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8399.675022][   T10]      netdev_get_by_index+0x5e/0x80
[ 8399.675022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8399.675022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8399.675022][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8399.675022][   T10]      ipv6_add_addr+0x411/0x2000
[ 8399.675022][   T10]      inet6_addr_add+0x30e/0xa40
[ 8399.675022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8399.675022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.675022][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.675022][   T10]      netlink_unicast+0x449/0x710
[ 8399.675022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.675022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.675022][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.675022][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.675022][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.675022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.675022][   T10] 
[ 8399.677039][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8399.677039][   T10]      netdev_get_by_index+0x5e/0x80
[ 8399.677039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8399.677039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8399.677039][   T10]      ip6_route_add+0x1c/0x140
[ 8399.677039][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8399.677039][   T10]      addrconf_add_dev+0xe2/0x170
[ 8399.677039][   T10]      inet6_addr_add+0x12f/0xa40
[ 8399.677039][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8399.677039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.677039][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.677039][   T10]      netlink_unicast+0x449/0x710
[ 8399.677039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.677039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.677039][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.677039][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.677039][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.677039][   T10] 
[ 8399.679002][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8399.679002][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8399.679002][   T10]      ipv6_find_idev+0x102/0x170
[ 8399.679002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8399.679002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.679002][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.679002][   T10]      netlink_unicast+0x449/0x710
[ 8399.679002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.679002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.679002][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.679002][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.679002][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.679002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.679002][   T10] 
[ 8399.680549][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8399.680549][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8399.680549][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8399.680549][   T10]      ipv6_find_idev+0x102/0x170
[ 8399.680549][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8399.680549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8399.680549][   T10]      netlink_rcv_skb+0x130/0x360
[ 8399.680549][   T10]      netlink_unicast+0x449/0x710
[ 8399.680549][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8399.680549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8399.680549][   T10]      ___sys_sendmsg+0xee/0x170
[ 8399.680549][   T10]      __sys_sendmsg+0xcd/0x170
[ 8399.680549][   T10]      do_syscall_64+0xc6/0x1e0
[ 8399.680549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8399.680549][   T10] 
[ 8401.714895][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8401.715403][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8401.715403][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8401.715403][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8401.715403][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8401.715403][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8401.715403][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8401.715403][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8401.715403][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8401.715403][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8401.715403][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8401.715403][ T1078]      netlink_unicast+0x449/0x710
[ 8401.715403][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8401.715403][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8401.715403][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8401.715403][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8401.715403][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8401.715403][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8401.715403][ T1078] 
[ 8401.717672][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8401.717672][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8401.717672][ T1078]      ipv6_find_idev+0x102/0x170
[ 8401.717672][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8401.717672][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8401.717672][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8401.717672][ T1078]      netlink_unicast+0x449/0x710
[ 8401.717672][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8401.717672][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8401.717672][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8401.717672][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8401.717672][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8401.717672][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8401.717672][ T1078] 
[ 8401.719413][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8401.719413][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8401.719413][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8401.719413][ T1078]      ipv6_find_idev+0x102/0x170
[ 8401.719413][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8401.719413][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8401.719413][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8401.719413][ T1078]      netlink_unicast+0x449/0x710
[ 8401.719413][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8401.719413][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8401.719413][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8401.719413][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8401.719413][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8401.719413][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8401.719413][ T1078] 
[ 8409.898884][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8409.899378][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8409.899378][   T10]      netdev_get_by_index+0x5e/0x80
[ 8409.899378][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8409.899378][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8409.899378][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8409.899378][   T10]      ipv6_add_addr+0x411/0x2000
[ 8409.899378][   T10]      inet6_addr_add+0x30e/0xa40
[ 8409.899378][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8409.899378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.899378][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.899378][   T10]      netlink_unicast+0x449/0x710
[ 8409.899378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.899378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.899378][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.899378][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.899378][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.899378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.899378][   T10] 
[ 8409.901440][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8409.901440][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8409.901440][   T10]      ipv6_find_idev+0x102/0x170
[ 8409.901440][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8409.901440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.901440][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.901440][   T10]      netlink_unicast+0x449/0x710
[ 8409.901440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.901440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.901440][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.901440][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.901440][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.901440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.901440][   T10] 
[ 8409.902995][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8409.902995][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8409.902995][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8409.902995][   T10]      ipv6_find_idev+0x102/0x170
[ 8409.902995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8409.902995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.902995][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.902995][   T10]      netlink_unicast+0x449/0x710
[ 8409.902995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.902995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.902995][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.902995][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.902995][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.902995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.902995][   T10] 
[ 8409.904709][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8409.904968][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8409.904968][   T10]      netdev_get_by_index+0x5e/0x80
[ 8409.904968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8409.904968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8409.904968][   T10]      ip6_route_add+0x1c/0x140
[ 8409.904968][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8409.904968][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8409.904968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8409.904968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.904968][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.904968][   T10]      netlink_unicast+0x449/0x710
[ 8409.904968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.904968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.904968][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.904968][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.904968][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.904968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.904968][   T10] 
[ 8409.906989][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8409.906989][   T10]      netdev_get_by_index+0x5e/0x80
[ 8409.906989][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8409.906989][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8409.906989][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8409.906989][   T10]      ipv6_add_addr+0x411/0x2000
[ 8409.906989][   T10]      inet6_addr_add+0x30e/0xa40
[ 8409.906989][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8409.906989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.906989][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.906989][   T10]      netlink_unicast+0x449/0x710
[ 8409.906989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.906989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.906989][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.906989][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.906989][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.906989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.906989][   T10] 
[ 8409.908988][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8409.908988][   T10]      netdev_get_by_index+0x5e/0x80
[ 8409.908988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8409.908988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8409.908988][   T10]      ip6_route_add+0x1c/0x140
[ 8409.908988][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8409.908988][   T10]      addrconf_add_dev+0xe2/0x170
[ 8409.908988][   T10]      inet6_addr_add+0x12f/0xa40
[ 8409.908988][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8409.908988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.908988][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.908988][   T10]      netlink_unicast+0x449/0x710
[ 8409.908988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.908988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.908988][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.908988][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.908988][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.908988][   T10] 
[ 8409.911053][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8409.911053][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8409.911053][   T10]      ipv6_find_idev+0x102/0x170
[ 8409.911053][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8409.911053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.911053][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.911053][   T10]      netlink_unicast+0x449/0x710
[ 8409.911053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.911053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.911053][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.911053][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.911053][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.911053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.911053][   T10] 
[ 8409.912581][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8409.912581][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8409.912581][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8409.912581][   T10]      ipv6_find_idev+0x102/0x170
[ 8409.912581][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8409.912581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8409.912581][   T10]      netlink_rcv_skb+0x130/0x360
[ 8409.912581][   T10]      netlink_unicast+0x449/0x710
[ 8409.912581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8409.912581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8409.912581][   T10]      ___sys_sendmsg+0xee/0x170
[ 8409.912581][   T10]      __sys_sendmsg+0xcd/0x170
[ 8409.912581][   T10]      do_syscall_64+0xc6/0x1e0
[ 8409.912581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8409.912581][   T10] 
[ 8411.962830][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8411.963304][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8411.963304][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8411.963304][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8411.963304][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8411.963304][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8411.963304][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8411.963304][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8411.963304][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8411.963304][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8411.963304][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8411.963304][ T1078]      netlink_unicast+0x449/0x710
[ 8411.963304][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8411.963304][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8411.963304][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8411.963304][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8411.963304][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8411.963304][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8411.963304][ T1078] 
[ 8411.965584][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8411.965584][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8411.965584][ T1078]      ipv6_find_idev+0x102/0x170
[ 8411.965584][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8411.965584][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8411.965584][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8411.965584][ T1078]      netlink_unicast+0x449/0x710
[ 8411.965584][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8411.965584][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8411.965584][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8411.965584][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8411.965584][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8411.965584][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8411.965584][ T1078] 
[ 8411.967315][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8411.967315][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8411.967315][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8411.967315][ T1078]      ipv6_find_idev+0x102/0x170
[ 8411.967315][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8411.967315][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8411.967315][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8411.967315][ T1078]      netlink_unicast+0x449/0x710
[ 8411.967315][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8411.967315][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8411.967315][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8411.967315][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8411.967315][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8411.967315][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8411.967315][ T1078] 
[ 8420.154840][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8420.155206][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8420.155206][   T10]      netdev_get_by_index+0x5e/0x80
[ 8420.155206][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8420.155206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8420.155206][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8420.155206][   T10]      ipv6_add_addr+0x411/0x2000
[ 8420.155206][   T10]      inet6_addr_add+0x30e/0xa40
[ 8420.155206][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8420.155206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.155206][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.155206][   T10]      netlink_unicast+0x449/0x710
[ 8420.155206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.155206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.155206][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.155206][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.155206][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.155206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.155206][   T10] 
[ 8420.157250][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8420.157250][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8420.157250][   T10]      ipv6_find_idev+0x102/0x170
[ 8420.157250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8420.157250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.157250][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.157250][   T10]      netlink_unicast+0x449/0x710
[ 8420.157250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.157250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.157250][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.157250][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.157250][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.157250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.157250][   T10] 
[ 8420.158785][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8420.158785][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8420.158785][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8420.158785][   T10]      ipv6_find_idev+0x102/0x170
[ 8420.158785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8420.158785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.158785][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.158785][   T10]      netlink_unicast+0x449/0x710
[ 8420.158785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.158785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.158785][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.158785][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.158785][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.158785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.158785][   T10] 
[ 8420.160463][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8420.160707][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8420.160707][   T10]      netdev_get_by_index+0x5e/0x80
[ 8420.160707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8420.160707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8420.160707][   T10]      ip6_route_add+0x1c/0x140
[ 8420.160707][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8420.160707][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8420.160707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8420.160707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.160707][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.160707][   T10]      netlink_unicast+0x449/0x710
[ 8420.160707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.160707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.160707][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.160707][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.160707][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.160707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.160707][   T10] 
[ 8420.163238][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8420.163238][   T10]      netdev_get_by_index+0x5e/0x80
[ 8420.163238][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8420.163238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8420.163238][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8420.163238][   T10]      ipv6_add_addr+0x411/0x2000
[ 8420.163238][   T10]      inet6_addr_add+0x30e/0xa40
[ 8420.163238][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8420.163238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.163238][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.163238][   T10]      netlink_unicast+0x449/0x710
[ 8420.163238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.163238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.163238][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.163238][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.163238][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.163238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.163238][   T10] 
[ 8420.165228][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8420.165228][   T10]      netdev_get_by_index+0x5e/0x80
[ 8420.165228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8420.165228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8420.165228][   T10]      ip6_route_add+0x1c/0x140
[ 8420.165228][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8420.165228][   T10]      addrconf_add_dev+0xe2/0x170
[ 8420.165228][   T10]      inet6_addr_add+0x12f/0xa40
[ 8420.165228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8420.165228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.165228][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.165228][   T10]      netlink_unicast+0x449/0x710
[ 8420.165228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.165228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.165228][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.165228][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.165228][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.165228][   T10] 
[ 8420.167178][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8420.167178][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8420.167178][   T10]      ipv6_find_idev+0x102/0x170
[ 8420.167178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8420.167178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.167178][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.167178][   T10]      netlink_unicast+0x449/0x710
[ 8420.167178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.167178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.167178][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.167178][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.167178][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.167178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.167178][   T10] 
[ 8420.168710][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8420.168710][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8420.168710][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8420.168710][   T10]      ipv6_find_idev+0x102/0x170
[ 8420.168710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8420.168710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8420.168710][   T10]      netlink_rcv_skb+0x130/0x360
[ 8420.168710][   T10]      netlink_unicast+0x449/0x710
[ 8420.168710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8420.168710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8420.168710][   T10]      ___sys_sendmsg+0xee/0x170
[ 8420.168710][   T10]      __sys_sendmsg+0xcd/0x170
[ 8420.168710][   T10]      do_syscall_64+0xc6/0x1e0
[ 8420.168710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8420.168710][   T10] 
[ 8422.210823][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8422.211324][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8422.211324][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8422.211324][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8422.211324][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8422.211324][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8422.211324][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8422.211324][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8422.211324][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8422.211324][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8422.211324][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8422.211324][ T1078]      netlink_unicast+0x449/0x710
[ 8422.211324][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8422.211324][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8422.211324][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8422.211324][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8422.211324][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8422.211324][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8422.211324][ T1078] 
[ 8422.213591][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8422.213591][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8422.213591][ T1078]      ipv6_find_idev+0x102/0x170
[ 8422.213591][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8422.213591][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8422.213591][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8422.213591][ T1078]      netlink_unicast+0x449/0x710
[ 8422.213591][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8422.213591][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8422.213591][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8422.213591][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8422.213591][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8422.213591][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8422.213591][ T1078] 
[ 8422.215343][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8422.215343][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8422.215343][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8422.215343][ T1078]      ipv6_find_idev+0x102/0x170
[ 8422.215343][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8422.215343][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8422.215343][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8422.215343][ T1078]      netlink_unicast+0x449/0x710
[ 8422.215343][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8422.215343][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8422.215343][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8422.215343][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8422.215343][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8422.215343][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8422.215343][ T1078] 
[ 8430.410818][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8430.411410][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8430.411410][   T10]      netdev_get_by_index+0x5e/0x80
[ 8430.411410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8430.411410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8430.411410][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8430.411410][   T10]      ipv6_add_addr+0x411/0x2000
[ 8430.411410][   T10]      inet6_addr_add+0x30e/0xa40
[ 8430.411410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8430.411410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.411410][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.411410][   T10]      netlink_unicast+0x449/0x710
[ 8430.411410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.411410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.411410][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.411410][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.411410][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.411410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.411410][   T10] 
[ 8430.415126][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8430.415126][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8430.415126][   T10]      ipv6_find_idev+0x102/0x170
[ 8430.415126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8430.415126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.415126][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.415126][   T10]      netlink_unicast+0x449/0x710
[ 8430.415126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.415126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.415126][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.415126][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.415126][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.415126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.415126][   T10] 
[ 8430.417950][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8430.417950][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8430.417950][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8430.417950][   T10]      ipv6_find_idev+0x102/0x170
[ 8430.417950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8430.417950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.417950][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.417950][   T10]      netlink_unicast+0x449/0x710
[ 8430.417950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.417950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.417950][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.417950][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.417950][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.417950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.417950][   T10] 
[ 8430.435572][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8430.436049][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8430.436049][   T10]      netdev_get_by_index+0x5e/0x80
[ 8430.436049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8430.436049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8430.436049][   T10]      ip6_route_add+0x1c/0x140
[ 8430.436049][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8430.436049][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8430.436049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8430.436049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.436049][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.436049][   T10]      netlink_unicast+0x449/0x710
[ 8430.436049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.436049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.436049][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.436049][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.436049][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.436049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.436049][   T10] 
[ 8430.448015][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8430.448015][   T10]      netdev_get_by_index+0x5e/0x80
[ 8430.448015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8430.448015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8430.448015][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8430.448015][   T10]      ipv6_add_addr+0x411/0x2000
[ 8430.448015][   T10]      inet6_addr_add+0x30e/0xa40
[ 8430.448015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8430.448015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.448015][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.448015][   T10]      netlink_unicast+0x449/0x710
[ 8430.448015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.448015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.448015][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.448015][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.448015][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.448015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.448015][   T10] 
[ 8430.451743][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8430.451743][   T10]      netdev_get_by_index+0x5e/0x80
[ 8430.451743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8430.451743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8430.451743][   T10]      ip6_route_add+0x1c/0x140
[ 8430.451743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8430.451743][   T10]      addrconf_add_dev+0xe2/0x170
[ 8430.451743][   T10]      inet6_addr_add+0x12f/0xa40
[ 8430.451743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8430.451743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.451743][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.451743][   T10]      netlink_unicast+0x449/0x710
[ 8430.451743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.451743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.451743][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.451743][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.451743][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.451743][   T10] 
[ 8430.465858][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8430.465858][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8430.465858][   T10]      ipv6_find_idev+0x102/0x170
[ 8430.465858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8430.465858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.465858][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.465858][   T10]      netlink_unicast+0x449/0x710
[ 8430.465858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.465858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.465858][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.465858][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.465858][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.465858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.465858][   T10] 
[ 8430.468694][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8430.468694][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8430.468694][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8430.468694][   T10]      ipv6_find_idev+0x102/0x170
[ 8430.468694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8430.468694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8430.468694][   T10]      netlink_rcv_skb+0x130/0x360
[ 8430.468694][   T10]      netlink_unicast+0x449/0x710
[ 8430.468694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8430.468694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8430.468694][   T10]      ___sys_sendmsg+0xee/0x170
[ 8430.468694][   T10]      __sys_sendmsg+0xcd/0x170
[ 8430.468694][   T10]      do_syscall_64+0xc6/0x1e0
[ 8430.468694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8430.468694][   T10] 
[ 8432.458822][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8432.475240][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8432.475240][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8432.475240][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8432.475240][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8432.475240][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8432.475240][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8432.475240][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8432.475240][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8432.475240][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8432.475240][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8432.475240][ T1078]      netlink_unicast+0x449/0x710
[ 8432.475240][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8432.475240][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8432.475240][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8432.475240][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8432.475240][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8432.475240][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8432.475240][ T1078] 
[ 8432.499779][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8432.499779][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8432.499779][ T1078]      ipv6_find_idev+0x102/0x170
[ 8432.499779][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8432.499779][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8432.499779][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8432.499779][ T1078]      netlink_unicast+0x449/0x710
[ 8432.499779][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8432.499779][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8432.499779][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8432.499779][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8432.499779][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8432.499779][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8432.499779][ T1078] 
[ 8432.504768][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8432.504768][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8432.504768][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8432.504768][ T1078]      ipv6_find_idev+0x102/0x170
[ 8432.504768][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8432.504768][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8432.504768][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8432.504768][ T1078]      netlink_unicast+0x449/0x710
[ 8432.504768][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8432.504768][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8432.504768][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8432.504768][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8432.504768][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8432.504768][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8432.504768][ T1078] 
[ 8440.706815][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8440.717584][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8440.717584][   T10]      netdev_get_by_index+0x5e/0x80
[ 8440.717584][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8440.717584][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8440.717584][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8440.717584][   T10]      ipv6_add_addr+0x411/0x2000
[ 8440.717584][   T10]      inet6_addr_add+0x30e/0xa40
[ 8440.717584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8440.717584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.717584][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.717584][   T10]      netlink_unicast+0x449/0x710
[ 8440.717584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.717584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.717584][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.717584][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.717584][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.717584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.717584][   T10] 
[ 8440.722293][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8440.722293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8440.722293][   T10]      ipv6_find_idev+0x102/0x170
[ 8440.722293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8440.722293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.722293][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.722293][   T10]      netlink_unicast+0x449/0x710
[ 8440.722293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.722293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.722293][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.722293][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.722293][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.722293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.722293][   T10] 
[ 8440.737717][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8440.737717][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8440.737717][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8440.737717][   T10]      ipv6_find_idev+0x102/0x170
[ 8440.737717][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8440.737717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.737717][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.737717][   T10]      netlink_unicast+0x449/0x710
[ 8440.737717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.737717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.737717][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.737717][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.737717][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.737717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.737717][   T10] 
[ 8440.741570][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8440.742140][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8440.742140][   T10]      netdev_get_by_index+0x5e/0x80
[ 8440.742140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8440.742140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8440.742140][   T10]      ip6_route_add+0x1c/0x140
[ 8440.742140][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8440.742140][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8440.742140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8440.742140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.742140][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.742140][   T10]      netlink_unicast+0x449/0x710
[ 8440.742140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.742140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.742140][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.742140][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.742140][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.742140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.742140][   T10] 
[ 8440.746799][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8440.746799][   T10]      netdev_get_by_index+0x5e/0x80
[ 8440.746799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8440.746799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8440.746799][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8440.746799][   T10]      ipv6_add_addr+0x411/0x2000
[ 8440.746799][   T10]      inet6_addr_add+0x30e/0xa40
[ 8440.746799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8440.746799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.746799][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.746799][   T10]      netlink_unicast+0x449/0x710
[ 8440.746799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.746799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.746799][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.746799][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.746799][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.746799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.746799][   T10] 
[ 8440.766317][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8440.766317][   T10]      netdev_get_by_index+0x5e/0x80
[ 8440.766317][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8440.766317][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8440.766317][   T10]      ip6_route_add+0x1c/0x140
[ 8440.766317][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8440.766317][   T10]      addrconf_add_dev+0xe2/0x170
[ 8440.766317][   T10]      inet6_addr_add+0x12f/0xa40
[ 8440.766317][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8440.766317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.766317][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.766317][   T10]      netlink_unicast+0x449/0x710
[ 8440.766317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.766317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.766317][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.766317][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.766317][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.766317][   T10] 
[ 8440.770985][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8440.770985][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8440.770985][   T10]      ipv6_find_idev+0x102/0x170
[ 8440.770985][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8440.770985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.770985][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.770985][   T10]      netlink_unicast+0x449/0x710
[ 8440.770985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.770985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.770985][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.770985][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.770985][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.770985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.770985][   T10] 
[ 8440.774682][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8440.774682][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8440.774682][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8440.774682][   T10]      ipv6_find_idev+0x102/0x170
[ 8440.774682][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8440.774682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8440.774682][   T10]      netlink_rcv_skb+0x130/0x360
[ 8440.774682][   T10]      netlink_unicast+0x449/0x710
[ 8440.774682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8440.774682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8440.774682][   T10]      ___sys_sendmsg+0xee/0x170
[ 8440.774682][   T10]      __sys_sendmsg+0xcd/0x170
[ 8440.774682][   T10]      do_syscall_64+0xc6/0x1e0
[ 8440.774682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8440.774682][   T10] 
[ 8442.770836][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8442.771541][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8442.771541][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8442.771541][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8442.771541][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8442.771541][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8442.771541][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8442.771541][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8442.771541][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8442.771541][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8442.771541][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8442.771541][ T1078]      netlink_unicast+0x449/0x710
[ 8442.771541][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8442.771541][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8442.771541][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8442.771541][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8442.771541][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8442.771541][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8442.771541][ T1078] 
[ 8442.815532][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8442.815532][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8442.815532][ T1078]      ipv6_find_idev+0x102/0x170
[ 8442.815532][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8442.815532][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8442.815532][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8442.815532][ T1078]      netlink_unicast+0x449/0x710
[ 8442.815532][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8442.815532][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8442.815532][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8442.815532][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8442.815532][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8442.815532][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8442.815532][ T1078] 
[ 8442.819461][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8442.819461][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8442.819461][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8442.819461][ T1078]      ipv6_find_idev+0x102/0x170
[ 8442.819461][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8442.819461][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8442.819461][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8442.819461][ T1078]      netlink_unicast+0x449/0x710
[ 8442.819461][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8442.819461][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8442.819461][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8442.819461][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8442.819461][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8442.819461][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8442.819461][ T1078] 
[ 8451.018915][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8451.025175][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8451.025175][   T10]      netdev_get_by_index+0x5e/0x80
[ 8451.025175][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8451.025175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8451.025175][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8451.025175][   T10]      ipv6_add_addr+0x411/0x2000
[ 8451.025175][   T10]      inet6_addr_add+0x30e/0xa40
[ 8451.025175][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8451.025175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.025175][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.025175][   T10]      netlink_unicast+0x449/0x710
[ 8451.025175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.025175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.025175][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.025175][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.025175][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.025175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.025175][   T10] 
[ 8451.029774][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8451.029774][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8451.029774][   T10]      ipv6_find_idev+0x102/0x170
[ 8451.029774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8451.029774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.029774][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.029774][   T10]      netlink_unicast+0x449/0x710
[ 8451.029774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.029774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.029774][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.029774][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.029774][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.029774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.029774][   T10] 
[ 8451.033479][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8451.033479][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8451.033479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8451.033479][   T10]      ipv6_find_idev+0x102/0x170
[ 8451.033479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8451.033479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.033479][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.033479][   T10]      netlink_unicast+0x449/0x710
[ 8451.033479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.033479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.033479][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.033479][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.033479][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.033479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.033479][   T10] 
[ 8451.037612][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8451.038212][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8451.038212][   T10]      netdev_get_by_index+0x5e/0x80
[ 8451.038212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8451.038212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8451.038212][   T10]      ip6_route_add+0x1c/0x140
[ 8451.038212][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8451.038212][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8451.038212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8451.038212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.038212][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.038212][   T10]      netlink_unicast+0x449/0x710
[ 8451.038212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.038212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.038212][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.038212][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.038212][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.038212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.038212][   T10] 
[ 8451.042984][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8451.042984][   T10]      netdev_get_by_index+0x5e/0x80
[ 8451.042984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8451.042984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8451.042984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8451.042984][   T10]      ipv6_add_addr+0x411/0x2000
[ 8451.042984][   T10]      inet6_addr_add+0x30e/0xa40
[ 8451.042984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8451.042984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.042984][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.042984][   T10]      netlink_unicast+0x449/0x710
[ 8451.042984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.042984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.042984][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.042984][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.042984][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.042984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.042984][   T10] 
[ 8451.055349][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8451.055349][   T10]      netdev_get_by_index+0x5e/0x80
[ 8451.055349][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8451.055349][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8451.055349][   T10]      ip6_route_add+0x1c/0x140
[ 8451.055349][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8451.055349][   T10]      addrconf_add_dev+0xe2/0x170
[ 8451.055349][   T10]      inet6_addr_add+0x12f/0xa40
[ 8451.055349][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8451.055349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.055349][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.055349][   T10]      netlink_unicast+0x449/0x710
[ 8451.055349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.055349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.055349][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.055349][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.055349][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.055349][   T10] 
[ 8451.061326][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8451.061326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8451.061326][   T10]      ipv6_find_idev+0x102/0x170
[ 8451.061326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8451.061326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.061326][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.061326][   T10]      netlink_unicast+0x449/0x710
[ 8451.061326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.061326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.061326][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.061326][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.061326][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.061326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.061326][   T10] 
[ 8451.065981][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8451.065981][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8451.065981][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8451.065981][   T10]      ipv6_find_idev+0x102/0x170
[ 8451.065981][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8451.065981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8451.065981][   T10]      netlink_rcv_skb+0x130/0x360
[ 8451.065981][   T10]      netlink_unicast+0x449/0x710
[ 8451.065981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8451.065981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8451.065981][   T10]      ___sys_sendmsg+0xee/0x170
[ 8451.065981][   T10]      __sys_sendmsg+0xcd/0x170
[ 8451.065981][   T10]      do_syscall_64+0xc6/0x1e0
[ 8451.065981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8451.065981][   T10] 
[ 8453.082832][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8453.103794][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8453.103794][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8453.103794][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8453.103794][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8453.103794][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8453.103794][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8453.103794][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8453.103794][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8453.103794][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8453.103794][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8453.103794][ T1078]      netlink_unicast+0x449/0x710
[ 8453.103794][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8453.103794][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8453.103794][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8453.103794][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8453.103794][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8453.103794][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8453.103794][ T1078] 
[ 8453.110349][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8453.110349][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8453.110349][ T1078]      ipv6_find_idev+0x102/0x170
[ 8453.110349][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8453.110349][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8453.110349][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8453.110349][ T1078]      netlink_unicast+0x449/0x710
[ 8453.110349][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8453.110349][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8453.110349][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8453.110349][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8453.110349][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8453.110349][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8453.110349][ T1078] 
[ 8453.114368][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8453.114368][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8453.114368][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8453.114368][ T1078]      ipv6_find_idev+0x102/0x170
[ 8453.114368][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8453.114368][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8453.114368][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8453.114368][ T1078]      netlink_unicast+0x449/0x710
[ 8453.114368][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8453.114368][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8453.114368][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8453.114368][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8453.114368][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8453.114368][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8453.114368][ T1078] 
[ 8461.154774][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8461.155243][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8461.155243][   T10]      netdev_get_by_index+0x5e/0x80
[ 8461.155243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8461.155243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8461.155243][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8461.155243][   T10]      ipv6_add_addr+0x411/0x2000
[ 8461.155243][   T10]      inet6_addr_add+0x30e/0xa40
[ 8461.155243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8461.155243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.155243][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.155243][   T10]      netlink_unicast+0x449/0x710
[ 8461.155243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.155243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.155243][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.155243][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.155243][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.155243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.155243][   T10] 
[ 8461.157499][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8461.157499][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8461.157499][   T10]      ipv6_find_idev+0x102/0x170
[ 8461.157499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8461.157499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.157499][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.157499][   T10]      netlink_unicast+0x449/0x710
[ 8461.157499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.157499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.157499][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.157499][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.157499][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.157499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.157499][   T10] 
[ 8461.159210][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8461.159210][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8461.159210][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8461.159210][   T10]      ipv6_find_idev+0x102/0x170
[ 8461.159210][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8461.159210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.159210][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.159210][   T10]      netlink_unicast+0x449/0x710
[ 8461.159210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.159210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.159210][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.159210][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.159210][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.159210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.159210][   T10] 
[ 8461.161075][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8461.161338][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8461.161338][   T10]      netdev_get_by_index+0x5e/0x80
[ 8461.161338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8461.161338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8461.161338][   T10]      ip6_route_add+0x1c/0x140
[ 8461.161338][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8461.161338][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8461.161338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8461.161338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.161338][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.161338][   T10]      netlink_unicast+0x449/0x710
[ 8461.161338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.161338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.161338][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.161338][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.161338][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.161338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.161338][   T10] 
[ 8461.163580][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8461.163580][   T10]      netdev_get_by_index+0x5e/0x80
[ 8461.163580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8461.163580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8461.163580][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8461.163580][   T10]      ipv6_add_addr+0x411/0x2000
[ 8461.163580][   T10]      inet6_addr_add+0x30e/0xa40
[ 8461.163580][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8461.163580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.163580][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.163580][   T10]      netlink_unicast+0x449/0x710
[ 8461.163580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.163580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.163580][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.163580][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.163580][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.163580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.163580][   T10] 
[ 8461.165812][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8461.165812][   T10]      netdev_get_by_index+0x5e/0x80
[ 8461.165812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8461.165812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8461.165812][   T10]      ip6_route_add+0x1c/0x140
[ 8461.165812][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8461.165812][   T10]      addrconf_add_dev+0xe2/0x170
[ 8461.165812][   T10]      inet6_addr_add+0x12f/0xa40
[ 8461.165812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8461.165812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.165812][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.165812][   T10]      netlink_unicast+0x449/0x710
[ 8461.165812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.165812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.165812][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.165812][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.165812][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.165812][   T10] 
[ 8461.168019][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8461.168019][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8461.168019][   T10]      ipv6_find_idev+0x102/0x170
[ 8461.168019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8461.168019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.168019][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.168019][   T10]      netlink_unicast+0x449/0x710
[ 8461.168019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.168019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.168019][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.168019][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.168019][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.168019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.168019][   T10] 
[ 8461.169709][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8461.169709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8461.169709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8461.169709][   T10]      ipv6_find_idev+0x102/0x170
[ 8461.169709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8461.169709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8461.169709][   T10]      netlink_rcv_skb+0x130/0x360
[ 8461.169709][   T10]      netlink_unicast+0x449/0x710
[ 8461.169709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8461.169709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8461.169709][   T10]      ___sys_sendmsg+0xee/0x170
[ 8461.169709][   T10]      __sys_sendmsg+0xcd/0x170
[ 8461.169709][   T10]      do_syscall_64+0xc6/0x1e0
[ 8461.169709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8461.169709][   T10] 
[ 8463.202875][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8463.203403][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8463.203403][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8463.203403][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8463.203403][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8463.203403][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8463.203403][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8463.203403][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8463.203403][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8463.203403][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8463.203403][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8463.203403][ T1078]      netlink_unicast+0x449/0x710
[ 8463.203403][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8463.203403][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8463.203403][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8463.203403][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8463.203403][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8463.203403][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8463.203403][ T1078] 
[ 8463.205930][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8463.205930][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8463.205930][ T1078]      ipv6_find_idev+0x102/0x170
[ 8463.205930][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8463.205930][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8463.205930][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8463.205930][ T1078]      netlink_unicast+0x449/0x710
[ 8463.205930][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8463.205930][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8463.205930][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8463.205930][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8463.205930][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8463.205930][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8463.205930][ T1078] 
[ 8463.207844][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8463.207844][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8463.207844][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8463.207844][ T1078]      ipv6_find_idev+0x102/0x170
[ 8463.207844][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8463.207844][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8463.207844][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8463.207844][ T1078]      netlink_unicast+0x449/0x710
[ 8463.207844][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8463.207844][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8463.207844][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8463.207844][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8463.207844][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8463.207844][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8463.207844][ T1078] 
[ 8471.410825][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8471.411294][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8471.411294][   T10]      netdev_get_by_index+0x5e/0x80
[ 8471.411294][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8471.411294][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8471.411294][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8471.411294][   T10]      ipv6_add_addr+0x411/0x2000
[ 8471.411294][   T10]      inet6_addr_add+0x30e/0xa40
[ 8471.411294][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8471.411294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.411294][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.411294][   T10]      netlink_unicast+0x449/0x710
[ 8471.411294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.411294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.411294][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.411294][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.411294][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.411294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.411294][   T10] 
[ 8471.413535][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8471.413535][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8471.413535][   T10]      ipv6_find_idev+0x102/0x170
[ 8471.413535][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8471.413535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.413535][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.413535][   T10]      netlink_unicast+0x449/0x710
[ 8471.413535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.413535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.413535][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.413535][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.413535][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.413535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.413535][   T10] 
[ 8471.415283][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8471.415283][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8471.415283][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8471.415283][   T10]      ipv6_find_idev+0x102/0x170
[ 8471.415283][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8471.415283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.415283][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.415283][   T10]      netlink_unicast+0x449/0x710
[ 8471.415283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.415283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.415283][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.415283][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.415283][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.415283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.415283][   T10] 
[ 8471.417181][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8471.417443][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8471.417443][   T10]      netdev_get_by_index+0x5e/0x80
[ 8471.417443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8471.417443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8471.417443][   T10]      ip6_route_add+0x1c/0x140
[ 8471.417443][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8471.417443][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8471.417443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8471.417443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.417443][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.417443][   T10]      netlink_unicast+0x449/0x710
[ 8471.417443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.417443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.417443][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.417443][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.417443][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.417443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.417443][   T10] 
[ 8471.419703][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8471.419703][   T10]      netdev_get_by_index+0x5e/0x80
[ 8471.419703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8471.419703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8471.419703][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8471.419703][   T10]      ipv6_add_addr+0x411/0x2000
[ 8471.419703][   T10]      inet6_addr_add+0x30e/0xa40
[ 8471.419703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8471.419703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.419703][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.419703][   T10]      netlink_unicast+0x449/0x710
[ 8471.419703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.419703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.419703][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.419703][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.419703][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.419703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.419703][   T10] 
[ 8471.421960][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8471.421960][   T10]      netdev_get_by_index+0x5e/0x80
[ 8471.421960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8471.421960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8471.421960][   T10]      ip6_route_add+0x1c/0x140
[ 8471.421960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8471.421960][   T10]      addrconf_add_dev+0xe2/0x170
[ 8471.421960][   T10]      inet6_addr_add+0x12f/0xa40
[ 8471.421960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8471.421960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.421960][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.421960][   T10]      netlink_unicast+0x449/0x710
[ 8471.421960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.421960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.421960][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.421960][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.421960][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.421960][   T10] 
[ 8471.424175][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8471.424175][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8471.424175][   T10]      ipv6_find_idev+0x102/0x170
[ 8471.424175][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8471.424175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.424175][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.424175][   T10]      netlink_unicast+0x449/0x710
[ 8471.424175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.424175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.424175][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.424175][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.424175][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.424175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.424175][   T10] 
[ 8471.425922][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8471.425922][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8471.425922][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8471.425922][   T10]      ipv6_find_idev+0x102/0x170
[ 8471.425922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8471.425922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8471.425922][   T10]      netlink_rcv_skb+0x130/0x360
[ 8471.425922][   T10]      netlink_unicast+0x449/0x710
[ 8471.425922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8471.425922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8471.425922][   T10]      ___sys_sendmsg+0xee/0x170
[ 8471.425922][   T10]      __sys_sendmsg+0xcd/0x170
[ 8471.425922][   T10]      do_syscall_64+0xc6/0x1e0
[ 8471.425922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8471.425922][   T10] 
[ 8473.450937][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8473.451407][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8473.451407][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8473.451407][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8473.451407][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8473.451407][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8473.451407][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8473.451407][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8473.451407][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8473.451407][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8473.451407][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8473.451407][ T1078]      netlink_unicast+0x449/0x710
[ 8473.451407][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8473.451407][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8473.451407][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8473.451407][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8473.451407][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8473.451407][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8473.451407][ T1078] 
[ 8473.454477][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8473.454477][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8473.454477][ T1078]      ipv6_find_idev+0x102/0x170
[ 8473.454477][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8473.454477][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8473.454477][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8473.454477][ T1078]      netlink_unicast+0x449/0x710
[ 8473.454477][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8473.454477][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8473.454477][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8473.454477][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8473.454477][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8473.454477][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8473.454477][ T1078] 
[ 8473.456405][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8473.456405][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8473.456405][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8473.456405][ T1078]      ipv6_find_idev+0x102/0x170
[ 8473.456405][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8473.456405][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8473.456405][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8473.456405][ T1078]      netlink_unicast+0x449/0x710
[ 8473.456405][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8473.456405][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8473.456405][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8473.456405][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8473.456405][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8473.456405][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8473.456405][ T1078] 
[ 8480.042780][   T42] INFO: task modprobe:1347 blocked for more than 1105 seconds.
[ 8480.043160][   T42]       Not tainted 6.8.0-virtme #1
[ 8480.043295][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 8480.043520][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 8480.043819][   T42] Call Trace:
[ 8480.043931][   T42]  <TASK>
[ 8480.044009][   T42]  __schedule+0x705/0x1ac0
[ 8480.044160][   T42]  ? __pfx___schedule+0x10/0x10
[ 8480.044300][   T42]  ? schedule+0x1a5/0x210
[ 8480.044409][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8480.044568][   T42]  ? mark_lock+0x38/0x3e0
[ 8480.044673][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 8480.044829][   T42]  ? schedule+0x1a5/0x210
[ 8480.044943][   T42]  schedule+0xdf/0x210
[ 8480.045051][   T42]  schedule_preempt_disabled+0x15/0x30
[ 8480.045190][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 8480.045335][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 8480.045506][   T42]  ? kasan_save_stack+0x34/0x50
[ 8480.045643][   T42]  ? kasan_save_stack+0x24/0x50
[ 8480.045797][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8480.045947][   T42]  ? lock_acquire+0x1c1/0x220
[ 8480.046085][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 8480.046235][   T42]  down_write+0x1c9/0x200
[ 8480.046341][   T42]  ? __pfx_down_write+0x10/0x10
[ 8480.046482][   T42]  ? __pfx___lock_release+0x10/0x10
[ 8480.046631][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 8480.046851][   T42]  register_pernet_subsys+0x1a/0x50
[ 8480.046988][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 8480.047189][   T42]  do_one_initcall+0xc8/0x3f0
[ 8480.047326][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 8480.047465][   T42]  ? __create_object+0x5e/0xb0
[ 8480.047607][   T42]  ? kasan_unpoison+0x27/0x60
[ 8480.047770][   T42]  do_init_module+0x233/0x740
[ 8480.047924][   T42]  load_module+0x16b5/0x2350
[ 8480.048075][   T42]  ? __pfx_load_module+0x10/0x10
[ 8480.048213][   T42]  ? kernel_read_file+0x3d2/0x520
[ 8480.048359][   T42]  ? kernel_read_file+0x300/0x520
[ 8480.048505][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 8480.048655][   T42]  ? init_module_from_file+0xd2/0x130
[ 8480.048803][   T42]  init_module_from_file+0xd2/0x130
[ 8480.048942][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 8480.049118][   T42]  ? __lock_release+0x103/0x460
[ 8480.049257][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8480.049407][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8480.049547][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 8480.049700][   T42]  idempotent_init_module+0x342/0x620
[ 8480.049838][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 8480.050026][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 8480.050167][   T42]  do_syscall_64+0xc6/0x1e0
[ 8480.050308][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8480.050481][   T42] RIP: 0033:0x7f688a3aae5d
[ 8480.050621][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 8480.050834][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 8480.051038][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 8480.051244][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 8480.051447][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 8480.051645][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 8480.051878][   T42]  </TASK>
[ 8480.051983][   T42] 
[ 8480.051983][   T42] Showing all locks held in the system:
[ 8480.052181][   T42] 3 locks held by kworker/u16:0/10:
[ 8480.052316][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8480.052591][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8480.052843][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 8480.053090][   T42] 1 lock held by khungtaskd/42:
[ 8480.053225][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 8480.053469][   T42] 2 locks held by kworker/u19:1/60:
[ 8480.053598][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8480.053893][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8480.054201][   T42] 1 lock held by modprobe/1347:
[ 8480.054333][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 8480.054617][   T42] 
[ 8480.054698][   T42] =============================================
[ 8480.054698][   T42] 
[ 8481.658861][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8481.659341][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8481.659341][   T10]      netdev_get_by_index+0x5e/0x80
[ 8481.659341][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8481.659341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8481.659341][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8481.659341][   T10]      ipv6_add_addr+0x411/0x2000
[ 8481.659341][   T10]      inet6_addr_add+0x30e/0xa40
[ 8481.659341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8481.659341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.659341][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.659341][   T10]      netlink_unicast+0x449/0x710
[ 8481.659341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.659341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.659341][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.659341][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.659341][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.659341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.659341][   T10] 
[ 8481.661602][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8481.661602][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8481.661602][   T10]      ipv6_find_idev+0x102/0x170
[ 8481.661602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8481.661602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.661602][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.661602][   T10]      netlink_unicast+0x449/0x710
[ 8481.661602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.661602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.661602][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.661602][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.661602][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.661602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.661602][   T10] 
[ 8481.663396][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8481.663396][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8481.663396][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8481.663396][   T10]      ipv6_find_idev+0x102/0x170
[ 8481.663396][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8481.663396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.663396][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.663396][   T10]      netlink_unicast+0x449/0x710
[ 8481.663396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.663396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.663396][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.663396][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.663396][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.663396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.663396][   T10] 
[ 8481.665281][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8481.665542][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8481.665542][   T10]      netdev_get_by_index+0x5e/0x80
[ 8481.665542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8481.665542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8481.665542][   T10]      ip6_route_add+0x1c/0x140
[ 8481.665542][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8481.665542][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8481.665542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8481.665542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.665542][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.665542][   T10]      netlink_unicast+0x449/0x710
[ 8481.665542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.665542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.665542][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.665542][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.665542][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.665542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.665542][   T10] 
[ 8481.667750][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8481.667750][   T10]      netdev_get_by_index+0x5e/0x80
[ 8481.667750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8481.667750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8481.667750][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8481.667750][   T10]      ipv6_add_addr+0x411/0x2000
[ 8481.667750][   T10]      inet6_addr_add+0x30e/0xa40
[ 8481.667750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8481.667750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.667750][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.667750][   T10]      netlink_unicast+0x449/0x710
[ 8481.667750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.667750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.667750][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.667750][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.667750][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.667750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.667750][   T10] 
[ 8481.669964][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8481.669964][   T10]      netdev_get_by_index+0x5e/0x80
[ 8481.669964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8481.669964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8481.669964][   T10]      ip6_route_add+0x1c/0x140
[ 8481.669964][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8481.669964][   T10]      addrconf_add_dev+0xe2/0x170
[ 8481.669964][   T10]      inet6_addr_add+0x12f/0xa40
[ 8481.669964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8481.669964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.669964][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.669964][   T10]      netlink_unicast+0x449/0x710
[ 8481.669964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.669964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.669964][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.669964][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.669964][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.669964][   T10] 
[ 8481.672150][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8481.672150][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8481.672150][   T10]      ipv6_find_idev+0x102/0x170
[ 8481.672150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8481.672150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.672150][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.672150][   T10]      netlink_unicast+0x449/0x710
[ 8481.672150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.672150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.672150][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.672150][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.672150][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.672150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.672150][   T10] 
[ 8481.673899][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8481.673899][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8481.673899][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8481.673899][   T10]      ipv6_find_idev+0x102/0x170
[ 8481.673899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8481.673899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8481.673899][   T10]      netlink_rcv_skb+0x130/0x360
[ 8481.673899][   T10]      netlink_unicast+0x449/0x710
[ 8481.673899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8481.673899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8481.673899][   T10]      ___sys_sendmsg+0xee/0x170
[ 8481.673899][   T10]      __sys_sendmsg+0xcd/0x170
[ 8481.673899][   T10]      do_syscall_64+0xc6/0x1e0
[ 8481.673899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8481.673899][   T10] 
[ 8483.706850][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8483.707425][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8483.707425][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8483.707425][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8483.707425][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8483.707425][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8483.707425][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8483.707425][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8483.707425][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8483.707425][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8483.707425][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8483.707425][ T1078]      netlink_unicast+0x449/0x710
[ 8483.707425][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8483.707425][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8483.707425][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8483.707425][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8483.707425][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8483.707425][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8483.707425][ T1078] 
[ 8483.709995][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8483.709995][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8483.709995][ T1078]      ipv6_find_idev+0x102/0x170
[ 8483.709995][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8483.709995][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8483.709995][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8483.709995][ T1078]      netlink_unicast+0x449/0x710
[ 8483.709995][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8483.709995][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8483.709995][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8483.709995][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8483.709995][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8483.709995][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8483.709995][ T1078] 
[ 8483.711930][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8483.711930][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8483.711930][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8483.711930][ T1078]      ipv6_find_idev+0x102/0x170
[ 8483.711930][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8483.711930][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8483.711930][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8483.711930][ T1078]      netlink_unicast+0x449/0x710
[ 8483.711930][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8483.711930][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8483.711930][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8483.711930][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8483.711930][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8483.711930][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8483.711930][ T1078] 
[ 8491.714752][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8491.715201][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8491.715201][   T10]      netdev_get_by_index+0x5e/0x80
[ 8491.715201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8491.715201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8491.715201][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8491.715201][   T10]      ipv6_add_addr+0x411/0x2000
[ 8491.715201][   T10]      inet6_addr_add+0x30e/0xa40
[ 8491.715201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8491.715201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.715201][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.715201][   T10]      netlink_unicast+0x449/0x710
[ 8491.715201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.715201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.715201][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.715201][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.715201][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.715201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.715201][   T10] 
[ 8491.717437][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8491.717437][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8491.717437][   T10]      ipv6_find_idev+0x102/0x170
[ 8491.717437][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8491.717437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.717437][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.717437][   T10]      netlink_unicast+0x449/0x710
[ 8491.717437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.717437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.717437][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.717437][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.717437][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.717437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.717437][   T10] 
[ 8491.719156][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8491.719156][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8491.719156][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8491.719156][   T10]      ipv6_find_idev+0x102/0x170
[ 8491.719156][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8491.719156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.719156][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.719156][   T10]      netlink_unicast+0x449/0x710
[ 8491.719156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.719156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.719156][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.719156][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.719156][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.719156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.719156][   T10] 
[ 8491.721027][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8491.721296][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8491.721296][   T10]      netdev_get_by_index+0x5e/0x80
[ 8491.721296][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8491.721296][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8491.721296][   T10]      ip6_route_add+0x1c/0x140
[ 8491.721296][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8491.721296][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8491.721296][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8491.721296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.721296][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.721296][   T10]      netlink_unicast+0x449/0x710
[ 8491.721296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.721296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.721296][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.721296][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.721296][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.721296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.721296][   T10] 
[ 8491.723501][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8491.723501][   T10]      netdev_get_by_index+0x5e/0x80
[ 8491.723501][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8491.723501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8491.723501][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8491.723501][   T10]      ipv6_add_addr+0x411/0x2000
[ 8491.723501][   T10]      inet6_addr_add+0x30e/0xa40
[ 8491.723501][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8491.723501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.723501][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.723501][   T10]      netlink_unicast+0x449/0x710
[ 8491.723501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.723501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.723501][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.723501][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.723501][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.723501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.723501][   T10] 
[ 8491.725759][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8491.725759][   T10]      netdev_get_by_index+0x5e/0x80
[ 8491.725759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8491.725759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8491.725759][   T10]      ip6_route_add+0x1c/0x140
[ 8491.725759][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8491.725759][   T10]      addrconf_add_dev+0xe2/0x170
[ 8491.725759][   T10]      inet6_addr_add+0x12f/0xa40
[ 8491.725759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8491.725759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.725759][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.725759][   T10]      netlink_unicast+0x449/0x710
[ 8491.725759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.725759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.725759][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.725759][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.725759][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.725759][   T10] 
[ 8491.727943][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8491.727943][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8491.727943][   T10]      ipv6_find_idev+0x102/0x170
[ 8491.727943][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8491.727943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.727943][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.727943][   T10]      netlink_unicast+0x449/0x710
[ 8491.727943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.727943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.727943][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.727943][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.727943][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.727943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.727943][   T10] 
[ 8491.729659][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8491.729659][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8491.729659][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8491.729659][   T10]      ipv6_find_idev+0x102/0x170
[ 8491.729659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8491.729659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8491.729659][   T10]      netlink_rcv_skb+0x130/0x360
[ 8491.729659][   T10]      netlink_unicast+0x449/0x710
[ 8491.729659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8491.729659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8491.729659][   T10]      ___sys_sendmsg+0xee/0x170
[ 8491.729659][   T10]      __sys_sendmsg+0xcd/0x170
[ 8491.729659][   T10]      do_syscall_64+0xc6/0x1e0
[ 8491.729659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8491.729659][   T10] 
[ 8493.954782][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8493.955346][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8493.955346][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8493.955346][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8493.955346][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8493.955346][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8493.955346][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8493.955346][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8493.955346][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8493.955346][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8493.955346][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8493.955346][ T1078]      netlink_unicast+0x449/0x710
[ 8493.955346][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8493.955346][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8493.955346][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8493.955346][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8493.955346][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8493.955346][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8493.955346][ T1078] 
[ 8493.957927][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8493.957927][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8493.957927][ T1078]      ipv6_find_idev+0x102/0x170
[ 8493.957927][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8493.957927][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8493.957927][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8493.957927][ T1078]      netlink_unicast+0x449/0x710
[ 8493.957927][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8493.957927][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8493.957927][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8493.957927][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8493.957927][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8493.957927][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8493.957927][ T1078] 
[ 8493.959902][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8493.959902][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8493.959902][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8493.959902][ T1078]      ipv6_find_idev+0x102/0x170
[ 8493.959902][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8493.959902][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8493.959902][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8493.959902][ T1078]      netlink_unicast+0x449/0x710
[ 8493.959902][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8493.959902][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8493.959902][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8493.959902][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8493.959902][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8493.959902][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8493.959902][ T1078] 
[ 8501.970819][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8501.971180][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8501.971180][   T10]      netdev_get_by_index+0x5e/0x80
[ 8501.971180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8501.971180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8501.971180][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8501.971180][   T10]      ipv6_add_addr+0x411/0x2000
[ 8501.971180][   T10]      inet6_addr_add+0x30e/0xa40
[ 8501.971180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8501.971180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.971180][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.971180][   T10]      netlink_unicast+0x449/0x710
[ 8501.971180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.971180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.971180][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.971180][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.971180][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.971180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.971180][   T10] 
[ 8501.973189][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8501.973189][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8501.973189][   T10]      ipv6_find_idev+0x102/0x170
[ 8501.973189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8501.973189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.973189][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.973189][   T10]      netlink_unicast+0x449/0x710
[ 8501.973189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.973189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.973189][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.973189][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.973189][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.973189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.973189][   T10] 
[ 8501.974741][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8501.974741][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8501.974741][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8501.974741][   T10]      ipv6_find_idev+0x102/0x170
[ 8501.974741][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8501.974741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.974741][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.974741][   T10]      netlink_unicast+0x449/0x710
[ 8501.974741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.974741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.974741][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.974741][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.974741][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.974741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.974741][   T10] 
[ 8501.976424][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8501.976660][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8501.976660][   T10]      netdev_get_by_index+0x5e/0x80
[ 8501.976660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8501.976660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8501.976660][   T10]      ip6_route_add+0x1c/0x140
[ 8501.976660][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8501.976660][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8501.976660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8501.976660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.976660][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.976660][   T10]      netlink_unicast+0x449/0x710
[ 8501.976660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.976660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.976660][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.976660][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.976660][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.976660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.976660][   T10] 
[ 8501.978667][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8501.978667][   T10]      netdev_get_by_index+0x5e/0x80
[ 8501.978667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8501.978667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8501.978667][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8501.978667][   T10]      ipv6_add_addr+0x411/0x2000
[ 8501.978667][   T10]      inet6_addr_add+0x30e/0xa40
[ 8501.978667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8501.978667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.978667][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.978667][   T10]      netlink_unicast+0x449/0x710
[ 8501.978667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.978667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.978667][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.978667][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.978667][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.978667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.978667][   T10] 
[ 8501.980664][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8501.980664][   T10]      netdev_get_by_index+0x5e/0x80
[ 8501.980664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8501.980664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8501.980664][   T10]      ip6_route_add+0x1c/0x140
[ 8501.980664][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8501.980664][   T10]      addrconf_add_dev+0xe2/0x170
[ 8501.980664][   T10]      inet6_addr_add+0x12f/0xa40
[ 8501.980664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8501.980664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.980664][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.980664][   T10]      netlink_unicast+0x449/0x710
[ 8501.980664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.980664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.980664][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.980664][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.980664][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.980664][   T10] 
[ 8501.982618][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8501.982618][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8501.982618][   T10]      ipv6_find_idev+0x102/0x170
[ 8501.982618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8501.982618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.982618][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.982618][   T10]      netlink_unicast+0x449/0x710
[ 8501.982618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.982618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.982618][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.982618][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.982618][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.982618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.982618][   T10] 
[ 8501.984155][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8501.984155][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8501.984155][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8501.984155][   T10]      ipv6_find_idev+0x102/0x170
[ 8501.984155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8501.984155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8501.984155][   T10]      netlink_rcv_skb+0x130/0x360
[ 8501.984155][   T10]      netlink_unicast+0x449/0x710
[ 8501.984155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8501.984155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8501.984155][   T10]      ___sys_sendmsg+0xee/0x170
[ 8501.984155][   T10]      __sys_sendmsg+0xcd/0x170
[ 8501.984155][   T10]      do_syscall_64+0xc6/0x1e0
[ 8501.984155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8501.984155][   T10] 
[ 8503.994853][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8503.995459][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8503.995459][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8503.995459][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8503.995459][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8503.995459][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8503.995459][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8503.995459][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8503.995459][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8503.995459][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8503.995459][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8503.995459][ T1078]      netlink_unicast+0x449/0x710
[ 8503.995459][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8503.995459][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8503.995459][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8503.995459][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8503.995459][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8503.995459][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8503.995459][ T1078] 
[ 8503.997776][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8503.997776][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8503.997776][ T1078]      ipv6_find_idev+0x102/0x170
[ 8503.997776][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8503.997776][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8503.997776][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8503.997776][ T1078]      netlink_unicast+0x449/0x710
[ 8503.997776][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8503.997776][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8503.997776][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8503.997776][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8503.997776][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8503.997776][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8503.997776][ T1078] 
[ 8503.999599][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8503.999599][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8503.999599][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8503.999599][ T1078]      ipv6_find_idev+0x102/0x170
[ 8503.999599][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8503.999599][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8503.999599][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8503.999599][ T1078]      netlink_unicast+0x449/0x710
[ 8503.999599][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8503.999599][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8503.999599][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8503.999599][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8503.999599][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8503.999599][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8503.999599][ T1078] 
[ 8512.226757][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8512.227246][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8512.227246][   T10]      netdev_get_by_index+0x5e/0x80
[ 8512.227246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8512.227246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8512.227246][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8512.227246][   T10]      ipv6_add_addr+0x411/0x2000
[ 8512.227246][   T10]      inet6_addr_add+0x30e/0xa40
[ 8512.227246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8512.227246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.227246][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.227246][   T10]      netlink_unicast+0x449/0x710
[ 8512.227246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.227246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.227246][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.227246][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.227246][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.227246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.227246][   T10] 
[ 8512.229809][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8512.229809][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8512.229809][   T10]      ipv6_find_idev+0x102/0x170
[ 8512.229809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8512.229809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.229809][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.229809][   T10]      netlink_unicast+0x449/0x710
[ 8512.229809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.229809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.229809][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.229809][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.229809][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.229809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.229809][   T10] 
[ 8512.231369][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8512.231369][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8512.231369][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8512.231369][   T10]      ipv6_find_idev+0x102/0x170
[ 8512.231369][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8512.231369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.231369][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.231369][   T10]      netlink_unicast+0x449/0x710
[ 8512.231369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.231369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.231369][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.231369][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.231369][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.231369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.231369][   T10] 
[ 8512.233089][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8512.233331][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8512.233331][   T10]      netdev_get_by_index+0x5e/0x80
[ 8512.233331][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8512.233331][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8512.233331][   T10]      ip6_route_add+0x1c/0x140
[ 8512.233331][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8512.233331][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8512.233331][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8512.233331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.233331][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.233331][   T10]      netlink_unicast+0x449/0x710
[ 8512.233331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.233331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.233331][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.233331][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.233331][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.233331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.233331][   T10] 
[ 8512.235382][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8512.235382][   T10]      netdev_get_by_index+0x5e/0x80
[ 8512.235382][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8512.235382][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8512.235382][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8512.235382][   T10]      ipv6_add_addr+0x411/0x2000
[ 8512.235382][   T10]      inet6_addr_add+0x30e/0xa40
[ 8512.235382][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8512.235382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.235382][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.235382][   T10]      netlink_unicast+0x449/0x710
[ 8512.235382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.235382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.235382][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.235382][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.235382][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.235382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.235382][   T10] 
[ 8512.237412][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8512.237412][   T10]      netdev_get_by_index+0x5e/0x80
[ 8512.237412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8512.237412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8512.237412][   T10]      ip6_route_add+0x1c/0x140
[ 8512.237412][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8512.237412][   T10]      addrconf_add_dev+0xe2/0x170
[ 8512.237412][   T10]      inet6_addr_add+0x12f/0xa40
[ 8512.237412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8512.237412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.237412][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.237412][   T10]      netlink_unicast+0x449/0x710
[ 8512.237412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.237412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.237412][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.237412][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.237412][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.237412][   T10] 
[ 8512.239759][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8512.239759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8512.239759][   T10]      ipv6_find_idev+0x102/0x170
[ 8512.239759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8512.239759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.239759][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.239759][   T10]      netlink_unicast+0x449/0x710
[ 8512.239759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.239759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.239759][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.239759][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.239759][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.239759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.239759][   T10] 
[ 8512.242180][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8512.242180][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8512.242180][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8512.242180][   T10]      ipv6_find_idev+0x102/0x170
[ 8512.242180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8512.242180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8512.242180][   T10]      netlink_rcv_skb+0x130/0x360
[ 8512.242180][   T10]      netlink_unicast+0x449/0x710
[ 8512.242180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8512.242180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8512.242180][   T10]      ___sys_sendmsg+0xee/0x170
[ 8512.242180][   T10]      __sys_sendmsg+0xcd/0x170
[ 8512.242180][   T10]      do_syscall_64+0xc6/0x1e0
[ 8512.242180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8512.242180][   T10] 
[ 8514.242769][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8514.243220][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8514.243220][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8514.243220][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8514.243220][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8514.243220][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8514.243220][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8514.243220][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8514.243220][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8514.243220][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8514.243220][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8514.243220][ T1078]      netlink_unicast+0x449/0x710
[ 8514.243220][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8514.243220][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8514.243220][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8514.243220][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8514.243220][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8514.243220][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8514.243220][ T1078] 
[ 8514.245711][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8514.245711][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8514.245711][ T1078]      ipv6_find_idev+0x102/0x170
[ 8514.245711][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8514.245711][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8514.245711][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8514.245711][ T1078]      netlink_unicast+0x449/0x710
[ 8514.245711][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8514.245711][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8514.245711][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8514.245711][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8514.245711][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8514.245711][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8514.245711][ T1078] 
[ 8514.247660][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8514.247660][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8514.247660][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8514.247660][ T1078]      ipv6_find_idev+0x102/0x170
[ 8514.247660][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8514.247660][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8514.247660][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8514.247660][ T1078]      netlink_unicast+0x449/0x710
[ 8514.247660][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8514.247660][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8514.247660][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8514.247660][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8514.247660][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8514.247660][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8514.247660][ T1078] 
[ 8522.274838][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8522.275209][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8522.275209][   T10]      netdev_get_by_index+0x5e/0x80
[ 8522.275209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8522.275209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8522.275209][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8522.275209][   T10]      ipv6_add_addr+0x411/0x2000
[ 8522.275209][   T10]      inet6_addr_add+0x30e/0xa40
[ 8522.275209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8522.275209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.275209][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.275209][   T10]      netlink_unicast+0x449/0x710
[ 8522.275209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.275209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.275209][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.275209][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.275209][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.275209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.275209][   T10] 
[ 8522.277252][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8522.277252][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8522.277252][   T10]      ipv6_find_idev+0x102/0x170
[ 8522.277252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8522.277252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.277252][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.277252][   T10]      netlink_unicast+0x449/0x710
[ 8522.277252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.277252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.277252][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.277252][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.277252][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.277252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.277252][   T10] 
[ 8522.278828][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8522.278828][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8522.278828][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8522.278828][   T10]      ipv6_find_idev+0x102/0x170
[ 8522.278828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8522.278828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.278828][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.278828][   T10]      netlink_unicast+0x449/0x710
[ 8522.278828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.278828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.278828][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.278828][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.278828][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.278828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.278828][   T10] 
[ 8522.280551][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8522.280851][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8522.280851][   T10]      netdev_get_by_index+0x5e/0x80
[ 8522.280851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8522.280851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8522.280851][   T10]      ip6_route_add+0x1c/0x140
[ 8522.280851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8522.280851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8522.280851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8522.280851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.280851][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.280851][   T10]      netlink_unicast+0x449/0x710
[ 8522.280851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.280851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.280851][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.280851][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.280851][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.280851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.280851][   T10] 
[ 8522.282904][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8522.282904][   T10]      netdev_get_by_index+0x5e/0x80
[ 8522.282904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8522.282904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8522.282904][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8522.282904][   T10]      ipv6_add_addr+0x411/0x2000
[ 8522.282904][   T10]      inet6_addr_add+0x30e/0xa40
[ 8522.282904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8522.282904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.282904][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.282904][   T10]      netlink_unicast+0x449/0x710
[ 8522.282904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.282904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.282904][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.282904][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.282904][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.282904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.282904][   T10] 
[ 8522.284947][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8522.284947][   T10]      netdev_get_by_index+0x5e/0x80
[ 8522.284947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8522.284947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8522.284947][   T10]      ip6_route_add+0x1c/0x140
[ 8522.284947][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8522.284947][   T10]      addrconf_add_dev+0xe2/0x170
[ 8522.284947][   T10]      inet6_addr_add+0x12f/0xa40
[ 8522.284947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8522.284947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.284947][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.284947][   T10]      netlink_unicast+0x449/0x710
[ 8522.284947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.284947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.284947][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.284947][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.284947][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.284947][   T10] 
[ 8522.286948][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8522.286948][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8522.286948][   T10]      ipv6_find_idev+0x102/0x170
[ 8522.286948][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8522.286948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.286948][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.286948][   T10]      netlink_unicast+0x449/0x710
[ 8522.286948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.286948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.286948][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.286948][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.286948][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.286948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.286948][   T10] 
[ 8522.288515][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8522.288515][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8522.288515][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8522.288515][   T10]      ipv6_find_idev+0x102/0x170
[ 8522.288515][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8522.288515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8522.288515][   T10]      netlink_rcv_skb+0x130/0x360
[ 8522.288515][   T10]      netlink_unicast+0x449/0x710
[ 8522.288515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8522.288515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8522.288515][   T10]      ___sys_sendmsg+0xee/0x170
[ 8522.288515][   T10]      __sys_sendmsg+0xcd/0x170
[ 8522.288515][   T10]      do_syscall_64+0xc6/0x1e0
[ 8522.288515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8522.288515][   T10] 
[ 8524.490755][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8524.491213][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8524.491213][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8524.491213][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8524.491213][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8524.491213][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8524.491213][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8524.491213][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8524.491213][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8524.491213][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8524.491213][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8524.491213][ T1078]      netlink_unicast+0x449/0x710
[ 8524.491213][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8524.491213][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8524.491213][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8524.491213][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8524.491213][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8524.491213][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8524.491213][ T1078] 
[ 8524.493706][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8524.493706][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8524.493706][ T1078]      ipv6_find_idev+0x102/0x170
[ 8524.493706][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8524.493706][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8524.493706][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8524.493706][ T1078]      netlink_unicast+0x449/0x710
[ 8524.493706][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8524.493706][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8524.493706][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8524.493706][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8524.493706][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8524.493706][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8524.493706][ T1078] 
[ 8524.495683][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8524.495683][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8524.495683][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8524.495683][ T1078]      ipv6_find_idev+0x102/0x170
[ 8524.495683][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8524.495683][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8524.495683][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8524.495683][ T1078]      netlink_unicast+0x449/0x710
[ 8524.495683][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8524.495683][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8524.495683][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8524.495683][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8524.495683][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8524.495683][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8524.495683][ T1078] 
[ 8532.530739][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8532.531121][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8532.531121][   T10]      netdev_get_by_index+0x5e/0x80
[ 8532.531121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8532.531121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8532.531121][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8532.531121][   T10]      ipv6_add_addr+0x411/0x2000
[ 8532.531121][   T10]      inet6_addr_add+0x30e/0xa40
[ 8532.531121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8532.531121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.531121][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.531121][   T10]      netlink_unicast+0x449/0x710
[ 8532.531121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.531121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.531121][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.531121][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.531121][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.531121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.531121][   T10] 
[ 8532.533156][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8532.533156][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8532.533156][   T10]      ipv6_find_idev+0x102/0x170
[ 8532.533156][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8532.533156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.533156][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.533156][   T10]      netlink_unicast+0x449/0x710
[ 8532.533156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.533156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.533156][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.533156][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.533156][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.533156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.533156][   T10] 
[ 8532.534734][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8532.534734][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8532.534734][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8532.534734][   T10]      ipv6_find_idev+0x102/0x170
[ 8532.534734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8532.534734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.534734][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.534734][   T10]      netlink_unicast+0x449/0x710
[ 8532.534734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.534734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.534734][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.534734][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.534734][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.534734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.534734][   T10] 
[ 8532.536500][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8532.536762][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8532.536762][   T10]      netdev_get_by_index+0x5e/0x80
[ 8532.536762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8532.536762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8532.536762][   T10]      ip6_route_add+0x1c/0x140
[ 8532.536762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8532.536762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8532.536762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8532.536762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.536762][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.536762][   T10]      netlink_unicast+0x449/0x710
[ 8532.536762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.536762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.536762][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.536762][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.536762][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.536762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.536762][   T10] 
[ 8532.538854][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8532.538854][   T10]      netdev_get_by_index+0x5e/0x80
[ 8532.538854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8532.538854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8532.538854][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8532.538854][   T10]      ipv6_add_addr+0x411/0x2000
[ 8532.538854][   T10]      inet6_addr_add+0x30e/0xa40
[ 8532.538854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8532.538854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.538854][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.538854][   T10]      netlink_unicast+0x449/0x710
[ 8532.538854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.538854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.538854][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.538854][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.538854][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.538854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.538854][   T10] 
[ 8532.540925][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8532.540925][   T10]      netdev_get_by_index+0x5e/0x80
[ 8532.540925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8532.540925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8532.540925][   T10]      ip6_route_add+0x1c/0x140
[ 8532.540925][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8532.540925][   T10]      addrconf_add_dev+0xe2/0x170
[ 8532.540925][   T10]      inet6_addr_add+0x12f/0xa40
[ 8532.540925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8532.540925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.540925][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.540925][   T10]      netlink_unicast+0x449/0x710
[ 8532.540925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.540925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.540925][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.540925][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.540925][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.540925][   T10] 
[ 8532.542935][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8532.542935][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8532.542935][   T10]      ipv6_find_idev+0x102/0x170
[ 8532.542935][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8532.542935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.542935][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.542935][   T10]      netlink_unicast+0x449/0x710
[ 8532.542935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.542935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.542935][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.542935][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.542935][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.542935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.542935][   T10] 
[ 8532.544558][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8532.544558][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8532.544558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8532.544558][   T10]      ipv6_find_idev+0x102/0x170
[ 8532.544558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8532.544558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8532.544558][   T10]      netlink_rcv_skb+0x130/0x360
[ 8532.544558][   T10]      netlink_unicast+0x449/0x710
[ 8532.544558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8532.544558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8532.544558][   T10]      ___sys_sendmsg+0xee/0x170
[ 8532.544558][   T10]      __sys_sendmsg+0xcd/0x170
[ 8532.544558][   T10]      do_syscall_64+0xc6/0x1e0
[ 8532.544558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8532.544558][   T10] 
[ 8534.738761][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8534.739185][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8534.739185][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8534.739185][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8534.739185][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8534.739185][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8534.739185][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8534.739185][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8534.739185][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8534.739185][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8534.739185][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8534.739185][ T1078]      netlink_unicast+0x449/0x710
[ 8534.739185][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8534.739185][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8534.739185][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8534.739185][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8534.739185][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8534.739185][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8534.739185][ T1078] 
[ 8534.741553][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8534.741553][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8534.741553][ T1078]      ipv6_find_idev+0x102/0x170
[ 8534.741553][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8534.741553][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8534.741553][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8534.741553][ T1078]      netlink_unicast+0x449/0x710
[ 8534.741553][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8534.741553][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8534.741553][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8534.741553][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8534.741553][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8534.741553][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8534.741553][ T1078] 
[ 8534.743283][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8534.743283][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8534.743283][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8534.743283][ T1078]      ipv6_find_idev+0x102/0x170
[ 8534.743283][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8534.743283][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8534.743283][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8534.743283][ T1078]      netlink_unicast+0x449/0x710
[ 8534.743283][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8534.743283][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8534.743283][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8534.743283][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8534.743283][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8534.743283][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8534.743283][ T1078] 
[ 8542.786738][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8542.787155][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8542.787155][   T10]      netdev_get_by_index+0x5e/0x80
[ 8542.787155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8542.787155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8542.787155][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8542.787155][   T10]      ipv6_add_addr+0x411/0x2000
[ 8542.787155][   T10]      inet6_addr_add+0x30e/0xa40
[ 8542.787155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8542.787155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.787155][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.787155][   T10]      netlink_unicast+0x449/0x710
[ 8542.787155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.787155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.787155][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.787155][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.787155][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.787155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.787155][   T10] 
[ 8542.789170][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8542.789170][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8542.789170][   T10]      ipv6_find_idev+0x102/0x170
[ 8542.789170][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8542.789170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.789170][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.789170][   T10]      netlink_unicast+0x449/0x710
[ 8542.789170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.789170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.789170][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.789170][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.789170][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.789170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.789170][   T10] 
[ 8542.790710][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8542.790710][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8542.790710][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8542.790710][   T10]      ipv6_find_idev+0x102/0x170
[ 8542.790710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8542.790710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.790710][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.790710][   T10]      netlink_unicast+0x449/0x710
[ 8542.790710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.790710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.790710][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.790710][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.790710][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.790710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.790710][   T10] 
[ 8542.792395][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8542.792639][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8542.792639][   T10]      netdev_get_by_index+0x5e/0x80
[ 8542.792639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8542.792639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8542.792639][   T10]      ip6_route_add+0x1c/0x140
[ 8542.792639][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8542.792639][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8542.792639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8542.792639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.792639][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.792639][   T10]      netlink_unicast+0x449/0x710
[ 8542.792639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.792639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.792639][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.792639][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.792639][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.792639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.792639][   T10] 
[ 8542.794653][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8542.794653][   T10]      netdev_get_by_index+0x5e/0x80
[ 8542.794653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8542.794653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8542.794653][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8542.794653][   T10]      ipv6_add_addr+0x411/0x2000
[ 8542.794653][   T10]      inet6_addr_add+0x30e/0xa40
[ 8542.794653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8542.794653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.794653][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.794653][   T10]      netlink_unicast+0x449/0x710
[ 8542.794653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.794653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.794653][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.794653][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.794653][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.794653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.794653][   T10] 
[ 8542.796666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8542.796666][   T10]      netdev_get_by_index+0x5e/0x80
[ 8542.796666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8542.796666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8542.796666][   T10]      ip6_route_add+0x1c/0x140
[ 8542.796666][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8542.796666][   T10]      addrconf_add_dev+0xe2/0x170
[ 8542.796666][   T10]      inet6_addr_add+0x12f/0xa40
[ 8542.796666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8542.796666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.796666][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.796666][   T10]      netlink_unicast+0x449/0x710
[ 8542.796666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.796666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.796666][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.796666][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.796666][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.796666][   T10] 
[ 8542.798645][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8542.798645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8542.798645][   T10]      ipv6_find_idev+0x102/0x170
[ 8542.798645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8542.798645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.798645][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.798645][   T10]      netlink_unicast+0x449/0x710
[ 8542.798645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.798645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.798645][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.798645][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.798645][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.798645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.798645][   T10] 
[ 8542.800191][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8542.800191][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8542.800191][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8542.800191][   T10]      ipv6_find_idev+0x102/0x170
[ 8542.800191][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8542.800191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8542.800191][   T10]      netlink_rcv_skb+0x130/0x360
[ 8542.800191][   T10]      netlink_unicast+0x449/0x710
[ 8542.800191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8542.800191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8542.800191][   T10]      ___sys_sendmsg+0xee/0x170
[ 8542.800191][   T10]      __sys_sendmsg+0xcd/0x170
[ 8542.800191][   T10]      do_syscall_64+0xc6/0x1e0
[ 8542.800191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8542.800191][   T10] 
[ 8544.986752][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8544.987234][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8544.987234][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8544.987234][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8544.987234][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8544.987234][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8544.987234][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8544.987234][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8544.987234][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8544.987234][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8544.987234][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8544.987234][ T1078]      netlink_unicast+0x449/0x710
[ 8544.987234][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8544.987234][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8544.987234][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8544.987234][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8544.987234][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8544.987234][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8544.987234][ T1078] 
[ 8544.989498][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8544.989498][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8544.989498][ T1078]      ipv6_find_idev+0x102/0x170
[ 8544.989498][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8544.989498][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8544.989498][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8544.989498][ T1078]      netlink_unicast+0x449/0x710
[ 8544.989498][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8544.989498][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8544.989498][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8544.989498][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8544.989498][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8544.989498][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8544.989498][ T1078] 
[ 8544.991241][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8544.991241][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8544.991241][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8544.991241][ T1078]      ipv6_find_idev+0x102/0x170
[ 8544.991241][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8544.991241][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8544.991241][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8544.991241][ T1078]      netlink_unicast+0x449/0x710
[ 8544.991241][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8544.991241][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8544.991241][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8544.991241][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8544.991241][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8544.991241][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8544.991241][ T1078] 
[ 8552.962740][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8552.963119][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8552.963119][   T10]      netdev_get_by_index+0x5e/0x80
[ 8552.963119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8552.963119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8552.963119][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8552.963119][   T10]      ipv6_add_addr+0x411/0x2000
[ 8552.963119][   T10]      inet6_addr_add+0x30e/0xa40
[ 8552.963119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8552.963119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.963119][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.963119][   T10]      netlink_unicast+0x449/0x710
[ 8552.963119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.963119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.963119][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.963119][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.963119][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.963119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.963119][   T10] 
[ 8552.965225][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8552.965225][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8552.965225][   T10]      ipv6_find_idev+0x102/0x170
[ 8552.965225][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8552.965225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.965225][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.965225][   T10]      netlink_unicast+0x449/0x710
[ 8552.965225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.965225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.965225][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.965225][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.965225][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.965225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.965225][   T10] 
[ 8552.966835][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8552.966835][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8552.966835][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8552.966835][   T10]      ipv6_find_idev+0x102/0x170
[ 8552.966835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8552.966835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.966835][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.966835][   T10]      netlink_unicast+0x449/0x710
[ 8552.966835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.966835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.966835][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.966835][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.966835][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.966835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.966835][   T10] 
[ 8552.968601][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8552.968859][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8552.968859][   T10]      netdev_get_by_index+0x5e/0x80
[ 8552.968859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8552.968859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8552.968859][   T10]      ip6_route_add+0x1c/0x140
[ 8552.968859][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8552.968859][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8552.968859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8552.968859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.968859][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.968859][   T10]      netlink_unicast+0x449/0x710
[ 8552.968859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.968859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.968859][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.968859][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.968859][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.968859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.968859][   T10] 
[ 8552.970922][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8552.970922][   T10]      netdev_get_by_index+0x5e/0x80
[ 8552.970922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8552.970922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8552.970922][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8552.970922][   T10]      ipv6_add_addr+0x411/0x2000
[ 8552.970922][   T10]      inet6_addr_add+0x30e/0xa40
[ 8552.970922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8552.970922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.970922][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.970922][   T10]      netlink_unicast+0x449/0x710
[ 8552.970922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.970922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.970922][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.970922][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.970922][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.970922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.970922][   T10] 
[ 8552.972966][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8552.972966][   T10]      netdev_get_by_index+0x5e/0x80
[ 8552.972966][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8552.972966][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8552.972966][   T10]      ip6_route_add+0x1c/0x140
[ 8552.972966][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8552.972966][   T10]      addrconf_add_dev+0xe2/0x170
[ 8552.972966][   T10]      inet6_addr_add+0x12f/0xa40
[ 8552.972966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8552.972966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.972966][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.972966][   T10]      netlink_unicast+0x449/0x710
[ 8552.972966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.972966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.972966][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.972966][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.972966][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.972966][   T10] 
[ 8552.974982][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8552.974982][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8552.974982][   T10]      ipv6_find_idev+0x102/0x170
[ 8552.974982][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8552.974982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.974982][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.974982][   T10]      netlink_unicast+0x449/0x710
[ 8552.974982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.974982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.974982][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.974982][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.974982][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.974982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.974982][   T10] 
[ 8552.976554][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8552.976554][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8552.976554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8552.976554][   T10]      ipv6_find_idev+0x102/0x170
[ 8552.976554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8552.976554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8552.976554][   T10]      netlink_rcv_skb+0x130/0x360
[ 8552.976554][   T10]      netlink_unicast+0x449/0x710
[ 8552.976554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8552.976554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8552.976554][   T10]      ___sys_sendmsg+0xee/0x170
[ 8552.976554][   T10]      __sys_sendmsg+0xcd/0x170
[ 8552.976554][   T10]      do_syscall_64+0xc6/0x1e0
[ 8552.976554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8552.976554][   T10] 
[ 8555.098809][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8555.099288][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8555.099288][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8555.099288][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8555.099288][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8555.099288][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8555.099288][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8555.099288][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8555.099288][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8555.099288][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8555.099288][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8555.099288][ T1078]      netlink_unicast+0x449/0x710
[ 8555.099288][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8555.099288][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8555.099288][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8555.099288][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8555.099288][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8555.099288][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8555.099288][ T1078] 
[ 8555.101548][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8555.101548][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8555.101548][ T1078]      ipv6_find_idev+0x102/0x170
[ 8555.101548][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8555.101548][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8555.101548][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8555.101548][ T1078]      netlink_unicast+0x449/0x710
[ 8555.101548][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8555.101548][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8555.101548][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8555.101548][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8555.101548][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8555.101548][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8555.101548][ T1078] 
[ 8555.103280][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8555.103280][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8555.103280][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8555.103280][ T1078]      ipv6_find_idev+0x102/0x170
[ 8555.103280][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8555.103280][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8555.103280][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8555.103280][ T1078]      netlink_unicast+0x449/0x710
[ 8555.103280][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8555.103280][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8555.103280][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8555.103280][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8555.103280][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8555.103280][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8555.103280][ T1078] 
[ 8563.010814][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8563.011178][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8563.011178][   T10]      netdev_get_by_index+0x5e/0x80
[ 8563.011178][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8563.011178][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8563.011178][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8563.011178][   T10]      ipv6_add_addr+0x411/0x2000
[ 8563.011178][   T10]      inet6_addr_add+0x30e/0xa40
[ 8563.011178][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8563.011178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.011178][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.011178][   T10]      netlink_unicast+0x449/0x710
[ 8563.011178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.011178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.011178][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.011178][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.011178][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.011178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.011178][   T10] 
[ 8563.013201][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8563.013201][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8563.013201][   T10]      ipv6_find_idev+0x102/0x170
[ 8563.013201][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8563.013201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.013201][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.013201][   T10]      netlink_unicast+0x449/0x710
[ 8563.013201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.013201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.013201][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.013201][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.013201][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.013201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.013201][   T10] 
[ 8563.014751][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8563.014751][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8563.014751][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8563.014751][   T10]      ipv6_find_idev+0x102/0x170
[ 8563.014751][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8563.014751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.014751][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.014751][   T10]      netlink_unicast+0x449/0x710
[ 8563.014751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.014751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.014751][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.014751][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.014751][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.014751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.014751][   T10] 
[ 8563.016432][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8563.016687][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8563.016687][   T10]      netdev_get_by_index+0x5e/0x80
[ 8563.016687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8563.016687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8563.016687][   T10]      ip6_route_add+0x1c/0x140
[ 8563.016687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8563.016687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8563.016687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8563.016687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.016687][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.016687][   T10]      netlink_unicast+0x449/0x710
[ 8563.016687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.016687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.016687][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.016687][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.016687][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.016687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.016687][   T10] 
[ 8563.018672][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8563.018672][   T10]      netdev_get_by_index+0x5e/0x80
[ 8563.018672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8563.018672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8563.018672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8563.018672][   T10]      ipv6_add_addr+0x411/0x2000
[ 8563.018672][   T10]      inet6_addr_add+0x30e/0xa40
[ 8563.018672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8563.018672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.018672][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.018672][   T10]      netlink_unicast+0x449/0x710
[ 8563.018672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.018672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.018672][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.018672][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.018672][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.018672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.018672][   T10] 
[ 8563.020669][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8563.020669][   T10]      netdev_get_by_index+0x5e/0x80
[ 8563.020669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8563.020669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8563.020669][   T10]      ip6_route_add+0x1c/0x140
[ 8563.020669][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8563.020669][   T10]      addrconf_add_dev+0xe2/0x170
[ 8563.020669][   T10]      inet6_addr_add+0x12f/0xa40
[ 8563.020669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8563.020669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.020669][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.020669][   T10]      netlink_unicast+0x449/0x710
[ 8563.020669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.020669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.020669][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.020669][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.020669][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.020669][   T10] 
[ 8563.022617][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8563.022617][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8563.022617][   T10]      ipv6_find_idev+0x102/0x170
[ 8563.022617][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8563.022617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.022617][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.022617][   T10]      netlink_unicast+0x449/0x710
[ 8563.022617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.022617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.022617][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.022617][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.022617][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.022617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.022617][   T10] 
[ 8563.024152][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8563.024152][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8563.024152][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8563.024152][   T10]      ipv6_find_idev+0x102/0x170
[ 8563.024152][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8563.024152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8563.024152][   T10]      netlink_rcv_skb+0x130/0x360
[ 8563.024152][   T10]      netlink_unicast+0x449/0x710
[ 8563.024152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8563.024152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8563.024152][   T10]      ___sys_sendmsg+0xee/0x170
[ 8563.024152][   T10]      __sys_sendmsg+0xcd/0x170
[ 8563.024152][   T10]      do_syscall_64+0xc6/0x1e0
[ 8563.024152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8563.024152][   T10] 
[ 8565.314811][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8565.315237][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8565.315237][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8565.315237][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8565.315237][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8565.315237][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8565.315237][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8565.315237][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8565.315237][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8565.315237][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8565.315237][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8565.315237][ T1078]      netlink_unicast+0x449/0x710
[ 8565.315237][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8565.315237][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8565.315237][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8565.315237][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8565.315237][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8565.315237][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8565.315237][ T1078] 
[ 8565.317511][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8565.317511][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8565.317511][ T1078]      ipv6_find_idev+0x102/0x170
[ 8565.317511][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8565.317511][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8565.317511][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8565.317511][ T1078]      netlink_unicast+0x449/0x710
[ 8565.317511][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8565.317511][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8565.317511][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8565.317511][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8565.317511][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8565.317511][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8565.317511][ T1078] 
[ 8565.319248][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8565.319248][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8565.319248][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8565.319248][ T1078]      ipv6_find_idev+0x102/0x170
[ 8565.319248][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8565.319248][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8565.319248][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8565.319248][ T1078]      netlink_unicast+0x449/0x710
[ 8565.319248][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8565.319248][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8565.319248][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8565.319248][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8565.319248][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8565.319248][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8565.319248][ T1078] 
[ 8573.266797][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8573.267144][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8573.267144][   T10]      netdev_get_by_index+0x5e/0x80
[ 8573.267144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8573.267144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8573.267144][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8573.267144][   T10]      ipv6_add_addr+0x411/0x2000
[ 8573.267144][   T10]      inet6_addr_add+0x30e/0xa40
[ 8573.267144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8573.267144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.267144][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.267144][   T10]      netlink_unicast+0x449/0x710
[ 8573.267144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.267144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.267144][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.267144][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.267144][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.267144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.267144][   T10] 
[ 8573.269169][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8573.269169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8573.269169][   T10]      ipv6_find_idev+0x102/0x170
[ 8573.269169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8573.269169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.269169][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.269169][   T10]      netlink_unicast+0x449/0x710
[ 8573.269169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.269169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.269169][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.269169][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.269169][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.269169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.269169][   T10] 
[ 8573.270711][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8573.270711][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8573.270711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8573.270711][   T10]      ipv6_find_idev+0x102/0x170
[ 8573.270711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8573.270711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.270711][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.270711][   T10]      netlink_unicast+0x449/0x710
[ 8573.270711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.270711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.270711][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.270711][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.270711][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.270711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.270711][   T10] 
[ 8573.272397][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8573.272640][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8573.272640][   T10]      netdev_get_by_index+0x5e/0x80
[ 8573.272640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8573.272640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8573.272640][   T10]      ip6_route_add+0x1c/0x140
[ 8573.272640][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8573.272640][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8573.272640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8573.272640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.272640][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.272640][   T10]      netlink_unicast+0x449/0x710
[ 8573.272640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.272640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.272640][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.272640][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.272640][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.272640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.272640][   T10] 
[ 8573.274676][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8573.274676][   T10]      netdev_get_by_index+0x5e/0x80
[ 8573.274676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8573.274676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8573.274676][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8573.274676][   T10]      ipv6_add_addr+0x411/0x2000
[ 8573.274676][   T10]      inet6_addr_add+0x30e/0xa40
[ 8573.274676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8573.274676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.274676][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.274676][   T10]      netlink_unicast+0x449/0x710
[ 8573.274676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.274676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.274676][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.274676][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.274676][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.274676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.274676][   T10] 
[ 8573.276675][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8573.276675][   T10]      netdev_get_by_index+0x5e/0x80
[ 8573.276675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8573.276675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8573.276675][   T10]      ip6_route_add+0x1c/0x140
[ 8573.276675][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8573.276675][   T10]      addrconf_add_dev+0xe2/0x170
[ 8573.276675][   T10]      inet6_addr_add+0x12f/0xa40
[ 8573.276675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8573.276675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.276675][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.276675][   T10]      netlink_unicast+0x449/0x710
[ 8573.276675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.276675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.276675][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.276675][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.276675][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.276675][   T10] 
[ 8573.278634][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8573.278634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8573.278634][   T10]      ipv6_find_idev+0x102/0x170
[ 8573.278634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8573.278634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.278634][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.278634][   T10]      netlink_unicast+0x449/0x710
[ 8573.278634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.278634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.278634][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.278634][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.278634][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.278634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.278634][   T10] 
[ 8573.280170][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8573.280170][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8573.280170][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8573.280170][   T10]      ipv6_find_idev+0x102/0x170
[ 8573.280170][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8573.280170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8573.280170][   T10]      netlink_rcv_skb+0x130/0x360
[ 8573.280170][   T10]      netlink_unicast+0x449/0x710
[ 8573.280170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8573.280170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8573.280170][   T10]      ___sys_sendmsg+0xee/0x170
[ 8573.280170][   T10]      __sys_sendmsg+0xcd/0x170
[ 8573.280170][   T10]      do_syscall_64+0xc6/0x1e0
[ 8573.280170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8573.280170][   T10] 
[ 8575.562743][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8575.563153][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8575.563153][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8575.563153][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8575.563153][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8575.563153][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8575.563153][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8575.563153][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8575.563153][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8575.563153][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8575.563153][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8575.563153][ T1078]      netlink_unicast+0x449/0x710
[ 8575.563153][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8575.563153][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8575.563153][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8575.563153][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8575.563153][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8575.563153][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8575.563153][ T1078] 
[ 8575.565433][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8575.565433][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8575.565433][ T1078]      ipv6_find_idev+0x102/0x170
[ 8575.565433][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8575.565433][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8575.565433][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8575.565433][ T1078]      netlink_unicast+0x449/0x710
[ 8575.565433][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8575.565433][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8575.565433][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8575.565433][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8575.565433][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8575.565433][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8575.565433][ T1078] 
[ 8575.567166][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8575.567166][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8575.567166][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8575.567166][ T1078]      ipv6_find_idev+0x102/0x170
[ 8575.567166][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8575.567166][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8575.567166][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8575.567166][ T1078]      netlink_unicast+0x449/0x710
[ 8575.567166][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8575.567166][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8575.567166][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8575.567166][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8575.567166][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8575.567166][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8575.567166][ T1078] 
[ 8583.522731][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8583.523105][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8583.523105][   T10]      netdev_get_by_index+0x5e/0x80
[ 8583.523105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8583.523105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8583.523105][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8583.523105][   T10]      ipv6_add_addr+0x411/0x2000
[ 8583.523105][   T10]      inet6_addr_add+0x30e/0xa40
[ 8583.523105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8583.523105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.523105][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.523105][   T10]      netlink_unicast+0x449/0x710
[ 8583.523105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.523105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.523105][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.523105][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.523105][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.523105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.523105][   T10] 
[ 8583.525162][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8583.525162][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8583.525162][   T10]      ipv6_find_idev+0x102/0x170
[ 8583.525162][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8583.525162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.525162][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.525162][   T10]      netlink_unicast+0x449/0x710
[ 8583.525162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.525162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.525162][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.525162][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.525162][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.525162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.525162][   T10] 
[ 8583.526718][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8583.526718][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8583.526718][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8583.526718][   T10]      ipv6_find_idev+0x102/0x170
[ 8583.526718][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8583.526718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.526718][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.526718][   T10]      netlink_unicast+0x449/0x710
[ 8583.526718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.526718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.526718][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.526718][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.526718][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.526718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.526718][   T10] 
[ 8583.528400][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8583.528643][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8583.528643][   T10]      netdev_get_by_index+0x5e/0x80
[ 8583.528643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8583.528643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8583.528643][   T10]      ip6_route_add+0x1c/0x140
[ 8583.528643][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8583.528643][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8583.528643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8583.528643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.528643][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.528643][   T10]      netlink_unicast+0x449/0x710
[ 8583.528643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.528643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.528643][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.528643][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.528643][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.528643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.528643][   T10] 
[ 8583.530636][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8583.530636][   T10]      netdev_get_by_index+0x5e/0x80
[ 8583.530636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8583.530636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8583.530636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8583.530636][   T10]      ipv6_add_addr+0x411/0x2000
[ 8583.530636][   T10]      inet6_addr_add+0x30e/0xa40
[ 8583.530636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8583.530636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.530636][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.530636][   T10]      netlink_unicast+0x449/0x710
[ 8583.530636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.530636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.530636][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.530636][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.530636][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.530636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.530636][   T10] 
[ 8583.532639][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8583.532639][   T10]      netdev_get_by_index+0x5e/0x80
[ 8583.532639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8583.532639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8583.532639][   T10]      ip6_route_add+0x1c/0x140
[ 8583.532639][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8583.532639][   T10]      addrconf_add_dev+0xe2/0x170
[ 8583.532639][   T10]      inet6_addr_add+0x12f/0xa40
[ 8583.532639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8583.532639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.532639][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.532639][   T10]      netlink_unicast+0x449/0x710
[ 8583.532639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.532639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.532639][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.532639][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.532639][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.532639][   T10] 
[ 8583.534615][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8583.534615][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8583.534615][   T10]      ipv6_find_idev+0x102/0x170
[ 8583.534615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8583.534615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.534615][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.534615][   T10]      netlink_unicast+0x449/0x710
[ 8583.534615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.534615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.534615][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.534615][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.534615][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.534615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.534615][   T10] 
[ 8583.536147][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8583.536147][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8583.536147][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8583.536147][   T10]      ipv6_find_idev+0x102/0x170
[ 8583.536147][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8583.536147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8583.536147][   T10]      netlink_rcv_skb+0x130/0x360
[ 8583.536147][   T10]      netlink_unicast+0x449/0x710
[ 8583.536147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8583.536147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8583.536147][   T10]      ___sys_sendmsg+0xee/0x170
[ 8583.536147][   T10]      __sys_sendmsg+0xcd/0x170
[ 8583.536147][   T10]      do_syscall_64+0xc6/0x1e0
[ 8583.536147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8583.536147][   T10] 
[ 8585.810812][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8585.811255][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8585.811255][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8585.811255][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8585.811255][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8585.811255][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8585.811255][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8585.811255][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8585.811255][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8585.811255][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8585.811255][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8585.811255][ T1078]      netlink_unicast+0x449/0x710
[ 8585.811255][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8585.811255][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8585.811255][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8585.811255][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8585.811255][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8585.811255][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8585.811255][ T1078] 
[ 8585.813524][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8585.813524][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8585.813524][ T1078]      ipv6_find_idev+0x102/0x170
[ 8585.813524][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8585.813524][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8585.813524][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8585.813524][ T1078]      netlink_unicast+0x449/0x710
[ 8585.813524][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8585.813524][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8585.813524][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8585.813524][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8585.813524][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8585.813524][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8585.813524][ T1078] 
[ 8585.815306][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8585.815306][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8585.815306][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8585.815306][ T1078]      ipv6_find_idev+0x102/0x170
[ 8585.815306][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8585.815306][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8585.815306][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8585.815306][ T1078]      netlink_unicast+0x449/0x710
[ 8585.815306][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8585.815306][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8585.815306][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8585.815306][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8585.815306][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8585.815306][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8585.815306][ T1078] 
[ 8593.778872][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8593.779301][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8593.779301][   T10]      netdev_get_by_index+0x5e/0x80
[ 8593.779301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8593.779301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8593.779301][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8593.779301][   T10]      ipv6_add_addr+0x411/0x2000
[ 8593.779301][   T10]      inet6_addr_add+0x30e/0xa40
[ 8593.779301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8593.779301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.779301][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.779301][   T10]      netlink_unicast+0x449/0x710
[ 8593.779301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.779301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.779301][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.779301][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.779301][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.779301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.779301][   T10] 
[ 8593.781307][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8593.781307][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8593.781307][   T10]      ipv6_find_idev+0x102/0x170
[ 8593.781307][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8593.781307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.781307][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.781307][   T10]      netlink_unicast+0x449/0x710
[ 8593.781307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.781307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.781307][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.781307][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.781307][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.781307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.781307][   T10] 
[ 8593.782841][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8593.782841][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8593.782841][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8593.782841][   T10]      ipv6_find_idev+0x102/0x170
[ 8593.782841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8593.782841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.782841][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.782841][   T10]      netlink_unicast+0x449/0x710
[ 8593.782841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.782841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.782841][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.782841][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.782841][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.782841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.782841][   T10] 
[ 8593.784528][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8593.784787][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8593.784787][   T10]      netdev_get_by_index+0x5e/0x80
[ 8593.784787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8593.784787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8593.784787][   T10]      ip6_route_add+0x1c/0x140
[ 8593.784787][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8593.784787][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8593.784787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8593.784787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.784787][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.784787][   T10]      netlink_unicast+0x449/0x710
[ 8593.784787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.784787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.784787][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.784787][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.784787][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.784787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.784787][   T10] 
[ 8593.786778][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8593.786778][   T10]      netdev_get_by_index+0x5e/0x80
[ 8593.786778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8593.786778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8593.786778][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8593.786778][   T10]      ipv6_add_addr+0x411/0x2000
[ 8593.786778][   T10]      inet6_addr_add+0x30e/0xa40
[ 8593.786778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8593.786778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.786778][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.786778][   T10]      netlink_unicast+0x449/0x710
[ 8593.786778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.786778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.786778][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.786778][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.786778][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.786778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.786778][   T10] 
[ 8593.788762][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8593.788762][   T10]      netdev_get_by_index+0x5e/0x80
[ 8593.788762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8593.788762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8593.788762][   T10]      ip6_route_add+0x1c/0x140
[ 8593.788762][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8593.788762][   T10]      addrconf_add_dev+0xe2/0x170
[ 8593.788762][   T10]      inet6_addr_add+0x12f/0xa40
[ 8593.788762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8593.788762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.788762][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.788762][   T10]      netlink_unicast+0x449/0x710
[ 8593.788762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.788762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.788762][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.788762][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.788762][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.788762][   T10] 
[ 8593.790711][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8593.790711][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8593.790711][   T10]      ipv6_find_idev+0x102/0x170
[ 8593.790711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8593.790711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.790711][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.790711][   T10]      netlink_unicast+0x449/0x710
[ 8593.790711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.790711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.790711][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.790711][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.790711][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.790711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.790711][   T10] 
[ 8593.792234][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8593.792234][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8593.792234][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8593.792234][   T10]      ipv6_find_idev+0x102/0x170
[ 8593.792234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8593.792234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8593.792234][   T10]      netlink_rcv_skb+0x130/0x360
[ 8593.792234][   T10]      netlink_unicast+0x449/0x710
[ 8593.792234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8593.792234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8593.792234][   T10]      ___sys_sendmsg+0xee/0x170
[ 8593.792234][   T10]      __sys_sendmsg+0xcd/0x170
[ 8593.792234][   T10]      do_syscall_64+0xc6/0x1e0
[ 8593.792234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8593.792234][   T10] 
[ 8596.058817][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8596.059364][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8596.059364][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8596.059364][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8596.059364][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8596.059364][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8596.059364][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8596.059364][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8596.059364][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8596.059364][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8596.059364][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8596.059364][ T1078]      netlink_unicast+0x449/0x710
[ 8596.059364][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8596.059364][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8596.059364][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8596.059364][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8596.059364][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8596.059364][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8596.059364][ T1078] 
[ 8596.061863][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8596.061863][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8596.061863][ T1078]      ipv6_find_idev+0x102/0x170
[ 8596.061863][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8596.061863][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8596.061863][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8596.061863][ T1078]      netlink_unicast+0x449/0x710
[ 8596.061863][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8596.061863][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8596.061863][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8596.061863][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8596.061863][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8596.061863][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8596.061863][ T1078] 
[ 8596.063783][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8596.063783][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8596.063783][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8596.063783][ T1078]      ipv6_find_idev+0x102/0x170
[ 8596.063783][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8596.063783][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8596.063783][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8596.063783][ T1078]      netlink_unicast+0x449/0x710
[ 8596.063783][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8596.063783][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8596.063783][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8596.063783][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8596.063783][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8596.063783][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8596.063783][ T1078] 
[ 8602.922798][   T42] INFO: task modprobe:1347 blocked for more than 1228 seconds.
[ 8602.923161][   T42]       Not tainted 6.8.0-virtme #1
[ 8602.923294][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 8602.923530][   T42] task:modprobe        state:D stack:25648 pid:1347  tgid:1347  ppid:60     flags:0x00004002
[ 8602.923837][   T42] Call Trace:
[ 8602.923952][   T42]  <TASK>
[ 8602.924036][   T42]  __schedule+0x705/0x1ac0
[ 8602.924188][   T42]  ? __pfx___schedule+0x10/0x10
[ 8602.924330][   T42]  ? schedule+0x1a5/0x210
[ 8602.924438][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8602.924609][   T42]  ? mark_lock+0x38/0x3e0
[ 8602.924731][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 8602.924873][   T42]  ? schedule+0x1a5/0x210
[ 8602.924981][   T42]  schedule+0xdf/0x210
[ 8602.925087][   T42]  schedule_preempt_disabled+0x15/0x30
[ 8602.925231][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 8602.925378][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 8602.925546][   T42]  ? kasan_save_stack+0x34/0x50
[ 8602.925700][   T42]  ? kasan_save_stack+0x24/0x50
[ 8602.925838][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 8602.925986][   T42]  ? lock_acquire+0x1c1/0x220
[ 8602.926126][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 8602.926274][   T42]  down_write+0x1c9/0x200
[ 8602.926383][   T42]  ? __pfx_down_write+0x10/0x10
[ 8602.926519][   T42]  ? __pfx___lock_release+0x10/0x10
[ 8602.926665][   T42]  ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables]
[ 8602.926893][   T42]  register_pernet_subsys+0x1a/0x50
[ 8602.927032][   T42]  nf_tables_module_init+0x17/0x100 [nf_tables]
[ 8602.927239][   T42]  do_one_initcall+0xc8/0x3f0
[ 8602.927379][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 8602.927523][   T42]  ? __create_object+0x5e/0xb0
[ 8602.927665][   T42]  ? kasan_unpoison+0x27/0x60
[ 8602.927816][   T42]  do_init_module+0x233/0x740
[ 8602.927967][   T42]  load_module+0x16b5/0x2350
[ 8602.928117][   T42]  ? __pfx_load_module+0x10/0x10
[ 8602.928254][   T42]  ? kernel_read_file+0x3d2/0x520
[ 8602.928397][   T42]  ? kernel_read_file+0x300/0x520
[ 8602.928540][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 8602.928707][   T42]  ? init_module_from_file+0xd2/0x130
[ 8602.928848][   T42]  init_module_from_file+0xd2/0x130
[ 8602.928990][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 8602.929164][   T42]  ? __lock_release+0x103/0x460
[ 8602.929300][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8602.929449][   T42]  ? idempotent_init_module+0x32a/0x620
[ 8602.929588][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 8602.929746][   T42]  idempotent_init_module+0x342/0x620
[ 8602.929891][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 8602.930077][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 8602.930216][   T42]  do_syscall_64+0xc6/0x1e0
[ 8602.930358][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8602.930530][   T42] RIP: 0033:0x7f688a3aae5d
[ 8602.930670][   T42] RSP: 002b:00007ffe762723f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 8602.930903][   T42] RAX: ffffffffffffffda RBX: 0000563cbd507e90 RCX: 00007f688a3aae5d
[ 8602.931112][   T42] RDX: 0000000000000000 RSI: 0000563c87a1ea2a RDI: 0000000000000001
[ 8602.931316][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000563cbd5084f0
[ 8602.931519][   T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000563c87a1ea2a
[ 8602.931737][   T42] R13: 0000563cbd507e40 R14: 0000563cbd508570 R15: 0000000000000000
[ 8602.931951][   T42]  </TASK>
[ 8602.932055][   T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 8602.932279][   T42] 
[ 8602.932279][   T42] Showing all locks held in the system:
[ 8602.932480][   T42] 3 locks held by kworker/u16:0/10:
[ 8602.932611][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8602.932907][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8602.933148][   T42]  #2: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 8602.933398][   T42] 1 lock held by khungtaskd/42:
[ 8602.933528][   T42]  #0: ffffffffb77591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 8602.933782][   T42] 2 locks held by kworker/u19:1/60:
[ 8602.933916][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 8602.934200][   T42]  #1: ffffc9000041fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 8602.934509][   T42] 1 lock held by modprobe/1347:
[ 8602.934638][   T42]  #0: ffffffffb7f6a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 8602.934914][   T42] 
[ 8602.934983][   T42] =============================================
[ 8602.934983][   T42] 
[ 8604.034817][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8604.035286][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8604.035286][   T10]      netdev_get_by_index+0x5e/0x80
[ 8604.035286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8604.035286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8604.035286][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8604.035286][   T10]      ipv6_add_addr+0x411/0x2000
[ 8604.035286][   T10]      inet6_addr_add+0x30e/0xa40
[ 8604.035286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8604.035286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.035286][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.035286][   T10]      netlink_unicast+0x449/0x710
[ 8604.035286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.035286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.035286][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.035286][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.035286][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.035286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.035286][   T10] 
[ 8604.037790][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8604.037790][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8604.037790][   T10]      ipv6_find_idev+0x102/0x170
[ 8604.037790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8604.037790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.037790][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.037790][   T10]      netlink_unicast+0x449/0x710
[ 8604.037790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.037790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.037790][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.037790][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.037790][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.037790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.037790][   T10] 
[ 8604.039709][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8604.039709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8604.039709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8604.039709][   T10]      ipv6_find_idev+0x102/0x170
[ 8604.039709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8604.039709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.039709][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.039709][   T10]      netlink_unicast+0x449/0x710
[ 8604.039709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.039709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.039709][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.039709][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.039709][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.039709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.039709][   T10] 
[ 8604.041808][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8604.042092][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8604.042092][   T10]      netdev_get_by_index+0x5e/0x80
[ 8604.042092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8604.042092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8604.042092][   T10]      ip6_route_add+0x1c/0x140
[ 8604.042092][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8604.042092][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8604.042092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8604.042092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.042092][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.042092][   T10]      netlink_unicast+0x449/0x710
[ 8604.042092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.042092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.042092][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.042092][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.042092][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.042092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.042092][   T10] 
[ 8604.044587][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8604.044587][   T10]      netdev_get_by_index+0x5e/0x80
[ 8604.044587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8604.044587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8604.044587][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8604.044587][   T10]      ipv6_add_addr+0x411/0x2000
[ 8604.044587][   T10]      inet6_addr_add+0x30e/0xa40
[ 8604.044587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8604.044587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.044587][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.044587][   T10]      netlink_unicast+0x449/0x710
[ 8604.044587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.044587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.044587][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.044587][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.044587][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.044587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.044587][   T10] 
[ 8604.046964][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8604.046964][   T10]      netdev_get_by_index+0x5e/0x80
[ 8604.046964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8604.046964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8604.046964][   T10]      ip6_route_add+0x1c/0x140
[ 8604.046964][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8604.046964][   T10]      addrconf_add_dev+0xe2/0x170
[ 8604.046964][   T10]      inet6_addr_add+0x12f/0xa40
[ 8604.046964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8604.046964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.046964][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.046964][   T10]      netlink_unicast+0x449/0x710
[ 8604.046964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.046964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.046964][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.046964][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.046964][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.046964][   T10] 
[ 8604.049172][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8604.049172][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8604.049172][   T10]      ipv6_find_idev+0x102/0x170
[ 8604.049172][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8604.049172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.049172][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.049172][   T10]      netlink_unicast+0x449/0x710
[ 8604.049172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.049172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.049172][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.049172][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.049172][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.049172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.049172][   T10] 
[ 8604.050911][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8604.050911][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8604.050911][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8604.050911][   T10]      ipv6_find_idev+0x102/0x170
[ 8604.050911][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8604.050911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8604.050911][   T10]      netlink_rcv_skb+0x130/0x360
[ 8604.050911][   T10]      netlink_unicast+0x449/0x710
[ 8604.050911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8604.050911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8604.050911][   T10]      ___sys_sendmsg+0xee/0x170
[ 8604.050911][   T10]      __sys_sendmsg+0xcd/0x170
[ 8604.050911][   T10]      do_syscall_64+0xc6/0x1e0
[ 8604.050911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8604.050911][   T10] 
[ 8606.098863][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8606.099400][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8606.099400][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8606.099400][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8606.099400][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8606.099400][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8606.099400][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8606.099400][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8606.099400][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8606.099400][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8606.099400][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8606.099400][ T1078]      netlink_unicast+0x449/0x710
[ 8606.099400][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8606.099400][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8606.099400][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8606.099400][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8606.099400][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8606.099400][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8606.099400][ T1078] 
[ 8606.101906][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8606.101906][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8606.101906][ T1078]      ipv6_find_idev+0x102/0x170
[ 8606.101906][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8606.101906][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8606.101906][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8606.101906][ T1078]      netlink_unicast+0x449/0x710
[ 8606.101906][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8606.101906][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8606.101906][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8606.101906][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8606.101906][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8606.101906][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8606.101906][ T1078] 
[ 8606.103824][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8606.103824][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8606.103824][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8606.103824][ T1078]      ipv6_find_idev+0x102/0x170
[ 8606.103824][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8606.103824][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8606.103824][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8606.103824][ T1078]      netlink_unicast+0x449/0x710
[ 8606.103824][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8606.103824][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8606.103824][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8606.103824][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8606.103824][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8606.103824][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8606.103824][ T1078] 
[ 8614.298798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8614.299204][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8614.299204][   T10]      netdev_get_by_index+0x5e/0x80
[ 8614.299204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8614.299204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8614.299204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8614.299204][   T10]      ipv6_add_addr+0x411/0x2000
[ 8614.299204][   T10]      inet6_addr_add+0x30e/0xa40
[ 8614.299204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8614.299204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.299204][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.299204][   T10]      netlink_unicast+0x449/0x710
[ 8614.299204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.299204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.299204][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.299204][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.299204][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.299204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.299204][   T10] 
[ 8614.301421][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8614.301421][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8614.301421][   T10]      ipv6_find_idev+0x102/0x170
[ 8614.301421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8614.301421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.301421][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.301421][   T10]      netlink_unicast+0x449/0x710
[ 8614.301421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.301421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.301421][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.301421][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.301421][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.301421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.301421][   T10] 
[ 8614.303071][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8614.303071][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8614.303071][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8614.303071][   T10]      ipv6_find_idev+0x102/0x170
[ 8614.303071][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8614.303071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.303071][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.303071][   T10]      netlink_unicast+0x449/0x710
[ 8614.303071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.303071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.303071][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.303071][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.303071][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.303071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.303071][   T10] 
[ 8614.304879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8614.305135][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8614.305135][   T10]      netdev_get_by_index+0x5e/0x80
[ 8614.305135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8614.305135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8614.305135][   T10]      ip6_route_add+0x1c/0x140
[ 8614.305135][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8614.305135][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8614.305135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8614.305135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.305135][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.305135][   T10]      netlink_unicast+0x449/0x710
[ 8614.305135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.305135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.305135][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.305135][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.305135][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.305135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.305135][   T10] 
[ 8614.307272][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8614.307272][   T10]      netdev_get_by_index+0x5e/0x80
[ 8614.307272][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8614.307272][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8614.307272][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8614.307272][   T10]      ipv6_add_addr+0x411/0x2000
[ 8614.307272][   T10]      inet6_addr_add+0x30e/0xa40
[ 8614.307272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8614.307272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.307272][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.307272][   T10]      netlink_unicast+0x449/0x710
[ 8614.307272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.307272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.307272][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.307272][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.307272][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.307272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.307272][   T10] 
[ 8614.309397][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8614.309397][   T10]      netdev_get_by_index+0x5e/0x80
[ 8614.309397][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8614.309397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8614.309397][   T10]      ip6_route_add+0x1c/0x140
[ 8614.309397][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8614.309397][   T10]      addrconf_add_dev+0xe2/0x170
[ 8614.309397][   T10]      inet6_addr_add+0x12f/0xa40
[ 8614.309397][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8614.309397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.309397][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.309397][   T10]      netlink_unicast+0x449/0x710
[ 8614.309397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.309397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.309397][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.309397][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.309397][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.309397][   T10] 
[ 8614.311475][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8614.311475][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8614.311475][   T10]      ipv6_find_idev+0x102/0x170
[ 8614.311475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8614.311475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.311475][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.311475][   T10]      netlink_unicast+0x449/0x710
[ 8614.311475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.311475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.311475][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.311475][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.311475][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.311475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.311475][   T10] 
[ 8614.313103][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8614.313103][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8614.313103][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8614.313103][   T10]      ipv6_find_idev+0x102/0x170
[ 8614.313103][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8614.313103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8614.313103][   T10]      netlink_rcv_skb+0x130/0x360
[ 8614.313103][   T10]      netlink_unicast+0x449/0x710
[ 8614.313103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8614.313103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8614.313103][   T10]      ___sys_sendmsg+0xee/0x170
[ 8614.313103][   T10]      __sys_sendmsg+0xcd/0x170
[ 8614.313103][   T10]      do_syscall_64+0xc6/0x1e0
[ 8614.313103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8614.313103][   T10] 
[ 8616.346827][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8616.347331][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8616.347331][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8616.347331][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8616.347331][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8616.347331][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8616.347331][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8616.347331][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8616.347331][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8616.347331][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8616.347331][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8616.347331][ T1078]      netlink_unicast+0x449/0x710
[ 8616.347331][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8616.347331][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8616.347331][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8616.347331][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8616.347331][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8616.347331][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8616.347331][ T1078] 
[ 8616.349723][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8616.349723][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8616.349723][ T1078]      ipv6_find_idev+0x102/0x170
[ 8616.349723][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8616.349723][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8616.349723][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8616.349723][ T1078]      netlink_unicast+0x449/0x710
[ 8616.349723][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8616.349723][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8616.349723][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8616.349723][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8616.349723][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8616.349723][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8616.349723][ T1078] 
[ 8616.351572][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8616.351572][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8616.351572][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8616.351572][ T1078]      ipv6_find_idev+0x102/0x170
[ 8616.351572][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8616.351572][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8616.351572][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8616.351572][ T1078]      netlink_unicast+0x449/0x710
[ 8616.351572][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8616.351572][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8616.351572][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8616.351572][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8616.351572][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8616.351572][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8616.351572][ T1078] 
[ 8624.554735][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8624.555144][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8624.555144][   T10]      netdev_get_by_index+0x5e/0x80
[ 8624.555144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8624.555144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8624.555144][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8624.555144][   T10]      ipv6_add_addr+0x411/0x2000
[ 8624.555144][   T10]      inet6_addr_add+0x30e/0xa40
[ 8624.555144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8624.555144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.555144][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.555144][   T10]      netlink_unicast+0x449/0x710
[ 8624.555144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.555144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.555144][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.555144][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.555144][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.555144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.555144][   T10] 
[ 8624.557286][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8624.557286][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8624.557286][   T10]      ipv6_find_idev+0x102/0x170
[ 8624.557286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8624.557286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.557286][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.557286][   T10]      netlink_unicast+0x449/0x710
[ 8624.557286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.557286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.557286][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.557286][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.557286][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.557286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.557286][   T10] 
[ 8624.558922][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8624.558922][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8624.558922][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8624.558922][   T10]      ipv6_find_idev+0x102/0x170
[ 8624.558922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8624.558922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.558922][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.558922][   T10]      netlink_unicast+0x449/0x710
[ 8624.558922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.558922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.558922][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.558922][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.558922][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.558922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.558922][   T10] 
[ 8624.560738][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8624.560992][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8624.560992][   T10]      netdev_get_by_index+0x5e/0x80
[ 8624.560992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8624.560992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8624.560992][   T10]      ip6_route_add+0x1c/0x140
[ 8624.560992][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8624.560992][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8624.560992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8624.560992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.560992][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.560992][   T10]      netlink_unicast+0x449/0x710
[ 8624.560992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.560992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.560992][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.560992][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.560992][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.560992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.560992][   T10] 
[ 8624.563119][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8624.563119][   T10]      netdev_get_by_index+0x5e/0x80
[ 8624.563119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8624.563119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8624.563119][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8624.563119][   T10]      ipv6_add_addr+0x411/0x2000
[ 8624.563119][   T10]      inet6_addr_add+0x30e/0xa40
[ 8624.563119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8624.563119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.563119][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.563119][   T10]      netlink_unicast+0x449/0x710
[ 8624.563119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.563119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.563119][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.563119][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.563119][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.563119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.563119][   T10] 
[ 8624.565242][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8624.565242][   T10]      netdev_get_by_index+0x5e/0x80
[ 8624.565242][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8624.565242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8624.565242][   T10]      ip6_route_add+0x1c/0x140
[ 8624.565242][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8624.565242][   T10]      addrconf_add_dev+0xe2/0x170
[ 8624.565242][   T10]      inet6_addr_add+0x12f/0xa40
[ 8624.565242][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8624.565242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.565242][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.565242][   T10]      netlink_unicast+0x449/0x710
[ 8624.565242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.565242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.565242][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.565242][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.565242][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.565242][   T10] 
[ 8624.567322][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8624.567322][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8624.567322][   T10]      ipv6_find_idev+0x102/0x170
[ 8624.567322][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8624.567322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.567322][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.567322][   T10]      netlink_unicast+0x449/0x710
[ 8624.567322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.567322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.567322][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.567322][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.567322][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.567322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.567322][   T10] 
[ 8624.568956][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8624.568956][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8624.568956][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8624.568956][   T10]      ipv6_find_idev+0x102/0x170
[ 8624.568956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8624.568956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8624.568956][   T10]      netlink_rcv_skb+0x130/0x360
[ 8624.568956][   T10]      netlink_unicast+0x449/0x710
[ 8624.568956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8624.568956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8624.568956][   T10]      ___sys_sendmsg+0xee/0x170
[ 8624.568956][   T10]      __sys_sendmsg+0xcd/0x170
[ 8624.568956][   T10]      do_syscall_64+0xc6/0x1e0
[ 8624.568956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8624.568956][   T10] 
[ 8626.594818][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8626.595300][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8626.595300][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8626.595300][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8626.595300][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8626.595300][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8626.595300][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8626.595300][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8626.595300][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8626.595300][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8626.595300][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8626.595300][ T1078]      netlink_unicast+0x449/0x710
[ 8626.595300][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8626.595300][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8626.595300][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8626.595300][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8626.595300][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8626.595300][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8626.595300][ T1078] 
[ 8626.597607][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8626.597607][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8626.597607][ T1078]      ipv6_find_idev+0x102/0x170
[ 8626.597607][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8626.597607][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8626.597607][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8626.597607][ T1078]      netlink_unicast+0x449/0x710
[ 8626.597607][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8626.597607][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8626.597607][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8626.597607][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8626.597607][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8626.597607][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8626.597607][ T1078] 
[ 8626.599381][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8626.599381][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8626.599381][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8626.599381][ T1078]      ipv6_find_idev+0x102/0x170
[ 8626.599381][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8626.599381][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8626.599381][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8626.599381][ T1078]      netlink_unicast+0x449/0x710
[ 8626.599381][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8626.599381][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8626.599381][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8626.599381][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8626.599381][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8626.599381][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8626.599381][ T1078] 
[ 8634.810791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8634.811199][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8634.811199][   T10]      netdev_get_by_index+0x5e/0x80
[ 8634.811199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8634.811199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8634.811199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8634.811199][   T10]      ipv6_add_addr+0x411/0x2000
[ 8634.811199][   T10]      inet6_addr_add+0x30e/0xa40
[ 8634.811199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8634.811199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.811199][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.811199][   T10]      netlink_unicast+0x449/0x710
[ 8634.811199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.811199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.811199][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.811199][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.811199][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.811199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.811199][   T10] 
[ 8634.813388][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8634.813388][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8634.813388][   T10]      ipv6_find_idev+0x102/0x170
[ 8634.813388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8634.813388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.813388][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.813388][   T10]      netlink_unicast+0x449/0x710
[ 8634.813388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.813388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.813388][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.813388][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.813388][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.813388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.813388][   T10] 
[ 8634.815076][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8634.815076][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8634.815076][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8634.815076][   T10]      ipv6_find_idev+0x102/0x170
[ 8634.815076][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8634.815076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.815076][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.815076][   T10]      netlink_unicast+0x449/0x710
[ 8634.815076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.815076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.815076][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.815076][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.815076][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.815076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.815076][   T10] 
[ 8634.817470][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8634.817738][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8634.817738][   T10]      netdev_get_by_index+0x5e/0x80
[ 8634.817738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8634.817738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8634.817738][   T10]      ip6_route_add+0x1c/0x140
[ 8634.817738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8634.817738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8634.817738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8634.817738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.817738][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.817738][   T10]      netlink_unicast+0x449/0x710
[ 8634.817738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.817738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.817738][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.817738][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.817738][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.817738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.817738][   T10] 
[ 8634.819870][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8634.819870][   T10]      netdev_get_by_index+0x5e/0x80
[ 8634.819870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8634.819870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8634.819870][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8634.819870][   T10]      ipv6_add_addr+0x411/0x2000
[ 8634.819870][   T10]      inet6_addr_add+0x30e/0xa40
[ 8634.819870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8634.819870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.819870][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.819870][   T10]      netlink_unicast+0x449/0x710
[ 8634.819870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.819870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.819870][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.819870][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.819870][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.819870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.819870][   T10] 
[ 8634.822023][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8634.822023][   T10]      netdev_get_by_index+0x5e/0x80
[ 8634.822023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8634.822023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8634.822023][   T10]      ip6_route_add+0x1c/0x140
[ 8634.822023][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8634.822023][   T10]      addrconf_add_dev+0xe2/0x170
[ 8634.822023][   T10]      inet6_addr_add+0x12f/0xa40
[ 8634.822023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8634.822023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.822023][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.822023][   T10]      netlink_unicast+0x449/0x710
[ 8634.822023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.822023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.822023][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.822023][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.822023][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.822023][   T10] 
[ 8634.824155][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8634.824155][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8634.824155][   T10]      ipv6_find_idev+0x102/0x170
[ 8634.824155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8634.824155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.824155][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.824155][   T10]      netlink_unicast+0x449/0x710
[ 8634.824155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.824155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.824155][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.824155][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.824155][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.824155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.824155][   T10] 
[ 8634.825848][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8634.825848][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8634.825848][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8634.825848][   T10]      ipv6_find_idev+0x102/0x170
[ 8634.825848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8634.825848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8634.825848][   T10]      netlink_rcv_skb+0x130/0x360
[ 8634.825848][   T10]      netlink_unicast+0x449/0x710
[ 8634.825848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8634.825848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8634.825848][   T10]      ___sys_sendmsg+0xee/0x170
[ 8634.825848][   T10]      __sys_sendmsg+0xcd/0x170
[ 8634.825848][   T10]      do_syscall_64+0xc6/0x1e0
[ 8634.825848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8634.825848][   T10] 
[ 8636.842856][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8636.843376][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8636.843376][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8636.843376][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8636.843376][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8636.843376][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8636.843376][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8636.843376][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8636.843376][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8636.843376][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8636.843376][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8636.843376][ T1078]      netlink_unicast+0x449/0x710
[ 8636.843376][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8636.843376][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8636.843376][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8636.843376][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8636.843376][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8636.843376][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8636.843376][ T1078] 
[ 8636.845749][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8636.845749][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8636.845749][ T1078]      ipv6_find_idev+0x102/0x170
[ 8636.845749][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8636.845749][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8636.845749][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8636.845749][ T1078]      netlink_unicast+0x449/0x710
[ 8636.845749][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8636.845749][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8636.845749][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8636.845749][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8636.845749][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8636.845749][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8636.845749][ T1078] 
[ 8636.847553][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8636.847553][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8636.847553][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8636.847553][ T1078]      ipv6_find_idev+0x102/0x170
[ 8636.847553][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8636.847553][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8636.847553][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8636.847553][ T1078]      netlink_unicast+0x449/0x710
[ 8636.847553][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8636.847553][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8636.847553][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8636.847553][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8636.847553][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8636.847553][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8636.847553][ T1078] 
[ 8645.338942][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8645.339387][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8645.339387][   T10]      netdev_get_by_index+0x5e/0x80
[ 8645.339387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8645.339387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8645.339387][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8645.339387][   T10]      ipv6_add_addr+0x411/0x2000
[ 8645.339387][   T10]      inet6_addr_add+0x30e/0xa40
[ 8645.339387][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8645.339387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.339387][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.339387][   T10]      netlink_unicast+0x449/0x710
[ 8645.339387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.339387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.339387][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.339387][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.339387][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.339387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.339387][   T10] 
[ 8645.341493][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8645.341493][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8645.341493][   T10]      ipv6_find_idev+0x102/0x170
[ 8645.341493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8645.341493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.341493][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.341493][   T10]      netlink_unicast+0x449/0x710
[ 8645.341493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.341493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.341493][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.341493][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.341493][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.341493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.341493][   T10] 
[ 8645.343110][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8645.343110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8645.343110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8645.343110][   T10]      ipv6_find_idev+0x102/0x170
[ 8645.343110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8645.343110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.343110][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.343110][   T10]      netlink_unicast+0x449/0x710
[ 8645.343110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.343110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.343110][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.343110][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.343110][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.343110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.343110][   T10] 
[ 8645.344907][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8645.345159][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8645.345159][   T10]      netdev_get_by_index+0x5e/0x80
[ 8645.345159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8645.345159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8645.345159][   T10]      ip6_route_add+0x1c/0x140
[ 8645.345159][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8645.345159][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8645.345159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8645.345159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.345159][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.345159][   T10]      netlink_unicast+0x449/0x710
[ 8645.345159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.345159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.345159][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.345159][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.345159][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.345159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.345159][   T10] 
[ 8645.347244][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8645.347244][   T10]      netdev_get_by_index+0x5e/0x80
[ 8645.347244][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8645.347244][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8645.347244][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8645.347244][   T10]      ipv6_add_addr+0x411/0x2000
[ 8645.347244][   T10]      inet6_addr_add+0x30e/0xa40
[ 8645.347244][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8645.347244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.347244][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.347244][   T10]      netlink_unicast+0x449/0x710
[ 8645.347244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.347244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.347244][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.347244][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.347244][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.347244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.347244][   T10] 
[ 8645.349339][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8645.349339][   T10]      netdev_get_by_index+0x5e/0x80
[ 8645.349339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8645.349339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8645.349339][   T10]      ip6_route_add+0x1c/0x140
[ 8645.349339][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8645.349339][   T10]      addrconf_add_dev+0xe2/0x170
[ 8645.349339][   T10]      inet6_addr_add+0x12f/0xa40
[ 8645.349339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8645.349339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.349339][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.349339][   T10]      netlink_unicast+0x449/0x710
[ 8645.349339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.349339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.349339][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.349339][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.349339][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.349339][   T10] 
[ 8645.351393][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8645.351393][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8645.351393][   T10]      ipv6_find_idev+0x102/0x170
[ 8645.351393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8645.351393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.351393][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.351393][   T10]      netlink_unicast+0x449/0x710
[ 8645.351393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.351393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.351393][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.351393][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.351393][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.351393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.351393][   T10] 
[ 8645.352999][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8645.352999][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8645.352999][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8645.352999][   T10]      ipv6_find_idev+0x102/0x170
[ 8645.352999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8645.352999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8645.352999][   T10]      netlink_rcv_skb+0x130/0x360
[ 8645.352999][   T10]      netlink_unicast+0x449/0x710
[ 8645.352999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8645.352999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8645.352999][   T10]      ___sys_sendmsg+0xee/0x170
[ 8645.352999][   T10]      __sys_sendmsg+0xcd/0x170
[ 8645.352999][   T10]      do_syscall_64+0xc6/0x1e0
[ 8645.352999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8645.352999][   T10] 
[ 8646.874805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8646.875326][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8646.875326][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8646.875326][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8646.875326][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8646.875326][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8646.875326][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8646.875326][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8646.875326][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8646.875326][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8646.875326][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8646.875326][ T1078]      netlink_unicast+0x449/0x710
[ 8646.875326][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8646.875326][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8646.875326][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8646.875326][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8646.875326][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8646.875326][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8646.875326][ T1078] 
[ 8646.877798][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8646.877798][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8646.877798][ T1078]      ipv6_find_idev+0x102/0x170
[ 8646.877798][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8646.877798][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8646.877798][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8646.877798][ T1078]      netlink_unicast+0x449/0x710
[ 8646.877798][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8646.877798][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8646.877798][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8646.877798][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8646.877798][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8646.877798][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8646.877798][ T1078] 
[ 8646.879696][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8646.879696][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8646.879696][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8646.879696][ T1078]      ipv6_find_idev+0x102/0x170
[ 8646.879696][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8646.879696][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8646.879696][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8646.879696][ T1078]      netlink_unicast+0x449/0x710
[ 8646.879696][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8646.879696][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8646.879696][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8646.879696][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8646.879696][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8646.879696][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8646.879696][ T1078] 
[ 8655.594736][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8655.595145][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8655.595145][   T10]      netdev_get_by_index+0x5e/0x80
[ 8655.595145][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8655.595145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8655.595145][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8655.595145][   T10]      ipv6_add_addr+0x411/0x2000
[ 8655.595145][   T10]      inet6_addr_add+0x30e/0xa40
[ 8655.595145][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8655.595145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.595145][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.595145][   T10]      netlink_unicast+0x449/0x710
[ 8655.595145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.595145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.595145][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.595145][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.595145][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.595145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.595145][   T10] 
[ 8655.597173][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8655.597173][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8655.597173][   T10]      ipv6_find_idev+0x102/0x170
[ 8655.597173][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8655.597173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.597173][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.597173][   T10]      netlink_unicast+0x449/0x710
[ 8655.597173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.597173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.597173][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.597173][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.597173][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.597173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.597173][   T10] 
[ 8655.598734][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8655.598734][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8655.598734][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8655.598734][   T10]      ipv6_find_idev+0x102/0x170
[ 8655.598734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8655.598734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.598734][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.598734][   T10]      netlink_unicast+0x449/0x710
[ 8655.598734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.598734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.598734][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.598734][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.598734][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.598734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.598734][   T10] 
[ 8655.600436][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8655.600675][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8655.600675][   T10]      netdev_get_by_index+0x5e/0x80
[ 8655.600675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8655.600675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8655.600675][   T10]      ip6_route_add+0x1c/0x140
[ 8655.600675][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8655.600675][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8655.600675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8655.600675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.600675][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.600675][   T10]      netlink_unicast+0x449/0x710
[ 8655.600675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.600675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.600675][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.600675][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.600675][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.600675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.600675][   T10] 
[ 8655.602691][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8655.602691][   T10]      netdev_get_by_index+0x5e/0x80
[ 8655.602691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8655.602691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8655.602691][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8655.602691][   T10]      ipv6_add_addr+0x411/0x2000
[ 8655.602691][   T10]      inet6_addr_add+0x30e/0xa40
[ 8655.602691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8655.602691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.602691][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.602691][   T10]      netlink_unicast+0x449/0x710
[ 8655.602691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.602691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.602691][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.602691][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.602691][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.602691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.602691][   T10] 
[ 8655.604718][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8655.604718][   T10]      netdev_get_by_index+0x5e/0x80
[ 8655.604718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8655.604718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8655.604718][   T10]      ip6_route_add+0x1c/0x140
[ 8655.604718][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8655.604718][   T10]      addrconf_add_dev+0xe2/0x170
[ 8655.604718][   T10]      inet6_addr_add+0x12f/0xa40
[ 8655.604718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8655.604718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.604718][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.604718][   T10]      netlink_unicast+0x449/0x710
[ 8655.604718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.604718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.604718][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.604718][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.604718][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.604718][   T10] 
[ 8655.606688][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8655.606688][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8655.606688][   T10]      ipv6_find_idev+0x102/0x170
[ 8655.606688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8655.606688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.606688][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.606688][   T10]      netlink_unicast+0x449/0x710
[ 8655.606688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.606688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.606688][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.606688][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.606688][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.606688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.606688][   T10] 
[ 8655.608236][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8655.608236][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8655.608236][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8655.608236][   T10]      ipv6_find_idev+0x102/0x170
[ 8655.608236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8655.608236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8655.608236][   T10]      netlink_rcv_skb+0x130/0x360
[ 8655.608236][   T10]      netlink_unicast+0x449/0x710
[ 8655.608236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8655.608236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8655.608236][   T10]      ___sys_sendmsg+0xee/0x170
[ 8655.608236][   T10]      __sys_sendmsg+0xcd/0x170
[ 8655.608236][   T10]      do_syscall_64+0xc6/0x1e0
[ 8655.608236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8655.608236][   T10] 
[ 8657.122985][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8657.123530][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8657.123530][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8657.123530][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8657.123530][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8657.123530][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8657.123530][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8657.123530][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8657.123530][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8657.123530][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8657.123530][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8657.123530][ T1078]      netlink_unicast+0x449/0x710
[ 8657.123530][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8657.123530][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8657.123530][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8657.123530][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8657.123530][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8657.123530][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8657.123530][ T1078] 
[ 8657.125810][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8657.125810][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8657.125810][ T1078]      ipv6_find_idev+0x102/0x170
[ 8657.125810][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8657.125810][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8657.125810][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8657.125810][ T1078]      netlink_unicast+0x449/0x710
[ 8657.125810][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8657.125810][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8657.125810][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8657.125810][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8657.125810][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8657.125810][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8657.125810][ T1078] 
[ 8657.127545][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8657.127545][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8657.127545][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8657.127545][ T1078]      ipv6_find_idev+0x102/0x170
[ 8657.127545][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8657.127545][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8657.127545][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8657.127545][ T1078]      netlink_unicast+0x449/0x710
[ 8657.127545][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8657.127545][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8657.127545][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8657.127545][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8657.127545][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8657.127545][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8657.127545][ T1078] 
[ 8665.706936][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8665.707360][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8665.707360][   T10]      netdev_get_by_index+0x5e/0x80
[ 8665.707360][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8665.707360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8665.707360][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8665.707360][   T10]      ipv6_add_addr+0x411/0x2000
[ 8665.707360][   T10]      inet6_addr_add+0x30e/0xa40
[ 8665.707360][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8665.707360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.707360][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.707360][   T10]      netlink_unicast+0x449/0x710
[ 8665.707360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.707360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.707360][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.707360][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.707360][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.707360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.707360][   T10] 
[ 8665.709380][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8665.709380][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8665.709380][   T10]      ipv6_find_idev+0x102/0x170
[ 8665.709380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8665.709380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.709380][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.709380][   T10]      netlink_unicast+0x449/0x710
[ 8665.709380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.709380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.709380][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.709380][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.709380][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.709380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.709380][   T10] 
[ 8665.710929][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8665.710929][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8665.710929][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8665.710929][   T10]      ipv6_find_idev+0x102/0x170
[ 8665.710929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8665.710929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.710929][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.710929][   T10]      netlink_unicast+0x449/0x710
[ 8665.710929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.710929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.710929][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.710929][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.710929][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.710929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.710929][   T10] 
[ 8665.712630][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8665.712895][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8665.712895][   T10]      netdev_get_by_index+0x5e/0x80
[ 8665.712895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8665.712895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8665.712895][   T10]      ip6_route_add+0x1c/0x140
[ 8665.712895][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8665.712895][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8665.712895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8665.712895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.712895][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.712895][   T10]      netlink_unicast+0x449/0x710
[ 8665.712895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.712895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.712895][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.712895][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.712895][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.712895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.712895][   T10] 
[ 8665.714912][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8665.714912][   T10]      netdev_get_by_index+0x5e/0x80
[ 8665.714912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8665.714912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8665.714912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8665.714912][   T10]      ipv6_add_addr+0x411/0x2000
[ 8665.714912][   T10]      inet6_addr_add+0x30e/0xa40
[ 8665.714912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8665.714912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.714912][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.714912][   T10]      netlink_unicast+0x449/0x710
[ 8665.714912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.714912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.714912][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.714912][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.714912][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.714912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.714912][   T10] 
[ 8665.716909][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8665.716909][   T10]      netdev_get_by_index+0x5e/0x80
[ 8665.716909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8665.716909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8665.716909][   T10]      ip6_route_add+0x1c/0x140
[ 8665.716909][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8665.716909][   T10]      addrconf_add_dev+0xe2/0x170
[ 8665.716909][   T10]      inet6_addr_add+0x12f/0xa40
[ 8665.716909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8665.716909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.716909][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.716909][   T10]      netlink_unicast+0x449/0x710
[ 8665.716909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.716909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.716909][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.716909][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.716909][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.716909][   T10] 
[ 8665.718880][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8665.718880][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8665.718880][   T10]      ipv6_find_idev+0x102/0x170
[ 8665.718880][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8665.718880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.718880][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.718880][   T10]      netlink_unicast+0x449/0x710
[ 8665.718880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.718880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.718880][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.718880][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.718880][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.718880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.718880][   T10] 
[ 8665.720415][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8665.720415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8665.720415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8665.720415][   T10]      ipv6_find_idev+0x102/0x170
[ 8665.720415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8665.720415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8665.720415][   T10]      netlink_rcv_skb+0x130/0x360
[ 8665.720415][   T10]      netlink_unicast+0x449/0x710
[ 8665.720415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8665.720415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8665.720415][   T10]      ___sys_sendmsg+0xee/0x170
[ 8665.720415][   T10]      __sys_sendmsg+0xcd/0x170
[ 8665.720415][   T10]      do_syscall_64+0xc6/0x1e0
[ 8665.720415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8665.720415][   T10] 
[ 8667.242830][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8667.243401][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8667.243401][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8667.243401][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8667.243401][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8667.243401][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8667.243401][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8667.243401][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8667.243401][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8667.243401][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8667.243401][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8667.243401][ T1078]      netlink_unicast+0x449/0x710
[ 8667.243401][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8667.243401][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8667.243401][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8667.243401][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8667.243401][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8667.243401][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8667.243401][ T1078] 
[ 8667.245713][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8667.245713][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8667.245713][ T1078]      ipv6_find_idev+0x102/0x170
[ 8667.245713][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8667.245713][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8667.245713][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8667.245713][ T1078]      netlink_unicast+0x449/0x710
[ 8667.245713][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8667.245713][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8667.245713][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8667.245713][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8667.245713][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8667.245713][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8667.245713][ T1078] 
[ 8667.247873][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8667.247873][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8667.247873][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8667.247873][ T1078]      ipv6_find_idev+0x102/0x170
[ 8667.247873][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8667.247873][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8667.247873][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8667.247873][ T1078]      netlink_unicast+0x449/0x710
[ 8667.247873][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8667.247873][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8667.247873][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8667.247873][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8667.247873][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8667.247873][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8667.247873][ T1078] 
[ 8675.962859][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8675.963272][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8675.963272][   T10]      netdev_get_by_index+0x5e/0x80
[ 8675.963272][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8675.963272][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8675.963272][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8675.963272][   T10]      ipv6_add_addr+0x411/0x2000
[ 8675.963272][   T10]      inet6_addr_add+0x30e/0xa40
[ 8675.963272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8675.963272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.963272][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.963272][   T10]      netlink_unicast+0x449/0x710
[ 8675.963272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.963272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.963272][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.963272][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.963272][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.963272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.963272][   T10] 
[ 8675.965321][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8675.965321][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8675.965321][   T10]      ipv6_find_idev+0x102/0x170
[ 8675.965321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8675.965321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.965321][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.965321][   T10]      netlink_unicast+0x449/0x710
[ 8675.965321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.965321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.965321][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.965321][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.965321][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.965321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.965321][   T10] 
[ 8675.967226][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8675.967226][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8675.967226][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8675.967226][   T10]      ipv6_find_idev+0x102/0x170
[ 8675.967226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8675.967226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.967226][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.967226][   T10]      netlink_unicast+0x449/0x710
[ 8675.967226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.967226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.967226][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.967226][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.967226][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.967226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.967226][   T10] 
[ 8675.968918][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8675.969157][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8675.969157][   T10]      netdev_get_by_index+0x5e/0x80
[ 8675.969157][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8675.969157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8675.969157][   T10]      ip6_route_add+0x1c/0x140
[ 8675.969157][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8675.969157][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8675.969157][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8675.969157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.969157][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.969157][   T10]      netlink_unicast+0x449/0x710
[ 8675.969157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.969157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.969157][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.969157][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.969157][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.969157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.969157][   T10] 
[ 8675.971156][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8675.971156][   T10]      netdev_get_by_index+0x5e/0x80
[ 8675.971156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8675.971156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8675.971156][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8675.971156][   T10]      ipv6_add_addr+0x411/0x2000
[ 8675.971156][   T10]      inet6_addr_add+0x30e/0xa40
[ 8675.971156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8675.971156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.971156][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.971156][   T10]      netlink_unicast+0x449/0x710
[ 8675.971156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.971156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.971156][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.971156][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.971156][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.971156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.971156][   T10] 
[ 8675.973145][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8675.973145][   T10]      netdev_get_by_index+0x5e/0x80
[ 8675.973145][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8675.973145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8675.973145][   T10]      ip6_route_add+0x1c/0x140
[ 8675.973145][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8675.973145][   T10]      addrconf_add_dev+0xe2/0x170
[ 8675.973145][   T10]      inet6_addr_add+0x12f/0xa40
[ 8675.973145][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8675.973145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.973145][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.973145][   T10]      netlink_unicast+0x449/0x710
[ 8675.973145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.973145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.973145][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.973145][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.973145][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.973145][   T10] 
[ 8675.975106][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8675.975106][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8675.975106][   T10]      ipv6_find_idev+0x102/0x170
[ 8675.975106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8675.975106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.975106][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.975106][   T10]      netlink_unicast+0x449/0x710
[ 8675.975106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.975106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.975106][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.975106][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.975106][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.975106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.975106][   T10] 
[ 8675.976634][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8675.976634][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8675.976634][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8675.976634][   T10]      ipv6_find_idev+0x102/0x170
[ 8675.976634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8675.976634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8675.976634][   T10]      netlink_rcv_skb+0x130/0x360
[ 8675.976634][   T10]      netlink_unicast+0x449/0x710
[ 8675.976634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8675.976634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8675.976634][   T10]      ___sys_sendmsg+0xee/0x170
[ 8675.976634][   T10]      __sys_sendmsg+0xcd/0x170
[ 8675.976634][   T10]      do_syscall_64+0xc6/0x1e0
[ 8675.976634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8675.976634][   T10] 
[ 8677.498859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8677.499454][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8677.499454][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8677.499454][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8677.499454][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8677.499454][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8677.499454][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8677.499454][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8677.499454][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8677.499454][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8677.499454][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8677.499454][ T1078]      netlink_unicast+0x449/0x710
[ 8677.499454][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8677.499454][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8677.499454][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8677.499454][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8677.499454][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8677.499454][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8677.499454][ T1078] 
[ 8677.501787][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8677.501787][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8677.501787][ T1078]      ipv6_find_idev+0x102/0x170
[ 8677.501787][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8677.501787][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8677.501787][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8677.501787][ T1078]      netlink_unicast+0x449/0x710
[ 8677.501787][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8677.501787][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8677.501787][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8677.501787][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8677.501787][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8677.501787][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8677.501787][ T1078] 
[ 8677.503536][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8677.503536][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8677.503536][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8677.503536][ T1078]      ipv6_find_idev+0x102/0x170
[ 8677.503536][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8677.503536][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8677.503536][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8677.503536][ T1078]      netlink_unicast+0x449/0x710
[ 8677.503536][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8677.503536][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8677.503536][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8677.503536][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8677.503536][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8677.503536][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8677.503536][ T1078] 
[ 8686.218840][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8686.219318][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8686.219318][   T10]      netdev_get_by_index+0x5e/0x80
[ 8686.219318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8686.219318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8686.219318][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8686.219318][   T10]      ipv6_add_addr+0x411/0x2000
[ 8686.219318][   T10]      inet6_addr_add+0x30e/0xa40
[ 8686.219318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8686.219318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.219318][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.219318][   T10]      netlink_unicast+0x449/0x710
[ 8686.219318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.219318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.219318][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.219318][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.219318][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.219318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.219318][   T10] 
[ 8686.221341][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8686.221341][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8686.221341][   T10]      ipv6_find_idev+0x102/0x170
[ 8686.221341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8686.221341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.221341][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.221341][   T10]      netlink_unicast+0x449/0x710
[ 8686.221341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.221341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.221341][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.221341][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.221341][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.221341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.221341][   T10] 
[ 8686.222884][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8686.222884][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8686.222884][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8686.222884][   T10]      ipv6_find_idev+0x102/0x170
[ 8686.222884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8686.222884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.222884][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.222884][   T10]      netlink_unicast+0x449/0x710
[ 8686.222884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.222884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.222884][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.222884][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.222884][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.222884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.222884][   T10] 
[ 8686.224599][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8686.224861][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8686.224861][   T10]      netdev_get_by_index+0x5e/0x80
[ 8686.224861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8686.224861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8686.224861][   T10]      ip6_route_add+0x1c/0x140
[ 8686.224861][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8686.224861][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8686.224861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8686.224861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.224861][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.224861][   T10]      netlink_unicast+0x449/0x710
[ 8686.224861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.224861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.224861][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.224861][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.224861][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.224861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.224861][   T10] 
[ 8686.226851][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8686.226851][   T10]      netdev_get_by_index+0x5e/0x80
[ 8686.226851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8686.226851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8686.226851][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8686.226851][   T10]      ipv6_add_addr+0x411/0x2000
[ 8686.226851][   T10]      inet6_addr_add+0x30e/0xa40
[ 8686.226851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8686.226851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.226851][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.226851][   T10]      netlink_unicast+0x449/0x710
[ 8686.226851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.226851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.226851][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.226851][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.226851][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.226851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.226851][   T10] 
[ 8686.229394][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8686.229394][   T10]      netdev_get_by_index+0x5e/0x80
[ 8686.229394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8686.229394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8686.229394][   T10]      ip6_route_add+0x1c/0x140
[ 8686.229394][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8686.229394][   T10]      addrconf_add_dev+0xe2/0x170
[ 8686.229394][   T10]      inet6_addr_add+0x12f/0xa40
[ 8686.229394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8686.229394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.229394][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.229394][   T10]      netlink_unicast+0x449/0x710
[ 8686.229394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.229394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.229394][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.229394][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.229394][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.229394][   T10] 
[ 8686.231744][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8686.231744][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8686.231744][   T10]      ipv6_find_idev+0x102/0x170
[ 8686.231744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8686.231744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.231744][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.231744][   T10]      netlink_unicast+0x449/0x710
[ 8686.231744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.231744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.231744][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.231744][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.231744][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.231744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.231744][   T10] 
[ 8686.233274][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8686.233274][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8686.233274][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8686.233274][   T10]      ipv6_find_idev+0x102/0x170
[ 8686.233274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8686.233274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8686.233274][   T10]      netlink_rcv_skb+0x130/0x360
[ 8686.233274][   T10]      netlink_unicast+0x449/0x710
[ 8686.233274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8686.233274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8686.233274][   T10]      ___sys_sendmsg+0xee/0x170
[ 8686.233274][   T10]      __sys_sendmsg+0xcd/0x170
[ 8686.233274][   T10]      do_syscall_64+0xc6/0x1e0
[ 8686.233274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8686.233274][   T10] 
[ 8687.754822][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8687.755391][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8687.755391][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8687.755391][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8687.755391][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8687.755391][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8687.755391][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8687.755391][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8687.755391][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8687.755391][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8687.755391][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8687.755391][ T1078]      netlink_unicast+0x449/0x710
[ 8687.755391][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8687.755391][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8687.755391][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8687.755391][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8687.755391][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8687.755391][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8687.755391][ T1078] 
[ 8687.757702][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8687.757702][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8687.757702][ T1078]      ipv6_find_idev+0x102/0x170
[ 8687.757702][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8687.757702][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8687.757702][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8687.757702][ T1078]      netlink_unicast+0x449/0x710
[ 8687.757702][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8687.757702][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8687.757702][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8687.757702][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8687.757702][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8687.757702][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8687.757702][ T1078] 
[ 8687.759457][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8687.759457][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8687.759457][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8687.759457][ T1078]      ipv6_find_idev+0x102/0x170
[ 8687.759457][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8687.759457][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8687.759457][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8687.759457][ T1078]      netlink_unicast+0x449/0x710
[ 8687.759457][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8687.759457][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8687.759457][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8687.759457][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8687.759457][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8687.759457][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8687.759457][ T1078] 
[ 8696.474759][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8696.475225][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8696.475225][   T10]      netdev_get_by_index+0x5e/0x80
[ 8696.475225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8696.475225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8696.475225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8696.475225][   T10]      ipv6_add_addr+0x411/0x2000
[ 8696.475225][   T10]      inet6_addr_add+0x30e/0xa40
[ 8696.475225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8696.475225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.475225][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.475225][   T10]      netlink_unicast+0x449/0x710
[ 8696.475225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.475225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.475225][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.475225][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.475225][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.475225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.475225][   T10] 
[ 8696.477252][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8696.477252][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8696.477252][   T10]      ipv6_find_idev+0x102/0x170
[ 8696.477252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8696.477252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.477252][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.477252][   T10]      netlink_unicast+0x449/0x710
[ 8696.477252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.477252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.477252][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.477252][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.477252][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.477252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.477252][   T10] 
[ 8696.478800][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8696.478800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8696.478800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8696.478800][   T10]      ipv6_find_idev+0x102/0x170
[ 8696.478800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8696.478800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.478800][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.478800][   T10]      netlink_unicast+0x449/0x710
[ 8696.478800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.478800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.478800][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.478800][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.478800][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.478800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.478800][   T10] 
[ 8696.480505][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8696.480767][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8696.480767][   T10]      netdev_get_by_index+0x5e/0x80
[ 8696.480767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8696.480767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8696.480767][   T10]      ip6_route_add+0x1c/0x140
[ 8696.480767][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8696.480767][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8696.480767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8696.480767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.480767][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.480767][   T10]      netlink_unicast+0x449/0x710
[ 8696.480767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.480767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.480767][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.480767][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.480767][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.480767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.480767][   T10] 
[ 8696.482766][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8696.482766][   T10]      netdev_get_by_index+0x5e/0x80
[ 8696.482766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8696.482766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8696.482766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8696.482766][   T10]      ipv6_add_addr+0x411/0x2000
[ 8696.482766][   T10]      inet6_addr_add+0x30e/0xa40
[ 8696.482766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8696.482766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.482766][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.482766][   T10]      netlink_unicast+0x449/0x710
[ 8696.482766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.482766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.482766][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.482766][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.482766][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.482766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.482766][   T10] 
[ 8696.484764][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8696.484764][   T10]      netdev_get_by_index+0x5e/0x80
[ 8696.484764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8696.484764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8696.484764][   T10]      ip6_route_add+0x1c/0x140
[ 8696.484764][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8696.484764][   T10]      addrconf_add_dev+0xe2/0x170
[ 8696.484764][   T10]      inet6_addr_add+0x12f/0xa40
[ 8696.484764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8696.484764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.484764][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.484764][   T10]      netlink_unicast+0x449/0x710
[ 8696.484764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.484764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.484764][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.484764][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.484764][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.484764][   T10] 
[ 8696.486754][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8696.486754][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8696.486754][   T10]      ipv6_find_idev+0x102/0x170
[ 8696.486754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8696.486754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.486754][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.486754][   T10]      netlink_unicast+0x449/0x710
[ 8696.486754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.486754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.486754][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.486754][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.486754][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.486754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.486754][   T10] 
[ 8696.488289][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8696.488289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8696.488289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8696.488289][   T10]      ipv6_find_idev+0x102/0x170
[ 8696.488289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8696.488289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8696.488289][   T10]      netlink_rcv_skb+0x130/0x360
[ 8696.488289][   T10]      netlink_unicast+0x449/0x710
[ 8696.488289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8696.488289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8696.488289][   T10]      ___sys_sendmsg+0xee/0x170
[ 8696.488289][   T10]      __sys_sendmsg+0xcd/0x170
[ 8696.488289][   T10]      do_syscall_64+0xc6/0x1e0
[ 8696.488289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8696.488289][   T10] 
[ 8698.010935][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8698.011480][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8698.011480][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8698.011480][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8698.011480][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8698.011480][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8698.011480][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8698.011480][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8698.011480][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8698.011480][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8698.011480][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8698.011480][ T1078]      netlink_unicast+0x449/0x710
[ 8698.011480][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8698.011480][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8698.011480][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8698.011480][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8698.011480][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8698.011480][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8698.011480][ T1078] 
[ 8698.013768][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8698.013768][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8698.013768][ T1078]      ipv6_find_idev+0x102/0x170
[ 8698.013768][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8698.013768][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8698.013768][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8698.013768][ T1078]      netlink_unicast+0x449/0x710
[ 8698.013768][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8698.013768][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8698.013768][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8698.013768][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8698.013768][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8698.013768][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8698.013768][ T1078] 
[ 8698.015506][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8698.015506][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8698.015506][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8698.015506][ T1078]      ipv6_find_idev+0x102/0x170
[ 8698.015506][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8698.015506][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8698.015506][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8698.015506][ T1078]      netlink_unicast+0x449/0x710
[ 8698.015506][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8698.015506][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8698.015506][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8698.015506][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8698.015506][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8698.015506][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8698.015506][ T1078] 
[ 8706.578865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8706.579342][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8706.579342][   T10]      netdev_get_by_index+0x5e/0x80
[ 8706.579342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8706.579342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8706.579342][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8706.579342][   T10]      ipv6_add_addr+0x411/0x2000
[ 8706.579342][   T10]      inet6_addr_add+0x30e/0xa40
[ 8706.579342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8706.579342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.579342][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.579342][   T10]      netlink_unicast+0x449/0x710
[ 8706.579342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.579342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.579342][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.579342][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.579342][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.579342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.579342][   T10] 
[ 8706.581375][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8706.581375][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8706.581375][   T10]      ipv6_find_idev+0x102/0x170
[ 8706.581375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8706.581375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.581375][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.581375][   T10]      netlink_unicast+0x449/0x710
[ 8706.581375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.581375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.581375][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.581375][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.581375][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.581375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.581375][   T10] 
[ 8706.582931][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8706.582931][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8706.582931][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8706.582931][   T10]      ipv6_find_idev+0x102/0x170
[ 8706.582931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8706.582931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.582931][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.582931][   T10]      netlink_unicast+0x449/0x710
[ 8706.582931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.582931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.582931][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.582931][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.582931][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.582931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.582931][   T10] 
[ 8706.584621][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8706.584877][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8706.584877][   T10]      netdev_get_by_index+0x5e/0x80
[ 8706.584877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8706.584877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8706.584877][   T10]      ip6_route_add+0x1c/0x140
[ 8706.584877][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8706.584877][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8706.584877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8706.584877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.584877][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.584877][   T10]      netlink_unicast+0x449/0x710
[ 8706.584877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.584877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.584877][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.584877][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.584877][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.584877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.584877][   T10] 
[ 8706.586867][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8706.586867][   T10]      netdev_get_by_index+0x5e/0x80
[ 8706.586867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8706.586867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8706.586867][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8706.586867][   T10]      ipv6_add_addr+0x411/0x2000
[ 8706.586867][   T10]      inet6_addr_add+0x30e/0xa40
[ 8706.586867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8706.586867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.586867][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.586867][   T10]      netlink_unicast+0x449/0x710
[ 8706.586867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.586867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.586867][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.586867][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.586867][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.586867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.586867][   T10] 
[ 8706.588862][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8706.588862][   T10]      netdev_get_by_index+0x5e/0x80
[ 8706.588862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8706.588862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8706.588862][   T10]      ip6_route_add+0x1c/0x140
[ 8706.588862][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8706.588862][   T10]      addrconf_add_dev+0xe2/0x170
[ 8706.588862][   T10]      inet6_addr_add+0x12f/0xa40
[ 8706.588862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8706.588862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.588862][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.588862][   T10]      netlink_unicast+0x449/0x710
[ 8706.588862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.588862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.588862][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.588862][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.588862][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.588862][   T10] 
[ 8706.590821][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8706.590821][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8706.590821][   T10]      ipv6_find_idev+0x102/0x170
[ 8706.590821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8706.590821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.590821][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.590821][   T10]      netlink_unicast+0x449/0x710
[ 8706.590821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.590821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.590821][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.590821][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.590821][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.590821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.590821][   T10] 
[ 8706.592358][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8706.592358][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8706.592358][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8706.592358][   T10]      ipv6_find_idev+0x102/0x170
[ 8706.592358][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8706.592358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8706.592358][   T10]      netlink_rcv_skb+0x130/0x360
[ 8706.592358][   T10]      netlink_unicast+0x449/0x710
[ 8706.592358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8706.592358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8706.592358][   T10]      ___sys_sendmsg+0xee/0x170
[ 8706.592358][   T10]      __sys_sendmsg+0xcd/0x170
[ 8706.592358][   T10]      do_syscall_64+0xc6/0x1e0
[ 8706.592358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8706.592358][   T10] 
[ 8708.114813][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8708.115353][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8708.115353][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8708.115353][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8708.115353][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8708.115353][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8708.115353][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8708.115353][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8708.115353][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8708.115353][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8708.115353][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8708.115353][ T1078]      netlink_unicast+0x449/0x710
[ 8708.115353][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8708.115353][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8708.115353][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8708.115353][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8708.115353][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8708.115353][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8708.115353][ T1078] 
[ 8708.117618][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8708.117618][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8708.117618][ T1078]      ipv6_find_idev+0x102/0x170
[ 8708.117618][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8708.117618][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8708.117618][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8708.117618][ T1078]      netlink_unicast+0x449/0x710
[ 8708.117618][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8708.117618][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8708.117618][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8708.117618][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8708.117618][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8708.117618][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8708.117618][ T1078] 
[ 8708.119349][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8708.119349][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8708.119349][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8708.119349][ T1078]      ipv6_find_idev+0x102/0x170
[ 8708.119349][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8708.119349][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8708.119349][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8708.119349][ T1078]      netlink_unicast+0x449/0x710
[ 8708.119349][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8708.119349][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8708.119349][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8708.119349][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8708.119349][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8708.119349][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8708.119349][ T1078] 
[ 8716.834739][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8716.835150][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8716.835150][   T10]      netdev_get_by_index+0x5e/0x80
[ 8716.835150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8716.835150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8716.835150][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8716.835150][   T10]      ipv6_add_addr+0x411/0x2000
[ 8716.835150][   T10]      inet6_addr_add+0x30e/0xa40
[ 8716.835150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8716.835150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.835150][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.835150][   T10]      netlink_unicast+0x449/0x710
[ 8716.835150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.835150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.835150][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.835150][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.835150][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.835150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.835150][   T10] 
[ 8716.837163][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8716.837163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8716.837163][   T10]      ipv6_find_idev+0x102/0x170
[ 8716.837163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8716.837163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.837163][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.837163][   T10]      netlink_unicast+0x449/0x710
[ 8716.837163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.837163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.837163][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.837163][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.837163][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.837163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.837163][   T10] 
[ 8716.838713][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8716.838713][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8716.838713][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8716.838713][   T10]      ipv6_find_idev+0x102/0x170
[ 8716.838713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8716.838713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.838713][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.838713][   T10]      netlink_unicast+0x449/0x710
[ 8716.838713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.838713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.838713][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.838713][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.838713][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.838713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.838713][   T10] 
[ 8716.840409][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8716.840649][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8716.840649][   T10]      netdev_get_by_index+0x5e/0x80
[ 8716.840649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8716.840649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8716.840649][   T10]      ip6_route_add+0x1c/0x140
[ 8716.840649][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8716.840649][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8716.840649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8716.840649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.840649][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.840649][   T10]      netlink_unicast+0x449/0x710
[ 8716.840649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.840649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.840649][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.840649][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.840649][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.840649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.840649][   T10] 
[ 8716.842644][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8716.842644][   T10]      netdev_get_by_index+0x5e/0x80
[ 8716.842644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8716.842644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8716.842644][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8716.842644][   T10]      ipv6_add_addr+0x411/0x2000
[ 8716.842644][   T10]      inet6_addr_add+0x30e/0xa40
[ 8716.842644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8716.842644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.842644][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.842644][   T10]      netlink_unicast+0x449/0x710
[ 8716.842644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.842644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.842644][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.842644][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.842644][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.842644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.842644][   T10] 
[ 8716.844637][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8716.844637][   T10]      netdev_get_by_index+0x5e/0x80
[ 8716.844637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8716.844637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8716.844637][   T10]      ip6_route_add+0x1c/0x140
[ 8716.844637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8716.844637][   T10]      addrconf_add_dev+0xe2/0x170
[ 8716.844637][   T10]      inet6_addr_add+0x12f/0xa40
[ 8716.844637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8716.844637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.844637][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.844637][   T10]      netlink_unicast+0x449/0x710
[ 8716.844637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.844637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.844637][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.844637][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.844637][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.844637][   T10] 
[ 8716.846589][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8716.846589][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8716.846589][   T10]      ipv6_find_idev+0x102/0x170
[ 8716.846589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8716.846589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.846589][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.846589][   T10]      netlink_unicast+0x449/0x710
[ 8716.846589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.846589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.846589][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.846589][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.846589][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.846589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.846589][   T10] 
[ 8716.848133][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8716.848133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8716.848133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8716.848133][   T10]      ipv6_find_idev+0x102/0x170
[ 8716.848133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8716.848133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8716.848133][   T10]      netlink_rcv_skb+0x130/0x360
[ 8716.848133][   T10]      netlink_unicast+0x449/0x710
[ 8716.848133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8716.848133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8716.848133][   T10]      ___sys_sendmsg+0xee/0x170
[ 8716.848133][   T10]      __sys_sendmsg+0xcd/0x170
[ 8716.848133][   T10]      do_syscall_64+0xc6/0x1e0
[ 8716.848133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8716.848133][   T10] 
[ 8718.362905][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8718.363447][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8718.363447][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8718.363447][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8718.363447][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8718.363447][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8718.363447][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8718.363447][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8718.363447][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8718.363447][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8718.363447][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8718.363447][ T1078]      netlink_unicast+0x449/0x710
[ 8718.363447][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8718.363447][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8718.363447][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8718.363447][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8718.363447][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8718.363447][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8718.363447][ T1078] 
[ 8718.365724][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8718.365724][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8718.365724][ T1078]      ipv6_find_idev+0x102/0x170
[ 8718.365724][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8718.365724][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8718.365724][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8718.365724][ T1078]      netlink_unicast+0x449/0x710
[ 8718.365724][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8718.365724][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8718.365724][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8718.365724][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8718.365724][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8718.365724][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8718.365724][ T1078] 
[ 8718.367462][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8718.367462][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8718.367462][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8718.367462][ T1078]      ipv6_find_idev+0x102/0x170
[ 8718.367462][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8718.367462][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8718.367462][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8718.367462][ T1078]      netlink_unicast+0x449/0x710
[ 8718.367462][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8718.367462][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8718.367462][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8718.367462][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8718.367462][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8718.367462][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8718.367462][ T1078] 
[ 8727.090826][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8727.091280][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8727.091280][   T10]      netdev_get_by_index+0x5e/0x80
[ 8727.091280][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8727.091280][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8727.091280][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8727.091280][   T10]      ipv6_add_addr+0x411/0x2000
[ 8727.091280][   T10]      inet6_addr_add+0x30e/0xa40
[ 8727.091280][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8727.091280][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.091280][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.091280][   T10]      netlink_unicast+0x449/0x710
[ 8727.091280][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.091280][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.091280][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.091280][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.091280][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.091280][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.091280][   T10] 
[ 8727.093307][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8727.093307][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8727.093307][   T10]      ipv6_find_idev+0x102/0x170
[ 8727.093307][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8727.093307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.093307][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.093307][   T10]      netlink_unicast+0x449/0x710
[ 8727.093307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.093307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.093307][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.093307][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.093307][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.093307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.093307][   T10] 
[ 8727.094861][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8727.094861][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8727.094861][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8727.094861][   T10]      ipv6_find_idev+0x102/0x170
[ 8727.094861][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8727.094861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.094861][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.094861][   T10]      netlink_unicast+0x449/0x710
[ 8727.094861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.094861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.094861][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.094861][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.094861][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.094861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.094861][   T10] 
[ 8727.096547][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8727.096801][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8727.096801][   T10]      netdev_get_by_index+0x5e/0x80
[ 8727.096801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8727.096801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8727.096801][   T10]      ip6_route_add+0x1c/0x140
[ 8727.096801][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8727.096801][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8727.096801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8727.096801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.096801][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.096801][   T10]      netlink_unicast+0x449/0x710
[ 8727.096801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.096801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.096801][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.096801][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.096801][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.096801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.096801][   T10] 
[ 8727.098800][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8727.098800][   T10]      netdev_get_by_index+0x5e/0x80
[ 8727.098800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8727.098800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8727.098800][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8727.098800][   T10]      ipv6_add_addr+0x411/0x2000
[ 8727.098800][   T10]      inet6_addr_add+0x30e/0xa40
[ 8727.098800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8727.098800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.098800][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.098800][   T10]      netlink_unicast+0x449/0x710
[ 8727.098800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.098800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.098800][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.098800][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.098800][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.098800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.098800][   T10] 
[ 8727.100796][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8727.100796][   T10]      netdev_get_by_index+0x5e/0x80
[ 8727.100796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8727.100796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8727.100796][   T10]      ip6_route_add+0x1c/0x140
[ 8727.100796][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8727.100796][   T10]      addrconf_add_dev+0xe2/0x170
[ 8727.100796][   T10]      inet6_addr_add+0x12f/0xa40
[ 8727.100796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8727.100796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.100796][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.100796][   T10]      netlink_unicast+0x449/0x710
[ 8727.100796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.100796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.100796][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.100796][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.100796][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.100796][   T10] 
[ 8727.102755][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8727.102755][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8727.102755][   T10]      ipv6_find_idev+0x102/0x170
[ 8727.102755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8727.102755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.102755][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.102755][   T10]      netlink_unicast+0x449/0x710
[ 8727.102755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.102755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.102755][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.102755][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.102755][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.102755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.102755][   T10] 
[ 8727.104307][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8727.104307][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8727.104307][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8727.104307][   T10]      ipv6_find_idev+0x102/0x170
[ 8727.104307][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8727.104307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8727.104307][   T10]      netlink_rcv_skb+0x130/0x360
[ 8727.104307][   T10]      netlink_unicast+0x449/0x710
[ 8727.104307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8727.104307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8727.104307][   T10]      ___sys_sendmsg+0xee/0x170
[ 8727.104307][   T10]      __sys_sendmsg+0xcd/0x170
[ 8727.104307][   T10]      do_syscall_64+0xc6/0x1e0
[ 8727.104307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8727.104307][   T10] 
[ 8728.610813][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8728.611375][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8728.611375][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8728.611375][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8728.611375][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8728.611375][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8728.611375][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8728.611375][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8728.611375][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8728.611375][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8728.611375][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8728.611375][ T1078]      netlink_unicast+0x449/0x710
[ 8728.611375][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8728.611375][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8728.611375][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8728.611375][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8728.611375][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8728.611375][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8728.611375][ T1078] 
[ 8728.613697][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8728.613697][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8728.613697][ T1078]      ipv6_find_idev+0x102/0x170
[ 8728.613697][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8728.613697][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8728.613697][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8728.613697][ T1078]      netlink_unicast+0x449/0x710
[ 8728.613697][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8728.613697][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8728.613697][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8728.613697][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8728.613697][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8728.613697][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8728.613697][ T1078] 
[ 8728.615452][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8728.615452][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8728.615452][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8728.615452][ T1078]      ipv6_find_idev+0x102/0x170
[ 8728.615452][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8728.615452][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8728.615452][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8728.615452][ T1078]      netlink_unicast+0x449/0x710
[ 8728.615452][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8728.615452][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8728.615452][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8728.615452][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8728.615452][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8728.615452][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8728.615452][ T1078] 
[ 8737.346727][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8737.347185][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8737.347185][   T10]      netdev_get_by_index+0x5e/0x80
[ 8737.347185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8737.347185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8737.347185][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8737.347185][   T10]      ipv6_add_addr+0x411/0x2000
[ 8737.347185][   T10]      inet6_addr_add+0x30e/0xa40
[ 8737.347185][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8737.347185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.347185][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.347185][   T10]      netlink_unicast+0x449/0x710
[ 8737.347185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.347185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.347185][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.347185][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.347185][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.347185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.347185][   T10] 
[ 8737.349200][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8737.349200][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8737.349200][   T10]      ipv6_find_idev+0x102/0x170
[ 8737.349200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8737.349200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.349200][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.349200][   T10]      netlink_unicast+0x449/0x710
[ 8737.349200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.349200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.349200][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.349200][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.349200][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.349200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.349200][   T10] 
[ 8737.350738][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8737.350738][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8737.350738][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8737.350738][   T10]      ipv6_find_idev+0x102/0x170
[ 8737.350738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8737.350738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.350738][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.350738][   T10]      netlink_unicast+0x449/0x710
[ 8737.350738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.350738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.350738][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.350738][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.350738][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.350738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.350738][   T10] 
[ 8737.352420][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8737.352657][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8737.352657][   T10]      netdev_get_by_index+0x5e/0x80
[ 8737.352657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8737.352657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8737.352657][   T10]      ip6_route_add+0x1c/0x140
[ 8737.352657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8737.352657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8737.352657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8737.352657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.352657][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.352657][   T10]      netlink_unicast+0x449/0x710
[ 8737.352657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.352657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.352657][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.352657][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.352657][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.352657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.352657][   T10] 
[ 8737.354666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8737.354666][   T10]      netdev_get_by_index+0x5e/0x80
[ 8737.354666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8737.354666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8737.354666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8737.354666][   T10]      ipv6_add_addr+0x411/0x2000
[ 8737.354666][   T10]      inet6_addr_add+0x30e/0xa40
[ 8737.354666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8737.354666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.354666][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.354666][   T10]      netlink_unicast+0x449/0x710
[ 8737.354666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.354666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.354666][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.354666][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.354666][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.354666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.354666][   T10] 
[ 8737.356798][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8737.356798][   T10]      netdev_get_by_index+0x5e/0x80
[ 8737.356798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8737.356798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8737.356798][   T10]      ip6_route_add+0x1c/0x140
[ 8737.356798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8737.356798][   T10]      addrconf_add_dev+0xe2/0x170
[ 8737.356798][   T10]      inet6_addr_add+0x12f/0xa40
[ 8737.356798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8737.356798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.356798][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.356798][   T10]      netlink_unicast+0x449/0x710
[ 8737.356798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.356798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.356798][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.356798][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.356798][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.356798][   T10] 
[ 8737.358758][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8737.358758][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8737.358758][   T10]      ipv6_find_idev+0x102/0x170
[ 8737.358758][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8737.358758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.358758][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.358758][   T10]      netlink_unicast+0x449/0x710
[ 8737.358758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.358758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.358758][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.358758][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.358758][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.358758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.358758][   T10] 
[ 8737.360286][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8737.360286][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8737.360286][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8737.360286][   T10]      ipv6_find_idev+0x102/0x170
[ 8737.360286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8737.360286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8737.360286][   T10]      netlink_rcv_skb+0x130/0x360
[ 8737.360286][   T10]      netlink_unicast+0x449/0x710
[ 8737.360286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8737.360286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8737.360286][   T10]      ___sys_sendmsg+0xee/0x170
[ 8737.360286][   T10]      __sys_sendmsg+0xcd/0x170
[ 8737.360286][   T10]      do_syscall_64+0xc6/0x1e0
[ 8737.360286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8737.360286][   T10] 
[ 8738.858839][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8738.859380][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8738.859380][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8738.859380][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8738.859380][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8738.859380][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8738.859380][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8738.859380][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8738.859380][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8738.859380][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8738.859380][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8738.859380][ T1078]      netlink_unicast+0x449/0x710
[ 8738.859380][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8738.859380][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8738.859380][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8738.859380][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8738.859380][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8738.859380][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8738.859380][ T1078] 
[ 8738.861663][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8738.861663][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8738.861663][ T1078]      ipv6_find_idev+0x102/0x170
[ 8738.861663][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8738.861663][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8738.861663][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8738.861663][ T1078]      netlink_unicast+0x449/0x710
[ 8738.861663][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8738.861663][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8738.861663][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8738.861663][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8738.861663][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8738.861663][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8738.861663][ T1078] 
[ 8738.863420][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8738.863420][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8738.863420][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8738.863420][ T1078]      ipv6_find_idev+0x102/0x170
[ 8738.863420][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8738.863420][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8738.863420][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8738.863420][ T1078]      netlink_unicast+0x449/0x710
[ 8738.863420][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8738.863420][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8738.863420][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8738.863420][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8738.863420][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8738.863420][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8738.863420][ T1078] 
[ 8747.602791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8747.603241][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8747.603241][   T10]      netdev_get_by_index+0x5e/0x80
[ 8747.603241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8747.603241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8747.603241][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8747.603241][   T10]      ipv6_add_addr+0x411/0x2000
[ 8747.603241][   T10]      inet6_addr_add+0x30e/0xa40
[ 8747.603241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8747.603241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.603241][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.603241][   T10]      netlink_unicast+0x449/0x710
[ 8747.603241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.603241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.603241][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.603241][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.603241][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.603241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.603241][   T10] 
[ 8747.605281][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8747.605281][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8747.605281][   T10]      ipv6_find_idev+0x102/0x170
[ 8747.605281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8747.605281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.605281][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.605281][   T10]      netlink_unicast+0x449/0x710
[ 8747.605281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.605281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.605281][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.605281][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.605281][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.605281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.605281][   T10] 
[ 8747.606825][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8747.606825][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8747.606825][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8747.606825][   T10]      ipv6_find_idev+0x102/0x170
[ 8747.606825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8747.606825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.606825][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.606825][   T10]      netlink_unicast+0x449/0x710
[ 8747.606825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.606825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.606825][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.606825][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.606825][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.606825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.606825][   T10] 
[ 8747.608510][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8747.608778][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8747.608778][   T10]      netdev_get_by_index+0x5e/0x80
[ 8747.608778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8747.608778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8747.608778][   T10]      ip6_route_add+0x1c/0x140
[ 8747.608778][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8747.608778][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8747.608778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8747.608778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.608778][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.608778][   T10]      netlink_unicast+0x449/0x710
[ 8747.608778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.608778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.608778][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.608778][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.608778][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.608778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.608778][   T10] 
[ 8747.610780][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8747.610780][   T10]      netdev_get_by_index+0x5e/0x80
[ 8747.610780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8747.610780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8747.610780][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8747.610780][   T10]      ipv6_add_addr+0x411/0x2000
[ 8747.610780][   T10]      inet6_addr_add+0x30e/0xa40
[ 8747.610780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8747.610780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.610780][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.610780][   T10]      netlink_unicast+0x449/0x710
[ 8747.610780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.610780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.610780][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.610780][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.610780][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.610780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.610780][   T10] 
[ 8747.612773][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8747.612773][   T10]      netdev_get_by_index+0x5e/0x80
[ 8747.612773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8747.612773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8747.612773][   T10]      ip6_route_add+0x1c/0x140
[ 8747.612773][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8747.612773][   T10]      addrconf_add_dev+0xe2/0x170
[ 8747.612773][   T10]      inet6_addr_add+0x12f/0xa40
[ 8747.612773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8747.612773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.612773][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.612773][   T10]      netlink_unicast+0x449/0x710
[ 8747.612773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.612773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.612773][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.612773][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.612773][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.612773][   T10] 
[ 8747.614737][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8747.614737][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8747.614737][   T10]      ipv6_find_idev+0x102/0x170
[ 8747.614737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8747.614737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.614737][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.614737][   T10]      netlink_unicast+0x449/0x710
[ 8747.614737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.614737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.614737][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.614737][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.614737][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.614737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.614737][   T10] 
[ 8747.616272][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8747.616272][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8747.616272][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8747.616272][   T10]      ipv6_find_idev+0x102/0x170
[ 8747.616272][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8747.616272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8747.616272][   T10]      netlink_rcv_skb+0x130/0x360
[ 8747.616272][   T10]      netlink_unicast+0x449/0x710
[ 8747.616272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8747.616272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8747.616272][   T10]      ___sys_sendmsg+0xee/0x170
[ 8747.616272][   T10]      __sys_sendmsg+0xcd/0x170
[ 8747.616272][   T10]      do_syscall_64+0xc6/0x1e0
[ 8747.616272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8747.616272][   T10] 
[ 8749.106812][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8749.107341][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8749.107341][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8749.107341][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8749.107341][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8749.107341][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8749.107341][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8749.107341][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8749.107341][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8749.107341][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8749.107341][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8749.107341][ T1078]      netlink_unicast+0x449/0x710
[ 8749.107341][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8749.107341][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8749.107341][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8749.107341][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8749.107341][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8749.107341][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8749.107341][ T1078] 
[ 8749.110143][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8749.110143][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8749.110143][ T1078]      ipv6_find_idev+0x102/0x170
[ 8749.110143][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8749.110143][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8749.110143][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8749.110143][ T1078]      netlink_unicast+0x449/0x710
[ 8749.110143][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8749.110143][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8749.110143][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8749.110143][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8749.110143][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8749.110143][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8749.110143][ T1078] 
[ 8749.111875][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8749.111875][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8749.111875][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8749.111875][ T1078]      ipv6_find_idev+0x102/0x170
[ 8749.111875][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8749.111875][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8749.111875][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8749.111875][ T1078]      netlink_unicast+0x449/0x710
[ 8749.111875][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8749.111875][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8749.111875][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8749.111875][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8749.111875][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8749.111875][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8749.111875][ T1078] 
[ 8757.634844][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8757.635322][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8757.635322][   T10]      netdev_get_by_index+0x5e/0x80
[ 8757.635322][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8757.635322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8757.635322][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8757.635322][   T10]      ipv6_add_addr+0x411/0x2000
[ 8757.635322][   T10]      inet6_addr_add+0x30e/0xa40
[ 8757.635322][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8757.635322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.635322][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.635322][   T10]      netlink_unicast+0x449/0x710
[ 8757.635322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.635322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.635322][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.635322][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.635322][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.635322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.635322][   T10] 
[ 8757.637359][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8757.637359][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8757.637359][   T10]      ipv6_find_idev+0x102/0x170
[ 8757.637359][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8757.637359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.637359][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.637359][   T10]      netlink_unicast+0x449/0x710
[ 8757.637359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.637359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.637359][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.637359][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.637359][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.637359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.637359][   T10] 
[ 8757.638921][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8757.638921][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8757.638921][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8757.638921][   T10]      ipv6_find_idev+0x102/0x170
[ 8757.638921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8757.638921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.638921][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.638921][   T10]      netlink_unicast+0x449/0x710
[ 8757.638921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.638921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.638921][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.638921][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.638921][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.638921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.638921][   T10] 
[ 8757.640653][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8757.640914][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8757.640914][   T10]      netdev_get_by_index+0x5e/0x80
[ 8757.640914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8757.640914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8757.640914][   T10]      ip6_route_add+0x1c/0x140
[ 8757.640914][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8757.640914][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8757.640914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8757.640914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.640914][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.640914][   T10]      netlink_unicast+0x449/0x710
[ 8757.640914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.640914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.640914][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.640914][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.640914][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.640914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.640914][   T10] 
[ 8757.642937][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8757.642937][   T10]      netdev_get_by_index+0x5e/0x80
[ 8757.642937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8757.642937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8757.642937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8757.642937][   T10]      ipv6_add_addr+0x411/0x2000
[ 8757.642937][   T10]      inet6_addr_add+0x30e/0xa40
[ 8757.642937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8757.642937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.642937][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.642937][   T10]      netlink_unicast+0x449/0x710
[ 8757.642937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.642937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.642937][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.642937][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.642937][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.642937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.642937][   T10] 
[ 8757.644971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8757.644971][   T10]      netdev_get_by_index+0x5e/0x80
[ 8757.644971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8757.644971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8757.644971][   T10]      ip6_route_add+0x1c/0x140
[ 8757.644971][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8757.644971][   T10]      addrconf_add_dev+0xe2/0x170
[ 8757.644971][   T10]      inet6_addr_add+0x12f/0xa40
[ 8757.644971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8757.644971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.644971][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.644971][   T10]      netlink_unicast+0x449/0x710
[ 8757.644971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.644971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.644971][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.644971][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.644971][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.644971][   T10] 
[ 8757.646954][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8757.646954][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8757.646954][   T10]      ipv6_find_idev+0x102/0x170
[ 8757.646954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8757.646954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.646954][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.646954][   T10]      netlink_unicast+0x449/0x710
[ 8757.646954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.646954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.646954][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.646954][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.646954][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.646954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.646954][   T10] 
[ 8757.648504][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8757.648504][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8757.648504][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8757.648504][   T10]      ipv6_find_idev+0x102/0x170
[ 8757.648504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8757.648504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8757.648504][   T10]      netlink_rcv_skb+0x130/0x360
[ 8757.648504][   T10]      netlink_unicast+0x449/0x710
[ 8757.648504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8757.648504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8757.648504][   T10]      ___sys_sendmsg+0xee/0x170
[ 8757.648504][   T10]      __sys_sendmsg+0xcd/0x170
[ 8757.648504][   T10]      do_syscall_64+0xc6/0x1e0
[ 8757.648504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8757.648504][   T10] 
[ 8759.170859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8759.171400][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8759.171400][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8759.171400][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8759.171400][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8759.171400][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8759.171400][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8759.171400][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8759.171400][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8759.171400][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8759.171400][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8759.171400][ T1078]      netlink_unicast+0x449/0x710
[ 8759.171400][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8759.171400][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8759.171400][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8759.171400][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8759.171400][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8759.171400][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8759.171400][ T1078] 
[ 8759.173706][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8759.173706][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8759.173706][ T1078]      ipv6_find_idev+0x102/0x170
[ 8759.173706][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8759.173706][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8759.173706][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8759.173706][ T1078]      netlink_unicast+0x449/0x710
[ 8759.173706][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8759.173706][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8759.173706][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8759.173706][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8759.173706][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8759.173706][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8759.173706][ T1078] 
[ 8759.175439][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8759.175439][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8759.175439][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8759.175439][ T1078]      ipv6_find_idev+0x102/0x170
[ 8759.175439][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8759.175439][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8759.175439][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8759.175439][ T1078]      netlink_unicast+0x449/0x710
[ 8759.175439][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8759.175439][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8759.175439][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8759.175439][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8759.175439][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8759.175439][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8759.175439][ T1078] 
[ 8767.890796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8767.891277][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8767.891277][   T10]      netdev_get_by_index+0x5e/0x80
[ 8767.891277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8767.891277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8767.891277][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8767.891277][   T10]      ipv6_add_addr+0x411/0x2000
[ 8767.891277][   T10]      inet6_addr_add+0x30e/0xa40
[ 8767.891277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8767.891277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.891277][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.891277][   T10]      netlink_unicast+0x449/0x710
[ 8767.891277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.891277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.891277][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.891277][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.891277][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.891277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.891277][   T10] 
[ 8767.893330][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8767.893330][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8767.893330][   T10]      ipv6_find_idev+0x102/0x170
[ 8767.893330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8767.893330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.893330][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.893330][   T10]      netlink_unicast+0x449/0x710
[ 8767.893330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.893330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.893330][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.893330][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.893330][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.893330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.893330][   T10] 
[ 8767.894889][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8767.894889][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8767.894889][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8767.894889][   T10]      ipv6_find_idev+0x102/0x170
[ 8767.894889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8767.894889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.894889][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.894889][   T10]      netlink_unicast+0x449/0x710
[ 8767.894889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.894889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.894889][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.894889][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.894889][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.894889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.894889][   T10] 
[ 8767.896605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8767.896864][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8767.896864][   T10]      netdev_get_by_index+0x5e/0x80
[ 8767.896864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8767.896864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8767.896864][   T10]      ip6_route_add+0x1c/0x140
[ 8767.896864][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8767.896864][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8767.896864][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8767.896864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.896864][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.896864][   T10]      netlink_unicast+0x449/0x710
[ 8767.896864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.896864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.896864][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.896864][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.896864][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.896864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.896864][   T10] 
[ 8767.898893][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8767.898893][   T10]      netdev_get_by_index+0x5e/0x80
[ 8767.898893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8767.898893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8767.898893][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8767.898893][   T10]      ipv6_add_addr+0x411/0x2000
[ 8767.898893][   T10]      inet6_addr_add+0x30e/0xa40
[ 8767.898893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8767.898893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.898893][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.898893][   T10]      netlink_unicast+0x449/0x710
[ 8767.898893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.898893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.898893][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.898893][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.898893][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.898893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.898893][   T10] 
[ 8767.900904][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8767.900904][   T10]      netdev_get_by_index+0x5e/0x80
[ 8767.900904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8767.900904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8767.900904][   T10]      ip6_route_add+0x1c/0x140
[ 8767.900904][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8767.900904][   T10]      addrconf_add_dev+0xe2/0x170
[ 8767.900904][   T10]      inet6_addr_add+0x12f/0xa40
[ 8767.900904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8767.900904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.900904][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.900904][   T10]      netlink_unicast+0x449/0x710
[ 8767.900904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.900904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.900904][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.900904][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.900904][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.900904][   T10] 
[ 8767.902883][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8767.902883][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8767.902883][   T10]      ipv6_find_idev+0x102/0x170
[ 8767.902883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8767.902883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.902883][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.902883][   T10]      netlink_unicast+0x449/0x710
[ 8767.902883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.902883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.902883][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.902883][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.902883][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.902883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.902883][   T10] 
[ 8767.904443][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8767.904443][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8767.904443][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8767.904443][   T10]      ipv6_find_idev+0x102/0x170
[ 8767.904443][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8767.904443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8767.904443][   T10]      netlink_rcv_skb+0x130/0x360
[ 8767.904443][   T10]      netlink_unicast+0x449/0x710
[ 8767.904443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8767.904443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8767.904443][   T10]      ___sys_sendmsg+0xee/0x170
[ 8767.904443][   T10]      __sys_sendmsg+0xcd/0x170
[ 8767.904443][   T10]      do_syscall_64+0xc6/0x1e0
[ 8767.904443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8767.904443][   T10] 
[ 8769.418794][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8769.419332][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8769.419332][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8769.419332][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8769.419332][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8769.419332][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8769.419332][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8769.419332][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8769.419332][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8769.419332][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8769.419332][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8769.419332][ T1078]      netlink_unicast+0x449/0x710
[ 8769.419332][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8769.419332][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8769.419332][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8769.419332][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8769.419332][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8769.419332][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8769.419332][ T1078] 
[ 8769.421607][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8769.421607][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8769.421607][ T1078]      ipv6_find_idev+0x102/0x170
[ 8769.421607][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8769.421607][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8769.421607][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8769.421607][ T1078]      netlink_unicast+0x449/0x710
[ 8769.421607][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8769.421607][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8769.421607][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8769.421607][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8769.421607][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8769.421607][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8769.421607][ T1078] 
[ 8769.423340][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8769.423340][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8769.423340][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8769.423340][ T1078]      ipv6_find_idev+0x102/0x170
[ 8769.423340][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8769.423340][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8769.423340][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8769.423340][ T1078]      netlink_unicast+0x449/0x710
[ 8769.423340][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8769.423340][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8769.423340][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8769.423340][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8769.423340][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8769.423340][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8769.423340][ T1078] 
[ 8778.146800][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8778.147281][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8778.147281][   T10]      netdev_get_by_index+0x5e/0x80
[ 8778.147281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8778.147281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8778.147281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8778.147281][   T10]      ipv6_add_addr+0x411/0x2000
[ 8778.147281][   T10]      inet6_addr_add+0x30e/0xa40
[ 8778.147281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8778.147281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.147281][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.147281][   T10]      netlink_unicast+0x449/0x710
[ 8778.147281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.147281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.147281][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.147281][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.147281][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.147281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.147281][   T10] 
[ 8778.149323][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8778.149323][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8778.149323][   T10]      ipv6_find_idev+0x102/0x170
[ 8778.149323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8778.149323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.149323][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.149323][   T10]      netlink_unicast+0x449/0x710
[ 8778.149323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.149323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.149323][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.149323][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.149323][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.149323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.149323][   T10] 
[ 8778.150878][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8778.150878][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8778.150878][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8778.150878][   T10]      ipv6_find_idev+0x102/0x170
[ 8778.150878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8778.150878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.150878][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.150878][   T10]      netlink_unicast+0x449/0x710
[ 8778.150878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.150878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.150878][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.150878][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.150878][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.150878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.150878][   T10] 
[ 8778.152610][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8778.152874][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8778.152874][   T10]      netdev_get_by_index+0x5e/0x80
[ 8778.152874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8778.152874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8778.152874][   T10]      ip6_route_add+0x1c/0x140
[ 8778.152874][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8778.152874][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8778.152874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8778.152874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.152874][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.152874][   T10]      netlink_unicast+0x449/0x710
[ 8778.152874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.152874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.152874][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.152874][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.152874][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.152874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.152874][   T10] 
[ 8778.154902][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8778.154902][   T10]      netdev_get_by_index+0x5e/0x80
[ 8778.154902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8778.154902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8778.154902][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8778.154902][   T10]      ipv6_add_addr+0x411/0x2000
[ 8778.154902][   T10]      inet6_addr_add+0x30e/0xa40
[ 8778.154902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8778.154902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.154902][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.154902][   T10]      netlink_unicast+0x449/0x710
[ 8778.154902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.154902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.154902][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.154902][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.154902][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.154902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.154902][   T10] 
[ 8778.156912][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8778.156912][   T10]      netdev_get_by_index+0x5e/0x80
[ 8778.156912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8778.156912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8778.156912][   T10]      ip6_route_add+0x1c/0x140
[ 8778.156912][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8778.156912][   T10]      addrconf_add_dev+0xe2/0x170
[ 8778.156912][   T10]      inet6_addr_add+0x12f/0xa40
[ 8778.156912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8778.156912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.156912][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.156912][   T10]      netlink_unicast+0x449/0x710
[ 8778.156912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.156912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.156912][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.156912][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.156912][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.156912][   T10] 
[ 8778.158889][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8778.158889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8778.158889][   T10]      ipv6_find_idev+0x102/0x170
[ 8778.158889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8778.158889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.158889][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.158889][   T10]      netlink_unicast+0x449/0x710
[ 8778.158889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.158889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.158889][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.158889][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.158889][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.158889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.158889][   T10] 
[ 8778.160438][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8778.160438][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8778.160438][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8778.160438][   T10]      ipv6_find_idev+0x102/0x170
[ 8778.160438][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8778.160438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8778.160438][   T10]      netlink_rcv_skb+0x130/0x360
[ 8778.160438][   T10]      netlink_unicast+0x449/0x710
[ 8778.160438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8778.160438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8778.160438][   T10]      ___sys_sendmsg+0xee/0x170
[ 8778.160438][   T10]      __sys_sendmsg+0xcd/0x170
[ 8778.160438][   T10]      do_syscall_64+0xc6/0x1e0
[ 8778.160438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8778.160438][   T10] 
[ 8779.666827][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8779.667366][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8779.667366][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8779.667366][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8779.667366][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8779.667366][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8779.667366][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8779.667366][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8779.667366][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8779.667366][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8779.667366][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8779.667366][ T1078]      netlink_unicast+0x449/0x710
[ 8779.667366][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8779.667366][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8779.667366][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8779.667366][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8779.667366][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8779.667366][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8779.667366][ T1078] 
[ 8779.669630][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8779.669630][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8779.669630][ T1078]      ipv6_find_idev+0x102/0x170
[ 8779.669630][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8779.669630][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8779.669630][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8779.669630][ T1078]      netlink_unicast+0x449/0x710
[ 8779.669630][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8779.669630][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8779.669630][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8779.669630][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8779.669630][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8779.669630][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8779.669630][ T1078] 
[ 8779.671359][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8779.671359][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8779.671359][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8779.671359][ T1078]      ipv6_find_idev+0x102/0x170
[ 8779.671359][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8779.671359][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8779.671359][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8779.671359][ T1078]      netlink_unicast+0x449/0x710
[ 8779.671359][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8779.671359][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8779.671359][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8779.671359][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8779.671359][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8779.671359][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8779.671359][ T1078] 
[ 8788.402798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8788.403294][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8788.403294][   T10]      netdev_get_by_index+0x5e/0x80
[ 8788.403294][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8788.403294][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8788.403294][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8788.403294][   T10]      ipv6_add_addr+0x411/0x2000
[ 8788.403294][   T10]      inet6_addr_add+0x30e/0xa40
[ 8788.403294][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8788.403294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.403294][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.403294][   T10]      netlink_unicast+0x449/0x710
[ 8788.403294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.403294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.403294][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.403294][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.403294][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.403294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.403294][   T10] 
[ 8788.405333][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8788.405333][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8788.405333][   T10]      ipv6_find_idev+0x102/0x170
[ 8788.405333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8788.405333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.405333][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.405333][   T10]      netlink_unicast+0x449/0x710
[ 8788.405333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.405333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.405333][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.405333][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.405333][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.405333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.405333][   T10] 
[ 8788.406890][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8788.406890][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8788.406890][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8788.406890][   T10]      ipv6_find_idev+0x102/0x170
[ 8788.406890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8788.406890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.406890][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.406890][   T10]      netlink_unicast+0x449/0x710
[ 8788.406890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.406890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.406890][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.406890][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.406890][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.406890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.406890][   T10] 
[ 8788.408617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8788.408877][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8788.408877][   T10]      netdev_get_by_index+0x5e/0x80
[ 8788.408877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8788.408877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8788.408877][   T10]      ip6_route_add+0x1c/0x140
[ 8788.408877][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8788.408877][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8788.408877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8788.408877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.408877][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.408877][   T10]      netlink_unicast+0x449/0x710
[ 8788.408877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.408877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.408877][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.408877][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.408877][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.408877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.408877][   T10] 
[ 8788.410903][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8788.410903][   T10]      netdev_get_by_index+0x5e/0x80
[ 8788.410903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8788.410903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8788.410903][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8788.410903][   T10]      ipv6_add_addr+0x411/0x2000
[ 8788.410903][   T10]      inet6_addr_add+0x30e/0xa40
[ 8788.410903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8788.410903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.410903][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.410903][   T10]      netlink_unicast+0x449/0x710
[ 8788.410903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.410903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.410903][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.410903][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.410903][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.410903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.410903][   T10] 
[ 8788.412916][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8788.412916][   T10]      netdev_get_by_index+0x5e/0x80
[ 8788.412916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8788.412916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8788.412916][   T10]      ip6_route_add+0x1c/0x140
[ 8788.412916][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8788.412916][   T10]      addrconf_add_dev+0xe2/0x170
[ 8788.412916][   T10]      inet6_addr_add+0x12f/0xa40
[ 8788.412916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8788.412916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.412916][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.412916][   T10]      netlink_unicast+0x449/0x710
[ 8788.412916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.412916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.412916][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.412916][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.412916][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.412916][   T10] 
[ 8788.414896][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8788.414896][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8788.414896][   T10]      ipv6_find_idev+0x102/0x170
[ 8788.414896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8788.414896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.414896][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.414896][   T10]      netlink_unicast+0x449/0x710
[ 8788.414896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.414896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.414896][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.414896][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.414896][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.414896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.414896][   T10] 
[ 8788.416540][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8788.416540][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8788.416540][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8788.416540][   T10]      ipv6_find_idev+0x102/0x170
[ 8788.416540][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8788.416540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8788.416540][   T10]      netlink_rcv_skb+0x130/0x360
[ 8788.416540][   T10]      netlink_unicast+0x449/0x710
[ 8788.416540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8788.416540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8788.416540][   T10]      ___sys_sendmsg+0xee/0x170
[ 8788.416540][   T10]      __sys_sendmsg+0xcd/0x170
[ 8788.416540][   T10]      do_syscall_64+0xc6/0x1e0
[ 8788.416540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8788.416540][   T10] 
[ 8789.914805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8789.915345][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8789.915345][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8789.915345][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8789.915345][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8789.915345][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8789.915345][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8789.915345][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8789.915345][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8789.915345][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8789.915345][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8789.915345][ T1078]      netlink_unicast+0x449/0x710
[ 8789.915345][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8789.915345][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8789.915345][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8789.915345][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8789.915345][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8789.915345][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8789.915345][ T1078] 
[ 8789.917610][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8789.917610][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8789.917610][ T1078]      ipv6_find_idev+0x102/0x170
[ 8789.917610][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8789.917610][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8789.917610][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8789.917610][ T1078]      netlink_unicast+0x449/0x710
[ 8789.917610][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8789.917610][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8789.917610][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8789.917610][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8789.917610][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8789.917610][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8789.917610][ T1078] 
[ 8789.919341][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8789.919341][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8789.919341][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8789.919341][ T1078]      ipv6_find_idev+0x102/0x170
[ 8789.919341][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8789.919341][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8789.919341][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8789.919341][ T1078]      netlink_unicast+0x449/0x710
[ 8789.919341][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8789.919341][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8789.919341][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8789.919341][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8789.919341][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8789.919341][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8789.919341][ T1078] 
[ 8798.658807][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8798.659218][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8798.659218][   T10]      netdev_get_by_index+0x5e/0x80
[ 8798.659218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8798.659218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8798.659218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8798.659218][   T10]      ipv6_add_addr+0x411/0x2000
[ 8798.659218][   T10]      inet6_addr_add+0x30e/0xa40
[ 8798.659218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8798.659218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.659218][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.659218][   T10]      netlink_unicast+0x449/0x710
[ 8798.659218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.659218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.659218][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.659218][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.659218][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.659218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.659218][   T10] 
[ 8798.661272][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8798.661272][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8798.661272][   T10]      ipv6_find_idev+0x102/0x170
[ 8798.661272][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8798.661272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.661272][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.661272][   T10]      netlink_unicast+0x449/0x710
[ 8798.661272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.661272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.661272][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.661272][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.661272][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.661272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.661272][   T10] 
[ 8798.662837][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8798.662837][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8798.662837][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8798.662837][   T10]      ipv6_find_idev+0x102/0x170
[ 8798.662837][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8798.662837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.662837][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.662837][   T10]      netlink_unicast+0x449/0x710
[ 8798.662837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.662837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.662837][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.662837][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.662837][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.662837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.662837][   T10] 
[ 8798.664576][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8798.664843][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8798.664843][   T10]      netdev_get_by_index+0x5e/0x80
[ 8798.664843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8798.664843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8798.664843][   T10]      ip6_route_add+0x1c/0x140
[ 8798.664843][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8798.664843][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8798.664843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8798.664843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.664843][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.664843][   T10]      netlink_unicast+0x449/0x710
[ 8798.664843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.664843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.664843][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.664843][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.664843][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.664843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.664843][   T10] 
[ 8798.666876][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8798.666876][   T10]      netdev_get_by_index+0x5e/0x80
[ 8798.666876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8798.666876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8798.666876][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8798.666876][   T10]      ipv6_add_addr+0x411/0x2000
[ 8798.666876][   T10]      inet6_addr_add+0x30e/0xa40
[ 8798.666876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8798.666876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.666876][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.666876][   T10]      netlink_unicast+0x449/0x710
[ 8798.666876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.666876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.666876][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.666876][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.666876][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.666876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.666876][   T10] 
[ 8798.668903][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8798.668903][   T10]      netdev_get_by_index+0x5e/0x80
[ 8798.668903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8798.668903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8798.668903][   T10]      ip6_route_add+0x1c/0x140
[ 8798.668903][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8798.668903][   T10]      addrconf_add_dev+0xe2/0x170
[ 8798.668903][   T10]      inet6_addr_add+0x12f/0xa40
[ 8798.668903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8798.668903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.668903][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.668903][   T10]      netlink_unicast+0x449/0x710
[ 8798.668903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.668903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.668903][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.668903][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.668903][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.668903][   T10] 
[ 8798.670885][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8798.670885][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8798.670885][   T10]      ipv6_find_idev+0x102/0x170
[ 8798.670885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8798.670885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.670885][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.670885][   T10]      netlink_unicast+0x449/0x710
[ 8798.670885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.670885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.670885][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.670885][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.670885][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.670885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.670885][   T10] 
[ 8798.672454][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8798.672454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8798.672454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8798.672454][   T10]      ipv6_find_idev+0x102/0x170
[ 8798.672454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8798.672454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8798.672454][   T10]      netlink_rcv_skb+0x130/0x360
[ 8798.672454][   T10]      netlink_unicast+0x449/0x710
[ 8798.672454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8798.672454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8798.672454][   T10]      ___sys_sendmsg+0xee/0x170
[ 8798.672454][   T10]      __sys_sendmsg+0xcd/0x170
[ 8798.672454][   T10]      do_syscall_64+0xc6/0x1e0
[ 8798.672454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8798.672454][   T10] 
[ 8800.162819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8800.163361][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8800.163361][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8800.163361][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8800.163361][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8800.163361][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8800.163361][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8800.163361][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8800.163361][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8800.163361][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8800.163361][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8800.163361][ T1078]      netlink_unicast+0x449/0x710
[ 8800.163361][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8800.163361][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8800.163361][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8800.163361][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8800.163361][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8800.163361][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8800.163361][ T1078] 
[ 8800.165627][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8800.165627][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8800.165627][ T1078]      ipv6_find_idev+0x102/0x170
[ 8800.165627][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8800.165627][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8800.165627][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8800.165627][ T1078]      netlink_unicast+0x449/0x710
[ 8800.165627][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8800.165627][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8800.165627][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8800.165627][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8800.165627][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8800.165627][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8800.165627][ T1078] 
[ 8800.167363][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8800.167363][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8800.167363][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8800.167363][ T1078]      ipv6_find_idev+0x102/0x170
[ 8800.167363][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8800.167363][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8800.167363][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8800.167363][ T1078]      netlink_unicast+0x449/0x710
[ 8800.167363][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8800.167363][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8800.167363][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8800.167363][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8800.167363][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8800.167363][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8800.167363][ T1078] 
[ 8808.914886][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8808.915373][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8808.915373][   T10]      netdev_get_by_index+0x5e/0x80
[ 8808.915373][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8808.915373][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8808.915373][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8808.915373][   T10]      ipv6_add_addr+0x411/0x2000
[ 8808.915373][   T10]      inet6_addr_add+0x30e/0xa40
[ 8808.915373][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8808.915373][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.915373][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.915373][   T10]      netlink_unicast+0x449/0x710
[ 8808.915373][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.915373][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.915373][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.915373][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.915373][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.915373][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.915373][   T10] 
[ 8808.917567][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8808.917567][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8808.917567][   T10]      ipv6_find_idev+0x102/0x170
[ 8808.917567][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8808.917567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.917567][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.917567][   T10]      netlink_unicast+0x449/0x710
[ 8808.917567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.917567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.917567][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.917567][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.917567][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.917567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.917567][   T10] 
[ 8808.919135][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8808.919135][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8808.919135][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8808.919135][   T10]      ipv6_find_idev+0x102/0x170
[ 8808.919135][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8808.919135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.919135][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.919135][   T10]      netlink_unicast+0x449/0x710
[ 8808.919135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.919135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.919135][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.919135][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.919135][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.919135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.919135][   T10] 
[ 8808.920874][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8808.921122][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8808.921122][   T10]      netdev_get_by_index+0x5e/0x80
[ 8808.921122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8808.921122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8808.921122][   T10]      ip6_route_add+0x1c/0x140
[ 8808.921122][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8808.921122][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8808.921122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8808.921122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.921122][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.921122][   T10]      netlink_unicast+0x449/0x710
[ 8808.921122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.921122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.921122][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.921122][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.921122][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.921122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.921122][   T10] 
[ 8808.923269][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8808.923269][   T10]      netdev_get_by_index+0x5e/0x80
[ 8808.923269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8808.923269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8808.923269][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8808.923269][   T10]      ipv6_add_addr+0x411/0x2000
[ 8808.923269][   T10]      inet6_addr_add+0x30e/0xa40
[ 8808.923269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8808.923269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.923269][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.923269][   T10]      netlink_unicast+0x449/0x710
[ 8808.923269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.923269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.923269][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.923269][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.923269][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.923269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.923269][   T10] 
[ 8808.925299][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8808.925299][   T10]      netdev_get_by_index+0x5e/0x80
[ 8808.925299][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8808.925299][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8808.925299][   T10]      ip6_route_add+0x1c/0x140
[ 8808.925299][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8808.925299][   T10]      addrconf_add_dev+0xe2/0x170
[ 8808.925299][   T10]      inet6_addr_add+0x12f/0xa40
[ 8808.925299][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8808.925299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.925299][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.925299][   T10]      netlink_unicast+0x449/0x710
[ 8808.925299][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.925299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.925299][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.925299][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.925299][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.925299][   T10] 
[ 8808.927275][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8808.927275][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8808.927275][   T10]      ipv6_find_idev+0x102/0x170
[ 8808.927275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8808.927275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.927275][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.927275][   T10]      netlink_unicast+0x449/0x710
[ 8808.927275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.927275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.927275][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.927275][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.927275][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.927275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.927275][   T10] 
[ 8808.928828][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8808.928828][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8808.928828][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8808.928828][   T10]      ipv6_find_idev+0x102/0x170
[ 8808.928828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8808.928828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8808.928828][   T10]      netlink_rcv_skb+0x130/0x360
[ 8808.928828][   T10]      netlink_unicast+0x449/0x710
[ 8808.928828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8808.928828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8808.928828][   T10]      ___sys_sendmsg+0xee/0x170
[ 8808.928828][   T10]      __sys_sendmsg+0xcd/0x170
[ 8808.928828][   T10]      do_syscall_64+0xc6/0x1e0
[ 8808.928828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8808.928828][   T10] 
[ 8810.410836][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8810.411306][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8810.411306][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8810.411306][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8810.411306][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8810.411306][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8810.411306][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8810.411306][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8810.411306][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8810.411306][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8810.411306][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8810.411306][ T1078]      netlink_unicast+0x449/0x710
[ 8810.411306][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8810.411306][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8810.411306][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8810.411306][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8810.411306][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8810.411306][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8810.411306][ T1078] 
[ 8810.413594][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8810.413594][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8810.413594][ T1078]      ipv6_find_idev+0x102/0x170
[ 8810.413594][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8810.413594][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8810.413594][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8810.413594][ T1078]      netlink_unicast+0x449/0x710
[ 8810.413594][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8810.413594][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8810.413594][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8810.413594][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8810.413594][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8810.413594][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8810.413594][ T1078] 
[ 8810.415357][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8810.415357][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8810.415357][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8810.415357][ T1078]      ipv6_find_idev+0x102/0x170
[ 8810.415357][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8810.415357][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8810.415357][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8810.415357][ T1078]      netlink_unicast+0x449/0x710
[ 8810.415357][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8810.415357][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8810.415357][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8810.415357][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8810.415357][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8810.415357][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8810.415357][ T1078] 
[ 8819.106818][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8819.107274][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8819.107274][   T10]      netdev_get_by_index+0x5e/0x80
[ 8819.107274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8819.107274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8819.107274][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8819.107274][   T10]      ipv6_add_addr+0x411/0x2000
[ 8819.107274][   T10]      inet6_addr_add+0x30e/0xa40
[ 8819.107274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8819.107274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.107274][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.107274][   T10]      netlink_unicast+0x449/0x710
[ 8819.107274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.107274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.107274][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.107274][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.107274][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.107274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.107274][   T10] 
[ 8819.109300][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8819.109300][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8819.109300][   T10]      ipv6_find_idev+0x102/0x170
[ 8819.109300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8819.109300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.109300][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.109300][   T10]      netlink_unicast+0x449/0x710
[ 8819.109300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.109300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.109300][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.109300][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.109300][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.109300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.109300][   T10] 
[ 8819.110841][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8819.110841][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8819.110841][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8819.110841][   T10]      ipv6_find_idev+0x102/0x170
[ 8819.110841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8819.110841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.110841][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.110841][   T10]      netlink_unicast+0x449/0x710
[ 8819.110841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.110841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.110841][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.110841][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.110841][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.110841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.110841][   T10] 
[ 8819.112528][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8819.112784][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8819.112784][   T10]      netdev_get_by_index+0x5e/0x80
[ 8819.112784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8819.112784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8819.112784][   T10]      ip6_route_add+0x1c/0x140
[ 8819.112784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8819.112784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8819.112784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8819.112784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.112784][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.112784][   T10]      netlink_unicast+0x449/0x710
[ 8819.112784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.112784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.112784][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.112784][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.112784][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.112784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.112784][   T10] 
[ 8819.114797][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8819.114797][   T10]      netdev_get_by_index+0x5e/0x80
[ 8819.114797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8819.114797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8819.114797][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8819.114797][   T10]      ipv6_add_addr+0x411/0x2000
[ 8819.114797][   T10]      inet6_addr_add+0x30e/0xa40
[ 8819.114797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8819.114797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.114797][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.114797][   T10]      netlink_unicast+0x449/0x710
[ 8819.114797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.114797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.114797][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.114797][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.114797][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.114797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.114797][   T10] 
[ 8819.116793][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8819.116793][   T10]      netdev_get_by_index+0x5e/0x80
[ 8819.116793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8819.116793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8819.116793][   T10]      ip6_route_add+0x1c/0x140
[ 8819.116793][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8819.116793][   T10]      addrconf_add_dev+0xe2/0x170
[ 8819.116793][   T10]      inet6_addr_add+0x12f/0xa40
[ 8819.116793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8819.116793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.116793][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.116793][   T10]      netlink_unicast+0x449/0x710
[ 8819.116793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.116793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.116793][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.116793][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.116793][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.116793][   T10] 
[ 8819.118763][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8819.118763][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8819.118763][   T10]      ipv6_find_idev+0x102/0x170
[ 8819.118763][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8819.118763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.118763][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.118763][   T10]      netlink_unicast+0x449/0x710
[ 8819.118763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.118763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.118763][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.118763][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.118763][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.118763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.118763][   T10] 
[ 8819.120847][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8819.120847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8819.120847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8819.120847][   T10]      ipv6_find_idev+0x102/0x170
[ 8819.120847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8819.120847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8819.120847][   T10]      netlink_rcv_skb+0x130/0x360
[ 8819.120847][   T10]      netlink_unicast+0x449/0x710
[ 8819.120847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8819.120847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8819.120847][   T10]      ___sys_sendmsg+0xee/0x170
[ 8819.120847][   T10]      __sys_sendmsg+0xcd/0x170
[ 8819.120847][   T10]      do_syscall_64+0xc6/0x1e0
[ 8819.120847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8819.120847][   T10] 
[ 8820.642796][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8820.643392][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8820.643392][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8820.643392][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8820.643392][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8820.643392][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8820.643392][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8820.643392][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8820.643392][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8820.643392][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8820.643392][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8820.643392][ T1078]      netlink_unicast+0x449/0x710
[ 8820.643392][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8820.643392][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8820.643392][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8820.643392][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8820.643392][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8820.643392][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8820.643392][ T1078] 
[ 8820.645693][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8820.645693][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8820.645693][ T1078]      ipv6_find_idev+0x102/0x170
[ 8820.645693][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8820.645693][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8820.645693][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8820.645693][ T1078]      netlink_unicast+0x449/0x710
[ 8820.645693][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8820.645693][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8820.645693][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8820.645693][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8820.645693][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8820.645693][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8820.645693][ T1078] 
[ 8820.647450][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8820.647450][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8820.647450][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8820.647450][ T1078]      ipv6_find_idev+0x102/0x170
[ 8820.647450][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8820.647450][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8820.647450][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8820.647450][ T1078]      netlink_unicast+0x449/0x710
[ 8820.647450][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8820.647450][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8820.647450][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8820.647450][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8820.647450][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8820.647450][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8820.647450][ T1078] 
[ 8829.362796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8829.363298][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8829.363298][   T10]      netdev_get_by_index+0x5e/0x80
[ 8829.363298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8829.363298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8829.363298][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8829.363298][   T10]      ipv6_add_addr+0x411/0x2000
[ 8829.363298][   T10]      inet6_addr_add+0x30e/0xa40
[ 8829.363298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8829.363298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.363298][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.363298][   T10]      netlink_unicast+0x449/0x710
[ 8829.363298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.363298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.363298][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.363298][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.363298][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.363298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.363298][   T10] 
[ 8829.365339][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8829.365339][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8829.365339][   T10]      ipv6_find_idev+0x102/0x170
[ 8829.365339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8829.365339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.365339][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.365339][   T10]      netlink_unicast+0x449/0x710
[ 8829.365339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.365339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.365339][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.365339][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.365339][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.365339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.365339][   T10] 
[ 8829.366902][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8829.366902][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8829.366902][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8829.366902][   T10]      ipv6_find_idev+0x102/0x170
[ 8829.366902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8829.366902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.366902][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.366902][   T10]      netlink_unicast+0x449/0x710
[ 8829.366902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.366902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.366902][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.366902][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.366902][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.366902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.366902][   T10] 
[ 8829.368603][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8829.368864][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8829.368864][   T10]      netdev_get_by_index+0x5e/0x80
[ 8829.368864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8829.368864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8829.368864][   T10]      ip6_route_add+0x1c/0x140
[ 8829.368864][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8829.368864][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8829.368864][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8829.368864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.368864][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.368864][   T10]      netlink_unicast+0x449/0x710
[ 8829.368864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.368864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.368864][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.368864][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.368864][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.368864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.368864][   T10] 
[ 8829.370882][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8829.370882][   T10]      netdev_get_by_index+0x5e/0x80
[ 8829.370882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8829.370882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8829.370882][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8829.370882][   T10]      ipv6_add_addr+0x411/0x2000
[ 8829.370882][   T10]      inet6_addr_add+0x30e/0xa40
[ 8829.370882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8829.370882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.370882][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.370882][   T10]      netlink_unicast+0x449/0x710
[ 8829.370882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.370882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.370882][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.370882][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.370882][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.370882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.370882][   T10] 
[ 8829.373044][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8829.373044][   T10]      netdev_get_by_index+0x5e/0x80
[ 8829.373044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8829.373044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8829.373044][   T10]      ip6_route_add+0x1c/0x140
[ 8829.373044][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8829.373044][   T10]      addrconf_add_dev+0xe2/0x170
[ 8829.373044][   T10]      inet6_addr_add+0x12f/0xa40
[ 8829.373044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8829.373044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.373044][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.373044][   T10]      netlink_unicast+0x449/0x710
[ 8829.373044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.373044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.373044][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.373044][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.373044][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.373044][   T10] 
[ 8829.375407][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8829.375407][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8829.375407][   T10]      ipv6_find_idev+0x102/0x170
[ 8829.375407][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8829.375407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.375407][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.375407][   T10]      netlink_unicast+0x449/0x710
[ 8829.375407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.375407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.375407][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.375407][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.375407][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.375407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.375407][   T10] 
[ 8829.376969][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8829.376969][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8829.376969][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8829.376969][   T10]      ipv6_find_idev+0x102/0x170
[ 8829.376969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8829.376969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8829.376969][   T10]      netlink_rcv_skb+0x130/0x360
[ 8829.376969][   T10]      netlink_unicast+0x449/0x710
[ 8829.376969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8829.376969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8829.376969][   T10]      ___sys_sendmsg+0xee/0x170
[ 8829.376969][   T10]      __sys_sendmsg+0xcd/0x170
[ 8829.376969][   T10]      do_syscall_64+0xc6/0x1e0
[ 8829.376969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8829.376969][   T10] 
[ 8830.898829][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8830.899385][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8830.899385][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8830.899385][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8830.899385][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8830.899385][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8830.899385][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8830.899385][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8830.899385][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8830.899385][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8830.899385][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8830.899385][ T1078]      netlink_unicast+0x449/0x710
[ 8830.899385][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8830.899385][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8830.899385][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8830.899385][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8830.899385][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8830.899385][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8830.899385][ T1078] 
[ 8830.901962][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8830.901962][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8830.901962][ T1078]      ipv6_find_idev+0x102/0x170
[ 8830.901962][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8830.901962][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8830.901962][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8830.901962][ T1078]      netlink_unicast+0x449/0x710
[ 8830.901962][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8830.901962][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8830.901962][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8830.901962][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8830.901962][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8830.901962][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8830.901962][ T1078] 
[ 8830.903934][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8830.903934][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8830.903934][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8830.903934][ T1078]      ipv6_find_idev+0x102/0x170
[ 8830.903934][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8830.903934][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8830.903934][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8830.903934][ T1078]      netlink_unicast+0x449/0x710
[ 8830.903934][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8830.903934][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8830.903934][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8830.903934][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8830.903934][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8830.903934][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8830.903934][ T1078] 
[ 8839.618799][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8839.619267][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8839.619267][   T10]      netdev_get_by_index+0x5e/0x80
[ 8839.619267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8839.619267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8839.619267][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8839.619267][   T10]      ipv6_add_addr+0x411/0x2000
[ 8839.619267][   T10]      inet6_addr_add+0x30e/0xa40
[ 8839.619267][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8839.619267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.619267][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.619267][   T10]      netlink_unicast+0x449/0x710
[ 8839.619267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.619267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.619267][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.619267][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.619267][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.619267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.619267][   T10] 
[ 8839.621307][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8839.621307][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8839.621307][   T10]      ipv6_find_idev+0x102/0x170
[ 8839.621307][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8839.621307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.621307][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.621307][   T10]      netlink_unicast+0x449/0x710
[ 8839.621307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.621307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.621307][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.621307][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.621307][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.621307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.621307][   T10] 
[ 8839.622877][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8839.622877][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8839.622877][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8839.622877][   T10]      ipv6_find_idev+0x102/0x170
[ 8839.622877][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8839.622877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.622877][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.622877][   T10]      netlink_unicast+0x449/0x710
[ 8839.622877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.622877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.622877][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.622877][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.622877][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.622877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.622877][   T10] 
[ 8839.624656][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8839.624911][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8839.624911][   T10]      netdev_get_by_index+0x5e/0x80
[ 8839.624911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8839.624911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8839.624911][   T10]      ip6_route_add+0x1c/0x140
[ 8839.624911][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8839.624911][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8839.624911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8839.624911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.624911][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.624911][   T10]      netlink_unicast+0x449/0x710
[ 8839.624911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.624911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.624911][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.624911][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.624911][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.624911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.624911][   T10] 
[ 8839.626939][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8839.626939][   T10]      netdev_get_by_index+0x5e/0x80
[ 8839.626939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8839.626939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8839.626939][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8839.626939][   T10]      ipv6_add_addr+0x411/0x2000
[ 8839.626939][   T10]      inet6_addr_add+0x30e/0xa40
[ 8839.626939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8839.626939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.626939][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.626939][   T10]      netlink_unicast+0x449/0x710
[ 8839.626939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.626939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.626939][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.626939][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.626939][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.626939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.626939][   T10] 
[ 8839.628959][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8839.628959][   T10]      netdev_get_by_index+0x5e/0x80
[ 8839.628959][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8839.628959][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8839.628959][   T10]      ip6_route_add+0x1c/0x140
[ 8839.628959][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8839.628959][   T10]      addrconf_add_dev+0xe2/0x170
[ 8839.628959][   T10]      inet6_addr_add+0x12f/0xa40
[ 8839.628959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8839.628959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.628959][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.628959][   T10]      netlink_unicast+0x449/0x710
[ 8839.628959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.628959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.628959][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.628959][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.628959][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.628959][   T10] 
[ 8839.630961][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8839.630961][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8839.630961][   T10]      ipv6_find_idev+0x102/0x170
[ 8839.630961][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8839.630961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.630961][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.630961][   T10]      netlink_unicast+0x449/0x710
[ 8839.630961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.630961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.630961][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.630961][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.630961][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.630961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.630961][   T10] 
[ 8839.632518][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8839.632518][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8839.632518][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8839.632518][   T10]      ipv6_find_idev+0x102/0x170
[ 8839.632518][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8839.632518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8839.632518][   T10]      netlink_rcv_skb+0x130/0x360
[ 8839.632518][   T10]      netlink_unicast+0x449/0x710
[ 8839.632518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8839.632518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8839.632518][   T10]      ___sys_sendmsg+0xee/0x170
[ 8839.632518][   T10]      __sys_sendmsg+0xcd/0x170
[ 8839.632518][   T10]      do_syscall_64+0xc6/0x1e0
[ 8839.632518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8839.632518][   T10] 
[ 8841.154821][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8841.155361][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8841.155361][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8841.155361][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8841.155361][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8841.155361][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8841.155361][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8841.155361][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8841.155361][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8841.155361][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8841.155361][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8841.155361][ T1078]      netlink_unicast+0x449/0x710
[ 8841.155361][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8841.155361][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8841.155361][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8841.155361][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8841.155361][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8841.155361][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8841.155361][ T1078] 
[ 8841.157671][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8841.157671][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8841.157671][ T1078]      ipv6_find_idev+0x102/0x170
[ 8841.157671][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8841.157671][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8841.157671][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8841.157671][ T1078]      netlink_unicast+0x449/0x710
[ 8841.157671][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8841.157671][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8841.157671][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8841.157671][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8841.157671][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8841.157671][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8841.157671][ T1078] 
[ 8841.159441][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8841.159441][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8841.159441][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8841.159441][ T1078]      ipv6_find_idev+0x102/0x170
[ 8841.159441][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8841.159441][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8841.159441][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8841.159441][ T1078]      netlink_unicast+0x449/0x710
[ 8841.159441][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8841.159441][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8841.159441][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8841.159441][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8841.159441][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8841.159441][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8841.159441][ T1078] 
[ 8849.842908][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8849.843394][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8849.843394][   T10]      netdev_get_by_index+0x5e/0x80
[ 8849.843394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8849.843394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8849.843394][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8849.843394][   T10]      ipv6_add_addr+0x411/0x2000
[ 8849.843394][   T10]      inet6_addr_add+0x30e/0xa40
[ 8849.843394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8849.843394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.843394][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.843394][   T10]      netlink_unicast+0x449/0x710
[ 8849.843394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.843394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.843394][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.843394][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.843394][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.843394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.843394][   T10] 
[ 8849.845437][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8849.845437][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8849.845437][   T10]      ipv6_find_idev+0x102/0x170
[ 8849.845437][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8849.845437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.845437][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.845437][   T10]      netlink_unicast+0x449/0x710
[ 8849.845437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.845437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.845437][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.845437][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.845437][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.845437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.845437][   T10] 
[ 8849.847003][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8849.847003][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8849.847003][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8849.847003][   T10]      ipv6_find_idev+0x102/0x170
[ 8849.847003][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8849.847003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.847003][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.847003][   T10]      netlink_unicast+0x449/0x710
[ 8849.847003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.847003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.847003][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.847003][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.847003][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.847003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.847003][   T10] 
[ 8849.848723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8849.848974][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8849.848974][   T10]      netdev_get_by_index+0x5e/0x80
[ 8849.848974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8849.848974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8849.848974][   T10]      ip6_route_add+0x1c/0x140
[ 8849.848974][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8849.848974][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8849.848974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8849.848974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.848974][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.848974][   T10]      netlink_unicast+0x449/0x710
[ 8849.848974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.848974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.848974][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.848974][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.848974][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.848974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.848974][   T10] 
[ 8849.851013][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8849.851013][   T10]      netdev_get_by_index+0x5e/0x80
[ 8849.851013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8849.851013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8849.851013][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8849.851013][   T10]      ipv6_add_addr+0x411/0x2000
[ 8849.851013][   T10]      inet6_addr_add+0x30e/0xa40
[ 8849.851013][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8849.851013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.851013][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.851013][   T10]      netlink_unicast+0x449/0x710
[ 8849.851013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.851013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.851013][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.851013][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.851013][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.851013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.851013][   T10] 
[ 8849.853046][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8849.853046][   T10]      netdev_get_by_index+0x5e/0x80
[ 8849.853046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8849.853046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8849.853046][   T10]      ip6_route_add+0x1c/0x140
[ 8849.853046][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8849.853046][   T10]      addrconf_add_dev+0xe2/0x170
[ 8849.853046][   T10]      inet6_addr_add+0x12f/0xa40
[ 8849.853046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8849.853046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.853046][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.853046][   T10]      netlink_unicast+0x449/0x710
[ 8849.853046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.853046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.853046][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.853046][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.853046][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.853046][   T10] 
[ 8849.855026][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8849.855026][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8849.855026][   T10]      ipv6_find_idev+0x102/0x170
[ 8849.855026][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8849.855026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.855026][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.855026][   T10]      netlink_unicast+0x449/0x710
[ 8849.855026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.855026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.855026][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.855026][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.855026][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.855026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.855026][   T10] 
[ 8849.856582][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8849.856582][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8849.856582][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8849.856582][   T10]      ipv6_find_idev+0x102/0x170
[ 8849.856582][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8849.856582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8849.856582][   T10]      netlink_rcv_skb+0x130/0x360
[ 8849.856582][   T10]      netlink_unicast+0x449/0x710
[ 8849.856582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8849.856582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8849.856582][   T10]      ___sys_sendmsg+0xee/0x170
[ 8849.856582][   T10]      __sys_sendmsg+0xcd/0x170
[ 8849.856582][   T10]      do_syscall_64+0xc6/0x1e0
[ 8849.856582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8849.856582][   T10] 
[ 8851.378817][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8851.379347][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8851.379347][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8851.379347][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8851.379347][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8851.379347][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8851.379347][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8851.379347][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8851.379347][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8851.379347][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8851.379347][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8851.379347][ T1078]      netlink_unicast+0x449/0x710
[ 8851.379347][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8851.379347][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8851.379347][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8851.379347][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8851.379347][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8851.379347][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8851.379347][ T1078] 
[ 8851.381661][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8851.381661][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8851.381661][ T1078]      ipv6_find_idev+0x102/0x170
[ 8851.381661][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8851.381661][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8851.381661][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8851.381661][ T1078]      netlink_unicast+0x449/0x710
[ 8851.381661][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8851.381661][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8851.381661][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8851.381661][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8851.381661][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8851.381661][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8851.381661][ T1078] 
[ 8851.383434][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8851.383434][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8851.383434][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8851.383434][ T1078]      ipv6_find_idev+0x102/0x170
[ 8851.383434][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8851.383434][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8851.383434][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8851.383434][ T1078]      netlink_unicast+0x449/0x710
[ 8851.383434][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8851.383434][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8851.383434][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8851.383434][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8851.383434][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8851.383434][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8851.383434][ T1078] 
[ 8860.106795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8860.107261][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8860.107261][   T10]      netdev_get_by_index+0x5e/0x80
[ 8860.107261][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8860.107261][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8860.107261][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8860.107261][   T10]      ipv6_add_addr+0x411/0x2000
[ 8860.107261][   T10]      inet6_addr_add+0x30e/0xa40
[ 8860.107261][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8860.107261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.107261][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.107261][   T10]      netlink_unicast+0x449/0x710
[ 8860.107261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.107261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.107261][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.107261][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.107261][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.107261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.107261][   T10] 
[ 8860.109329][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8860.109329][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8860.109329][   T10]      ipv6_find_idev+0x102/0x170
[ 8860.109329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8860.109329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.109329][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.109329][   T10]      netlink_unicast+0x449/0x710
[ 8860.109329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.109329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.109329][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.109329][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.109329][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.109329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.109329][   T10] 
[ 8860.110898][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8860.110898][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8860.110898][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8860.110898][   T10]      ipv6_find_idev+0x102/0x170
[ 8860.110898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8860.110898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.110898][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.110898][   T10]      netlink_unicast+0x449/0x710
[ 8860.110898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.110898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.110898][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.110898][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.110898][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.110898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.110898][   T10] 
[ 8860.112610][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8860.112879][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8860.112879][   T10]      netdev_get_by_index+0x5e/0x80
[ 8860.112879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8860.112879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8860.112879][   T10]      ip6_route_add+0x1c/0x140
[ 8860.112879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8860.112879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8860.112879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8860.112879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.112879][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.112879][   T10]      netlink_unicast+0x449/0x710
[ 8860.112879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.112879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.112879][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.112879][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.112879][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.112879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.112879][   T10] 
[ 8860.114910][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8860.114910][   T10]      netdev_get_by_index+0x5e/0x80
[ 8860.114910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8860.114910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8860.114910][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8860.114910][   T10]      ipv6_add_addr+0x411/0x2000
[ 8860.114910][   T10]      inet6_addr_add+0x30e/0xa40
[ 8860.114910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8860.114910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.114910][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.114910][   T10]      netlink_unicast+0x449/0x710
[ 8860.114910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.114910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.114910][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.114910][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.114910][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.114910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.114910][   T10] 
[ 8860.116934][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8860.116934][   T10]      netdev_get_by_index+0x5e/0x80
[ 8860.116934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8860.116934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8860.116934][   T10]      ip6_route_add+0x1c/0x140
[ 8860.116934][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8860.116934][   T10]      addrconf_add_dev+0xe2/0x170
[ 8860.116934][   T10]      inet6_addr_add+0x12f/0xa40
[ 8860.116934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8860.116934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.116934][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.116934][   T10]      netlink_unicast+0x449/0x710
[ 8860.116934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.116934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.116934][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.116934][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.116934][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.116934][   T10] 
[ 8860.118917][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8860.118917][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8860.118917][   T10]      ipv6_find_idev+0x102/0x170
[ 8860.118917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8860.118917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.118917][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.118917][   T10]      netlink_unicast+0x449/0x710
[ 8860.118917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.118917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.118917][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.118917][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.118917][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.118917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.118917][   T10] 
[ 8860.120482][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8860.120482][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8860.120482][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8860.120482][   T10]      ipv6_find_idev+0x102/0x170
[ 8860.120482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8860.120482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8860.120482][   T10]      netlink_rcv_skb+0x130/0x360
[ 8860.120482][   T10]      netlink_unicast+0x449/0x710
[ 8860.120482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8860.120482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8860.120482][   T10]      ___sys_sendmsg+0xee/0x170
[ 8860.120482][   T10]      __sys_sendmsg+0xcd/0x170
[ 8860.120482][   T10]      do_syscall_64+0xc6/0x1e0
[ 8860.120482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8860.120482][   T10] 
[ 8861.626830][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8861.627372][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8861.627372][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8861.627372][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8861.627372][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8861.627372][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8861.627372][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8861.627372][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8861.627372][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8861.627372][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8861.627372][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8861.627372][ T1078]      netlink_unicast+0x449/0x710
[ 8861.627372][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8861.627372][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8861.627372][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8861.627372][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8861.627372][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8861.627372][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8861.627372][ T1078] 
[ 8861.629680][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8861.629680][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8861.629680][ T1078]      ipv6_find_idev+0x102/0x170
[ 8861.629680][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8861.629680][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8861.629680][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8861.629680][ T1078]      netlink_unicast+0x449/0x710
[ 8861.629680][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8861.629680][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8861.629680][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8861.629680][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8861.629680][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8861.629680][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8861.629680][ T1078] 
[ 8861.631445][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8861.631445][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8861.631445][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8861.631445][ T1078]      ipv6_find_idev+0x102/0x170
[ 8861.631445][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8861.631445][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8861.631445][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8861.631445][ T1078]      netlink_unicast+0x449/0x710
[ 8861.631445][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8861.631445][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8861.631445][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8861.631445][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8861.631445][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8861.631445][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8861.631445][ T1078] 
[ 8870.362823][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8870.363302][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8870.363302][   T10]      netdev_get_by_index+0x5e/0x80
[ 8870.363302][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8870.363302][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8870.363302][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8870.363302][   T10]      ipv6_add_addr+0x411/0x2000
[ 8870.363302][   T10]      inet6_addr_add+0x30e/0xa40
[ 8870.363302][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8870.363302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.363302][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.363302][   T10]      netlink_unicast+0x449/0x710
[ 8870.363302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.363302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.363302][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.363302][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.363302][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.363302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.363302][   T10] 
[ 8870.365350][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8870.365350][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8870.365350][   T10]      ipv6_find_idev+0x102/0x170
[ 8870.365350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8870.365350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.365350][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.365350][   T10]      netlink_unicast+0x449/0x710
[ 8870.365350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.365350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.365350][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.365350][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.365350][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.365350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.365350][   T10] 
[ 8870.366900][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8870.366900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8870.366900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8870.366900][   T10]      ipv6_find_idev+0x102/0x170
[ 8870.366900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8870.366900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.366900][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.366900][   T10]      netlink_unicast+0x449/0x710
[ 8870.366900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.366900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.366900][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.366900][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.366900][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.366900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.366900][   T10] 
[ 8870.368601][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8870.368864][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8870.368864][   T10]      netdev_get_by_index+0x5e/0x80
[ 8870.368864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8870.368864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8870.368864][   T10]      ip6_route_add+0x1c/0x140
[ 8870.368864][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8870.368864][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8870.368864][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8870.368864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.368864][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.368864][   T10]      netlink_unicast+0x449/0x710
[ 8870.368864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.368864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.368864][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.368864][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.368864][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.368864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.368864][   T10] 
[ 8870.370886][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8870.370886][   T10]      netdev_get_by_index+0x5e/0x80
[ 8870.370886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8870.370886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8870.370886][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8870.370886][   T10]      ipv6_add_addr+0x411/0x2000
[ 8870.370886][   T10]      inet6_addr_add+0x30e/0xa40
[ 8870.370886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8870.370886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.370886][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.370886][   T10]      netlink_unicast+0x449/0x710
[ 8870.370886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.370886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.370886][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.370886][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.370886][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.370886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.370886][   T10] 
[ 8870.372909][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8870.372909][   T10]      netdev_get_by_index+0x5e/0x80
[ 8870.372909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8870.372909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8870.372909][   T10]      ip6_route_add+0x1c/0x140
[ 8870.372909][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8870.372909][   T10]      addrconf_add_dev+0xe2/0x170
[ 8870.372909][   T10]      inet6_addr_add+0x12f/0xa40
[ 8870.372909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8870.372909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.372909][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.372909][   T10]      netlink_unicast+0x449/0x710
[ 8870.372909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.372909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.372909][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.372909][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.372909][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.372909][   T10] 
[ 8870.374898][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8870.374898][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8870.374898][   T10]      ipv6_find_idev+0x102/0x170
[ 8870.374898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8870.374898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.374898][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.374898][   T10]      netlink_unicast+0x449/0x710
[ 8870.374898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.374898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.374898][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.374898][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.374898][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.374898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.374898][   T10] 
[ 8870.376449][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8870.376449][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8870.376449][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8870.376449][   T10]      ipv6_find_idev+0x102/0x170
[ 8870.376449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8870.376449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8870.376449][   T10]      netlink_rcv_skb+0x130/0x360
[ 8870.376449][   T10]      netlink_unicast+0x449/0x710
[ 8870.376449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8870.376449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8870.376449][   T10]      ___sys_sendmsg+0xee/0x170
[ 8870.376449][   T10]      __sys_sendmsg+0xcd/0x170
[ 8870.376449][   T10]      do_syscall_64+0xc6/0x1e0
[ 8870.376449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8870.376449][   T10] 
[ 8871.642827][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8871.643391][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8871.643391][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8871.643391][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8871.643391][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8871.643391][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8871.643391][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8871.643391][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8871.643391][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8871.643391][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8871.643391][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8871.643391][ T1078]      netlink_unicast+0x449/0x710
[ 8871.643391][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8871.643391][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8871.643391][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8871.643391][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8871.643391][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8871.643391][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8871.643391][ T1078] 
[ 8871.645680][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8871.645680][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8871.645680][ T1078]      ipv6_find_idev+0x102/0x170
[ 8871.645680][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8871.645680][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8871.645680][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8871.645680][ T1078]      netlink_unicast+0x449/0x710
[ 8871.645680][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8871.645680][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8871.645680][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8871.645680][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8871.645680][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8871.645680][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8871.645680][ T1078] 
[ 8871.647439][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8871.647439][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8871.647439][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8871.647439][ T1078]      ipv6_find_idev+0x102/0x170
[ 8871.647439][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8871.647439][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8871.647439][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8871.647439][ T1078]      netlink_unicast+0x449/0x710
[ 8871.647439][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8871.647439][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8871.647439][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8871.647439][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8871.647439][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8871.647439][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8871.647439][ T1078] 
[ 8880.618866][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8880.619340][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8880.619340][   T10]      netdev_get_by_index+0x5e/0x80
[ 8880.619340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8880.619340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8880.619340][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8880.619340][   T10]      ipv6_add_addr+0x411/0x2000
[ 8880.619340][   T10]      inet6_addr_add+0x30e/0xa40
[ 8880.619340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8880.619340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.619340][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.619340][   T10]      netlink_unicast+0x449/0x710
[ 8880.619340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.619340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.619340][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.619340][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.619340][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.619340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.619340][   T10] 
[ 8880.621393][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8880.621393][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8880.621393][   T10]      ipv6_find_idev+0x102/0x170
[ 8880.621393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8880.621393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.621393][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.621393][   T10]      netlink_unicast+0x449/0x710
[ 8880.621393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.621393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.621393][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.621393][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.621393][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.621393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.621393][   T10] 
[ 8880.622963][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8880.622963][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8880.622963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8880.622963][   T10]      ipv6_find_idev+0x102/0x170
[ 8880.622963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8880.622963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.622963][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.622963][   T10]      netlink_unicast+0x449/0x710
[ 8880.622963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.622963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.622963][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.622963][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.622963][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.622963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.622963][   T10] 
[ 8880.624711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8880.624955][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8880.624955][   T10]      netdev_get_by_index+0x5e/0x80
[ 8880.624955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8880.624955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8880.624955][   T10]      ip6_route_add+0x1c/0x140
[ 8880.624955][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8880.624955][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8880.624955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8880.624955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.624955][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.624955][   T10]      netlink_unicast+0x449/0x710
[ 8880.624955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.624955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.624955][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.624955][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.624955][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.624955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.624955][   T10] 
[ 8880.626980][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8880.626980][   T10]      netdev_get_by_index+0x5e/0x80
[ 8880.626980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8880.626980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8880.626980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8880.626980][   T10]      ipv6_add_addr+0x411/0x2000
[ 8880.626980][   T10]      inet6_addr_add+0x30e/0xa40
[ 8880.626980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8880.626980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.626980][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.626980][   T10]      netlink_unicast+0x449/0x710
[ 8880.626980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.626980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.626980][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.626980][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.626980][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.626980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.626980][   T10] 
[ 8880.629016][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8880.629016][   T10]      netdev_get_by_index+0x5e/0x80
[ 8880.629016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8880.629016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8880.629016][   T10]      ip6_route_add+0x1c/0x140
[ 8880.629016][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8880.629016][   T10]      addrconf_add_dev+0xe2/0x170
[ 8880.629016][   T10]      inet6_addr_add+0x12f/0xa40
[ 8880.629016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8880.629016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.629016][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.629016][   T10]      netlink_unicast+0x449/0x710
[ 8880.629016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.629016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.629016][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.629016][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.629016][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.629016][   T10] 
[ 8880.630998][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8880.630998][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8880.630998][   T10]      ipv6_find_idev+0x102/0x170
[ 8880.630998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8880.630998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.630998][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.630998][   T10]      netlink_unicast+0x449/0x710
[ 8880.630998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.630998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.630998][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.630998][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.630998][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.630998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.630998][   T10] 
[ 8880.632548][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8880.632548][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8880.632548][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8880.632548][   T10]      ipv6_find_idev+0x102/0x170
[ 8880.632548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8880.632548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8880.632548][   T10]      netlink_rcv_skb+0x130/0x360
[ 8880.632548][   T10]      netlink_unicast+0x449/0x710
[ 8880.632548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8880.632548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8880.632548][   T10]      ___sys_sendmsg+0xee/0x170
[ 8880.632548][   T10]      __sys_sendmsg+0xcd/0x170
[ 8880.632548][   T10]      do_syscall_64+0xc6/0x1e0
[ 8880.632548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8880.632548][   T10] 
[ 8881.890830][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8881.891373][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8881.891373][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8881.891373][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8881.891373][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8881.891373][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8881.891373][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8881.891373][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8881.891373][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8881.891373][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8881.891373][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8881.891373][ T1078]      netlink_unicast+0x449/0x710
[ 8881.891373][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8881.891373][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8881.891373][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8881.891373][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8881.891373][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8881.891373][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8881.891373][ T1078] 
[ 8881.893743][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8881.893743][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8881.893743][ T1078]      ipv6_find_idev+0x102/0x170
[ 8881.893743][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8881.893743][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8881.893743][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8881.893743][ T1078]      netlink_unicast+0x449/0x710
[ 8881.893743][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8881.893743][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8881.893743][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8881.893743][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8881.893743][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8881.893743][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8881.893743][ T1078] 
[ 8881.895498][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8881.895498][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8881.895498][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8881.895498][ T1078]      ipv6_find_idev+0x102/0x170
[ 8881.895498][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8881.895498][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8881.895498][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8881.895498][ T1078]      netlink_unicast+0x449/0x710
[ 8881.895498][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8881.895498][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8881.895498][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8881.895498][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8881.895498][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8881.895498][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8881.895498][ T1078] 
[ 8890.874903][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8890.875372][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8890.875372][   T10]      netdev_get_by_index+0x5e/0x80
[ 8890.875372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8890.875372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8890.875372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8890.875372][   T10]      ipv6_add_addr+0x411/0x2000
[ 8890.875372][   T10]      inet6_addr_add+0x30e/0xa40
[ 8890.875372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8890.875372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.875372][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.875372][   T10]      netlink_unicast+0x449/0x710
[ 8890.875372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.875372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.875372][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.875372][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.875372][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.875372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.875372][   T10] 
[ 8890.877433][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8890.877433][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8890.877433][   T10]      ipv6_find_idev+0x102/0x170
[ 8890.877433][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8890.877433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.877433][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.877433][   T10]      netlink_unicast+0x449/0x710
[ 8890.877433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.877433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.877433][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.877433][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.877433][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.877433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.877433][   T10] 
[ 8890.878990][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8890.878990][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8890.878990][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8890.878990][   T10]      ipv6_find_idev+0x102/0x170
[ 8890.878990][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8890.878990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.878990][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.878990][   T10]      netlink_unicast+0x449/0x710
[ 8890.878990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.878990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.878990][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.878990][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.878990][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.878990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.878990][   T10] 
[ 8890.880732][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8890.880978][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8890.880978][   T10]      netdev_get_by_index+0x5e/0x80
[ 8890.880978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8890.880978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8890.880978][   T10]      ip6_route_add+0x1c/0x140
[ 8890.880978][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8890.880978][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8890.880978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8890.880978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.880978][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.880978][   T10]      netlink_unicast+0x449/0x710
[ 8890.880978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.880978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.880978][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.880978][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.880978][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.880978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.880978][   T10] 
[ 8890.883003][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8890.883003][   T10]      netdev_get_by_index+0x5e/0x80
[ 8890.883003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8890.883003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8890.883003][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8890.883003][   T10]      ipv6_add_addr+0x411/0x2000
[ 8890.883003][   T10]      inet6_addr_add+0x30e/0xa40
[ 8890.883003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8890.883003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.883003][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.883003][   T10]      netlink_unicast+0x449/0x710
[ 8890.883003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.883003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.883003][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.883003][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.883003][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.883003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.883003][   T10] 
[ 8890.885020][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8890.885020][   T10]      netdev_get_by_index+0x5e/0x80
[ 8890.885020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8890.885020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8890.885020][   T10]      ip6_route_add+0x1c/0x140
[ 8890.885020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8890.885020][   T10]      addrconf_add_dev+0xe2/0x170
[ 8890.885020][   T10]      inet6_addr_add+0x12f/0xa40
[ 8890.885020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8890.885020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.885020][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.885020][   T10]      netlink_unicast+0x449/0x710
[ 8890.885020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.885020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.885020][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.885020][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.885020][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.885020][   T10] 
[ 8890.886989][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8890.886989][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8890.886989][   T10]      ipv6_find_idev+0x102/0x170
[ 8890.886989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8890.886989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.886989][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.886989][   T10]      netlink_unicast+0x449/0x710
[ 8890.886989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.886989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.886989][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.886989][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.886989][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.886989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.886989][   T10] 
[ 8890.888540][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8890.888540][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8890.888540][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8890.888540][   T10]      ipv6_find_idev+0x102/0x170
[ 8890.888540][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8890.888540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8890.888540][   T10]      netlink_rcv_skb+0x130/0x360
[ 8890.888540][   T10]      netlink_unicast+0x449/0x710
[ 8890.888540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8890.888540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8890.888540][   T10]      ___sys_sendmsg+0xee/0x170
[ 8890.888540][   T10]      __sys_sendmsg+0xcd/0x170
[ 8890.888540][   T10]      do_syscall_64+0xc6/0x1e0
[ 8890.888540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8890.888540][   T10] 
[ 8892.138865][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8892.139359][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8892.139359][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8892.139359][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8892.139359][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8892.139359][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8892.139359][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8892.139359][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8892.139359][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8892.139359][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8892.139359][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8892.139359][ T1078]      netlink_unicast+0x449/0x710
[ 8892.139359][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8892.139359][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8892.139359][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8892.139359][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8892.139359][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8892.139359][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8892.139359][ T1078] 
[ 8892.141653][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8892.141653][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8892.141653][ T1078]      ipv6_find_idev+0x102/0x170
[ 8892.141653][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8892.141653][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8892.141653][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8892.141653][ T1078]      netlink_unicast+0x449/0x710
[ 8892.141653][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8892.141653][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8892.141653][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8892.141653][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8892.141653][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8892.141653][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8892.141653][ T1078] 
[ 8892.143416][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8892.143416][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8892.143416][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8892.143416][ T1078]      ipv6_find_idev+0x102/0x170
[ 8892.143416][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8892.143416][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8892.143416][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8892.143416][ T1078]      netlink_unicast+0x449/0x710
[ 8892.143416][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8892.143416][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8892.143416][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8892.143416][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8892.143416][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8892.143416][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8892.143416][ T1078] 
[ 8901.130816][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8901.131298][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8901.131298][   T10]      netdev_get_by_index+0x5e/0x80
[ 8901.131298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8901.131298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8901.131298][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8901.131298][   T10]      ipv6_add_addr+0x411/0x2000
[ 8901.131298][   T10]      inet6_addr_add+0x30e/0xa40
[ 8901.131298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8901.131298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.131298][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.131298][   T10]      netlink_unicast+0x449/0x710
[ 8901.131298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.131298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.131298][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.131298][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.131298][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.131298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.131298][   T10] 
[ 8901.133367][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8901.133367][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8901.133367][   T10]      ipv6_find_idev+0x102/0x170
[ 8901.133367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8901.133367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.133367][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.133367][   T10]      netlink_unicast+0x449/0x710
[ 8901.133367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.133367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.133367][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.133367][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.133367][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.133367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.133367][   T10] 
[ 8901.135319][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8901.135319][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8901.135319][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8901.135319][   T10]      ipv6_find_idev+0x102/0x170
[ 8901.135319][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8901.135319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.135319][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.135319][   T10]      netlink_unicast+0x449/0x710
[ 8901.135319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.135319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.135319][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.135319][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.135319][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.135319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.135319][   T10] 
[ 8901.137059][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8901.137309][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8901.137309][   T10]      netdev_get_by_index+0x5e/0x80
[ 8901.137309][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8901.137309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8901.137309][   T10]      ip6_route_add+0x1c/0x140
[ 8901.137309][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8901.137309][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8901.137309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8901.137309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.137309][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.137309][   T10]      netlink_unicast+0x449/0x710
[ 8901.137309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.137309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.137309][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.137309][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.137309][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.137309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.137309][   T10] 
[ 8901.139340][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8901.139340][   T10]      netdev_get_by_index+0x5e/0x80
[ 8901.139340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8901.139340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8901.139340][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8901.139340][   T10]      ipv6_add_addr+0x411/0x2000
[ 8901.139340][   T10]      inet6_addr_add+0x30e/0xa40
[ 8901.139340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8901.139340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.139340][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.139340][   T10]      netlink_unicast+0x449/0x710
[ 8901.139340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.139340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.139340][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.139340][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.139340][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.139340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.139340][   T10] 
[ 8901.141373][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8901.141373][   T10]      netdev_get_by_index+0x5e/0x80
[ 8901.141373][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8901.141373][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8901.141373][   T10]      ip6_route_add+0x1c/0x140
[ 8901.141373][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8901.141373][   T10]      addrconf_add_dev+0xe2/0x170
[ 8901.141373][   T10]      inet6_addr_add+0x12f/0xa40
[ 8901.141373][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8901.141373][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.141373][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.141373][   T10]      netlink_unicast+0x449/0x710
[ 8901.141373][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.141373][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.141373][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.141373][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.141373][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.141373][   T10] 
[ 8901.143379][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8901.143379][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8901.143379][   T10]      ipv6_find_idev+0x102/0x170
[ 8901.143379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8901.143379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.143379][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.143379][   T10]      netlink_unicast+0x449/0x710
[ 8901.143379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.143379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.143379][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.143379][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.143379][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.143379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.143379][   T10] 
[ 8901.144944][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8901.144944][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8901.144944][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8901.144944][   T10]      ipv6_find_idev+0x102/0x170
[ 8901.144944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8901.144944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8901.144944][   T10]      netlink_rcv_skb+0x130/0x360
[ 8901.144944][   T10]      netlink_unicast+0x449/0x710
[ 8901.144944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8901.144944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8901.144944][   T10]      ___sys_sendmsg+0xee/0x170
[ 8901.144944][   T10]      __sys_sendmsg+0xcd/0x170
[ 8901.144944][   T10]      do_syscall_64+0xc6/0x1e0
[ 8901.144944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8901.144944][   T10] 
[ 8902.386957][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8902.387629][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8902.387629][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8902.387629][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8902.387629][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8902.387629][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8902.387629][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8902.387629][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8902.387629][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8902.387629][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8902.387629][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8902.387629][ T1078]      netlink_unicast+0x449/0x710
[ 8902.387629][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8902.387629][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8902.387629][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8902.387629][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8902.387629][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8902.387629][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8902.387629][ T1078] 
[ 8902.390224][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8902.390224][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8902.390224][ T1078]      ipv6_find_idev+0x102/0x170
[ 8902.390224][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8902.390224][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8902.390224][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8902.390224][ T1078]      netlink_unicast+0x449/0x710
[ 8902.390224][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8902.390224][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8902.390224][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8902.390224][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8902.390224][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8902.390224][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8902.390224][ T1078] 
[ 8902.392217][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8902.392217][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8902.392217][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8902.392217][ T1078]      ipv6_find_idev+0x102/0x170
[ 8902.392217][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8902.392217][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8902.392217][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8902.392217][ T1078]      netlink_unicast+0x449/0x710
[ 8902.392217][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8902.392217][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8902.392217][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8902.392217][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8902.392217][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8902.392217][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8902.392217][ T1078] 
[ 8911.386793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8911.387251][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8911.387251][   T10]      netdev_get_by_index+0x5e/0x80
[ 8911.387251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8911.387251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8911.387251][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8911.387251][   T10]      ipv6_add_addr+0x411/0x2000
[ 8911.387251][   T10]      inet6_addr_add+0x30e/0xa40
[ 8911.387251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8911.387251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.387251][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.387251][   T10]      netlink_unicast+0x449/0x710
[ 8911.387251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.387251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.387251][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.387251][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.387251][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.387251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.387251][   T10] 
[ 8911.389309][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8911.389309][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8911.389309][   T10]      ipv6_find_idev+0x102/0x170
[ 8911.389309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8911.389309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.389309][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.389309][   T10]      netlink_unicast+0x449/0x710
[ 8911.389309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.389309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.389309][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.389309][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.389309][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.389309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.389309][   T10] 
[ 8911.390884][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8911.390884][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8911.390884][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8911.390884][   T10]      ipv6_find_idev+0x102/0x170
[ 8911.390884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8911.390884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.390884][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.390884][   T10]      netlink_unicast+0x449/0x710
[ 8911.390884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.390884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.390884][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.390884][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.390884][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.390884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.390884][   T10] 
[ 8911.392605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8911.392868][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8911.392868][   T10]      netdev_get_by_index+0x5e/0x80
[ 8911.392868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8911.392868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8911.392868][   T10]      ip6_route_add+0x1c/0x140
[ 8911.392868][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8911.392868][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8911.392868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8911.392868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.392868][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.392868][   T10]      netlink_unicast+0x449/0x710
[ 8911.392868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.392868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.392868][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.392868][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.392868][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.392868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.392868][   T10] 
[ 8911.394912][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8911.394912][   T10]      netdev_get_by_index+0x5e/0x80
[ 8911.394912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8911.394912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8911.394912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8911.394912][   T10]      ipv6_add_addr+0x411/0x2000
[ 8911.394912][   T10]      inet6_addr_add+0x30e/0xa40
[ 8911.394912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8911.394912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.394912][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.394912][   T10]      netlink_unicast+0x449/0x710
[ 8911.394912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.394912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.394912][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.394912][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.394912][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.394912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.394912][   T10] 
[ 8911.396940][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8911.396940][   T10]      netdev_get_by_index+0x5e/0x80
[ 8911.396940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8911.396940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8911.396940][   T10]      ip6_route_add+0x1c/0x140
[ 8911.396940][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8911.396940][   T10]      addrconf_add_dev+0xe2/0x170
[ 8911.396940][   T10]      inet6_addr_add+0x12f/0xa40
[ 8911.396940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8911.396940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.396940][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.396940][   T10]      netlink_unicast+0x449/0x710
[ 8911.396940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.396940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.396940][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.396940][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.396940][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.396940][   T10] 
[ 8911.398930][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8911.398930][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8911.398930][   T10]      ipv6_find_idev+0x102/0x170
[ 8911.398930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8911.398930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.398930][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.398930][   T10]      netlink_unicast+0x449/0x710
[ 8911.398930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.398930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.398930][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.398930][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.398930][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.398930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.398930][   T10] 
[ 8911.400506][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8911.400506][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8911.400506][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8911.400506][   T10]      ipv6_find_idev+0x102/0x170
[ 8911.400506][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8911.400506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8911.400506][   T10]      netlink_rcv_skb+0x130/0x360
[ 8911.400506][   T10]      netlink_unicast+0x449/0x710
[ 8911.400506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8911.400506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8911.400506][   T10]      ___sys_sendmsg+0xee/0x170
[ 8911.400506][   T10]      __sys_sendmsg+0xcd/0x170
[ 8911.400506][   T10]      do_syscall_64+0xc6/0x1e0
[ 8911.400506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8911.400506][   T10] 
[ 8912.634856][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8912.635435][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8912.635435][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8912.635435][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8912.635435][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8912.635435][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8912.635435][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8912.635435][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8912.635435][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8912.635435][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8912.635435][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8912.635435][ T1078]      netlink_unicast+0x449/0x710
[ 8912.635435][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8912.635435][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8912.635435][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8912.635435][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8912.635435][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8912.635435][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8912.635435][ T1078] 
[ 8912.637977][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8912.637977][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8912.637977][ T1078]      ipv6_find_idev+0x102/0x170
[ 8912.637977][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8912.637977][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8912.637977][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8912.637977][ T1078]      netlink_unicast+0x449/0x710
[ 8912.637977][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8912.637977][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8912.637977][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8912.637977][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8912.637977][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8912.637977][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8912.637977][ T1078] 
[ 8912.639932][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8912.639932][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8912.639932][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8912.639932][ T1078]      ipv6_find_idev+0x102/0x170
[ 8912.639932][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8912.639932][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8912.639932][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8912.639932][ T1078]      netlink_unicast+0x449/0x710
[ 8912.639932][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8912.639932][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8912.639932][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8912.639932][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8912.639932][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8912.639932][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8912.639932][ T1078] 
[ 8921.506800][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8921.507263][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8921.507263][   T10]      netdev_get_by_index+0x5e/0x80
[ 8921.507263][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8921.507263][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8921.507263][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8921.507263][   T10]      ipv6_add_addr+0x411/0x2000
[ 8921.507263][   T10]      inet6_addr_add+0x30e/0xa40
[ 8921.507263][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8921.507263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.507263][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.507263][   T10]      netlink_unicast+0x449/0x710
[ 8921.507263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.507263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.507263][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.507263][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.507263][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.507263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.507263][   T10] 
[ 8921.509314][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8921.509314][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8921.509314][   T10]      ipv6_find_idev+0x102/0x170
[ 8921.509314][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8921.509314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.509314][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.509314][   T10]      netlink_unicast+0x449/0x710
[ 8921.509314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.509314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.509314][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.509314][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.509314][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.509314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.509314][   T10] 
[ 8921.510874][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8921.510874][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8921.510874][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8921.510874][   T10]      ipv6_find_idev+0x102/0x170
[ 8921.510874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8921.510874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.510874][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.510874][   T10]      netlink_unicast+0x449/0x710
[ 8921.510874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.510874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.510874][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.510874][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.510874][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.510874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.510874][   T10] 
[ 8921.512587][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8921.512851][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8921.512851][   T10]      netdev_get_by_index+0x5e/0x80
[ 8921.512851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8921.512851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8921.512851][   T10]      ip6_route_add+0x1c/0x140
[ 8921.512851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8921.512851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8921.512851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8921.512851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.512851][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.512851][   T10]      netlink_unicast+0x449/0x710
[ 8921.512851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.512851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.512851][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.512851][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.512851][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.512851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.512851][   T10] 
[ 8921.514870][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8921.514870][   T10]      netdev_get_by_index+0x5e/0x80
[ 8921.514870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8921.514870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8921.514870][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8921.514870][   T10]      ipv6_add_addr+0x411/0x2000
[ 8921.514870][   T10]      inet6_addr_add+0x30e/0xa40
[ 8921.514870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8921.514870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.514870][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.514870][   T10]      netlink_unicast+0x449/0x710
[ 8921.514870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.514870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.514870][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.514870][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.514870][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.514870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.514870][   T10] 
[ 8921.516904][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8921.516904][   T10]      netdev_get_by_index+0x5e/0x80
[ 8921.516904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8921.516904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8921.516904][   T10]      ip6_route_add+0x1c/0x140
[ 8921.516904][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8921.516904][   T10]      addrconf_add_dev+0xe2/0x170
[ 8921.516904][   T10]      inet6_addr_add+0x12f/0xa40
[ 8921.516904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8921.516904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.516904][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.516904][   T10]      netlink_unicast+0x449/0x710
[ 8921.516904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.516904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.516904][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.516904][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.516904][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.516904][   T10] 
[ 8921.518888][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8921.518888][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8921.518888][   T10]      ipv6_find_idev+0x102/0x170
[ 8921.518888][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8921.518888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.518888][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.518888][   T10]      netlink_unicast+0x449/0x710
[ 8921.518888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.518888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.518888][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.518888][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.518888][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.518888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.518888][   T10] 
[ 8921.520441][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8921.520441][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8921.520441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8921.520441][   T10]      ipv6_find_idev+0x102/0x170
[ 8921.520441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8921.520441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8921.520441][   T10]      netlink_rcv_skb+0x130/0x360
[ 8921.520441][   T10]      netlink_unicast+0x449/0x710
[ 8921.520441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8921.520441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8921.520441][   T10]      ___sys_sendmsg+0xee/0x170
[ 8921.520441][   T10]      __sys_sendmsg+0xcd/0x170
[ 8921.520441][   T10]      do_syscall_64+0xc6/0x1e0
[ 8921.520441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8921.520441][   T10] 
[ 8922.882787][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8922.883322][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8922.883322][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8922.883322][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8922.883322][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8922.883322][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8922.883322][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8922.883322][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8922.883322][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8922.883322][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8922.883322][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8922.883322][ T1078]      netlink_unicast+0x449/0x710
[ 8922.883322][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8922.883322][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8922.883322][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8922.883322][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8922.883322][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8922.883322][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8922.883322][ T1078] 
[ 8922.885872][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8922.885872][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8922.885872][ T1078]      ipv6_find_idev+0x102/0x170
[ 8922.885872][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8922.885872][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8922.885872][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8922.885872][ T1078]      netlink_unicast+0x449/0x710
[ 8922.885872][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8922.885872][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8922.885872][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8922.885872][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8922.885872][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8922.885872][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8922.885872][ T1078] 
[ 8922.887823][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8922.887823][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8922.887823][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8922.887823][ T1078]      ipv6_find_idev+0x102/0x170
[ 8922.887823][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8922.887823][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8922.887823][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8922.887823][ T1078]      netlink_unicast+0x449/0x710
[ 8922.887823][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8922.887823][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8922.887823][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8922.887823][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8922.887823][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8922.887823][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8922.887823][ T1078] 
[ 8931.762735][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8931.763142][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8931.763142][   T10]      netdev_get_by_index+0x5e/0x80
[ 8931.763142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8931.763142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8931.763142][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8931.763142][   T10]      ipv6_add_addr+0x411/0x2000
[ 8931.763142][   T10]      inet6_addr_add+0x30e/0xa40
[ 8931.763142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8931.763142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.763142][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.763142][   T10]      netlink_unicast+0x449/0x710
[ 8931.763142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.763142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.763142][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.763142][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.763142][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.763142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.763142][   T10] 
[ 8931.765177][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8931.765177][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8931.765177][   T10]      ipv6_find_idev+0x102/0x170
[ 8931.765177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8931.765177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.765177][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.765177][   T10]      netlink_unicast+0x449/0x710
[ 8931.765177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.765177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.765177][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.765177][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.765177][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.765177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.765177][   T10] 
[ 8931.767278][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8931.767278][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8931.767278][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8931.767278][   T10]      ipv6_find_idev+0x102/0x170
[ 8931.767278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8931.767278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.767278][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.767278][   T10]      netlink_unicast+0x449/0x710
[ 8931.767278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.767278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.767278][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.767278][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.767278][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.767278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.767278][   T10] 
[ 8931.768979][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8931.769226][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8931.769226][   T10]      netdev_get_by_index+0x5e/0x80
[ 8931.769226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8931.769226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8931.769226][   T10]      ip6_route_add+0x1c/0x140
[ 8931.769226][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8931.769226][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8931.769226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8931.769226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.769226][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.769226][   T10]      netlink_unicast+0x449/0x710
[ 8931.769226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.769226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.769226][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.769226][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.769226][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.769226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.769226][   T10] 
[ 8931.771718][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8931.771718][   T10]      netdev_get_by_index+0x5e/0x80
[ 8931.771718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8931.771718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8931.771718][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8931.771718][   T10]      ipv6_add_addr+0x411/0x2000
[ 8931.771718][   T10]      inet6_addr_add+0x30e/0xa40
[ 8931.771718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8931.771718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.771718][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.771718][   T10]      netlink_unicast+0x449/0x710
[ 8931.771718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.771718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.771718][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.771718][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.771718][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.771718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.771718][   T10] 
[ 8931.773741][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8931.773741][   T10]      netdev_get_by_index+0x5e/0x80
[ 8931.773741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8931.773741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8931.773741][   T10]      ip6_route_add+0x1c/0x140
[ 8931.773741][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8931.773741][   T10]      addrconf_add_dev+0xe2/0x170
[ 8931.773741][   T10]      inet6_addr_add+0x12f/0xa40
[ 8931.773741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8931.773741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.773741][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.773741][   T10]      netlink_unicast+0x449/0x710
[ 8931.773741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.773741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.773741][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.773741][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.773741][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.773741][   T10] 
[ 8931.775726][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8931.775726][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8931.775726][   T10]      ipv6_find_idev+0x102/0x170
[ 8931.775726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8931.775726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.775726][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.775726][   T10]      netlink_unicast+0x449/0x710
[ 8931.775726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.775726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.775726][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.775726][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.775726][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.775726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.775726][   T10] 
[ 8931.777274][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8931.777274][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8931.777274][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8931.777274][   T10]      ipv6_find_idev+0x102/0x170
[ 8931.777274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8931.777274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8931.777274][   T10]      netlink_rcv_skb+0x130/0x360
[ 8931.777274][   T10]      netlink_unicast+0x449/0x710
[ 8931.777274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8931.777274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8931.777274][   T10]      ___sys_sendmsg+0xee/0x170
[ 8931.777274][   T10]      __sys_sendmsg+0xcd/0x170
[ 8931.777274][   T10]      do_syscall_64+0xc6/0x1e0
[ 8931.777274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8931.777274][   T10] 
[ 8933.130797][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8933.131354][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8933.131354][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8933.131354][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8933.131354][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8933.131354][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8933.131354][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8933.131354][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8933.131354][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8933.131354][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8933.131354][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8933.131354][ T1078]      netlink_unicast+0x449/0x710
[ 8933.131354][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8933.131354][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8933.131354][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8933.131354][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8933.131354][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8933.131354][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8933.131354][ T1078] 
[ 8933.133921][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8933.133921][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8933.133921][ T1078]      ipv6_find_idev+0x102/0x170
[ 8933.133921][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8933.133921][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8933.133921][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8933.133921][ T1078]      netlink_unicast+0x449/0x710
[ 8933.133921][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8933.133921][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8933.133921][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8933.133921][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8933.133921][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8933.133921][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8933.133921][ T1078] 
[ 8933.135860][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8933.135860][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8933.135860][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8933.135860][ T1078]      ipv6_find_idev+0x102/0x170
[ 8933.135860][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8933.135860][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8933.135860][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8933.135860][ T1078]      netlink_unicast+0x449/0x710
[ 8933.135860][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8933.135860][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8933.135860][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8933.135860][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8933.135860][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8933.135860][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8933.135860][ T1078] 
[ 8942.018812][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8942.019283][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8942.019283][   T10]      netdev_get_by_index+0x5e/0x80
[ 8942.019283][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8942.019283][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8942.019283][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8942.019283][   T10]      ipv6_add_addr+0x411/0x2000
[ 8942.019283][   T10]      inet6_addr_add+0x30e/0xa40
[ 8942.019283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8942.019283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.019283][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.019283][   T10]      netlink_unicast+0x449/0x710
[ 8942.019283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.019283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.019283][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.019283][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.019283][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.019283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.019283][   T10] 
[ 8942.021605][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8942.021605][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8942.021605][   T10]      ipv6_find_idev+0x102/0x170
[ 8942.021605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8942.021605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.021605][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.021605][   T10]      netlink_unicast+0x449/0x710
[ 8942.021605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.021605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.021605][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.021605][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.021605][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.021605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.021605][   T10] 
[ 8942.023400][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8942.023400][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8942.023400][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8942.023400][   T10]      ipv6_find_idev+0x102/0x170
[ 8942.023400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8942.023400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.023400][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.023400][   T10]      netlink_unicast+0x449/0x710
[ 8942.023400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.023400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.023400][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.023400][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.023400][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.023400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.023400][   T10] 
[ 8942.025331][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8942.025602][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8942.025602][   T10]      netdev_get_by_index+0x5e/0x80
[ 8942.025602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8942.025602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8942.025602][   T10]      ip6_route_add+0x1c/0x140
[ 8942.025602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8942.025602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8942.025602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8942.025602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.025602][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.025602][   T10]      netlink_unicast+0x449/0x710
[ 8942.025602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.025602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.025602][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.025602][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.025602][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.025602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.025602][   T10] 
[ 8942.027875][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8942.027875][   T10]      netdev_get_by_index+0x5e/0x80
[ 8942.027875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8942.027875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8942.027875][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8942.027875][   T10]      ipv6_add_addr+0x411/0x2000
[ 8942.027875][   T10]      inet6_addr_add+0x30e/0xa40
[ 8942.027875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8942.027875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.027875][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.027875][   T10]      netlink_unicast+0x449/0x710
[ 8942.027875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.027875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.027875][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.027875][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.027875][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.027875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.027875][   T10] 
[ 8942.030196][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8942.030196][   T10]      netdev_get_by_index+0x5e/0x80
[ 8942.030196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8942.030196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8942.030196][   T10]      ip6_route_add+0x1c/0x140
[ 8942.030196][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8942.030196][   T10]      addrconf_add_dev+0xe2/0x170
[ 8942.030196][   T10]      inet6_addr_add+0x12f/0xa40
[ 8942.030196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8942.030196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.030196][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.030196][   T10]      netlink_unicast+0x449/0x710
[ 8942.030196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.030196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.030196][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.030196][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.030196][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.030196][   T10] 
[ 8942.032464][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8942.032464][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8942.032464][   T10]      ipv6_find_idev+0x102/0x170
[ 8942.032464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8942.032464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.032464][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.032464][   T10]      netlink_unicast+0x449/0x710
[ 8942.032464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.032464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.032464][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.032464][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.032464][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.032464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.032464][   T10] 
[ 8942.034249][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8942.034249][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8942.034249][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8942.034249][   T10]      ipv6_find_idev+0x102/0x170
[ 8942.034249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8942.034249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8942.034249][   T10]      netlink_rcv_skb+0x130/0x360
[ 8942.034249][   T10]      netlink_unicast+0x449/0x710
[ 8942.034249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8942.034249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8942.034249][   T10]      ___sys_sendmsg+0xee/0x170
[ 8942.034249][   T10]      __sys_sendmsg+0xcd/0x170
[ 8942.034249][   T10]      do_syscall_64+0xc6/0x1e0
[ 8942.034249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8942.034249][   T10] 
[ 8943.378802][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8943.379317][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8943.379317][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8943.379317][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8943.379317][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8943.379317][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8943.379317][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8943.379317][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8943.379317][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8943.379317][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8943.379317][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8943.379317][ T1078]      netlink_unicast+0x449/0x710
[ 8943.379317][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8943.379317][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8943.379317][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8943.379317][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8943.379317][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8943.379317][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8943.379317][ T1078] 
[ 8943.381877][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8943.381877][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8943.381877][ T1078]      ipv6_find_idev+0x102/0x170
[ 8943.381877][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8943.381877][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8943.381877][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8943.381877][ T1078]      netlink_unicast+0x449/0x710
[ 8943.381877][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8943.381877][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8943.381877][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8943.381877][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8943.381877][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8943.381877][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8943.381877][ T1078] 
[ 8943.383845][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8943.383845][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8943.383845][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8943.383845][ T1078]      ipv6_find_idev+0x102/0x170
[ 8943.383845][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8943.383845][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8943.383845][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8943.383845][ T1078]      netlink_unicast+0x449/0x710
[ 8943.383845][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8943.383845][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8943.383845][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8943.383845][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8943.383845][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8943.383845][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8943.383845][ T1078] 
[ 8952.274874][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8952.275430][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8952.275430][   T10]      netdev_get_by_index+0x5e/0x80
[ 8952.275430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8952.275430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8952.275430][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8952.275430][   T10]      ipv6_add_addr+0x411/0x2000
[ 8952.275430][   T10]      inet6_addr_add+0x30e/0xa40
[ 8952.275430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8952.275430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.275430][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.275430][   T10]      netlink_unicast+0x449/0x710
[ 8952.275430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.275430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.275430][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.275430][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.275430][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.275430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.275430][   T10] 
[ 8952.277758][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8952.277758][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8952.277758][   T10]      ipv6_find_idev+0x102/0x170
[ 8952.277758][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8952.277758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.277758][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.277758][   T10]      netlink_unicast+0x449/0x710
[ 8952.277758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.277758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.277758][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.277758][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.277758][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.277758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.277758][   T10] 
[ 8952.279553][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8952.279553][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8952.279553][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8952.279553][   T10]      ipv6_find_idev+0x102/0x170
[ 8952.279553][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8952.279553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.279553][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.279553][   T10]      netlink_unicast+0x449/0x710
[ 8952.279553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.279553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.279553][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.279553][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.279553][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.279553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.279553][   T10] 
[ 8952.281526][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8952.281816][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8952.281816][   T10]      netdev_get_by_index+0x5e/0x80
[ 8952.281816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8952.281816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8952.281816][   T10]      ip6_route_add+0x1c/0x140
[ 8952.281816][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8952.281816][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8952.281816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8952.281816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.281816][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.281816][   T10]      netlink_unicast+0x449/0x710
[ 8952.281816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.281816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.281816][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.281816][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.281816][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.281816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.281816][   T10] 
[ 8952.284158][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8952.284158][   T10]      netdev_get_by_index+0x5e/0x80
[ 8952.284158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8952.284158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8952.284158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8952.284158][   T10]      ipv6_add_addr+0x411/0x2000
[ 8952.284158][   T10]      inet6_addr_add+0x30e/0xa40
[ 8952.284158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8952.284158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.284158][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.284158][   T10]      netlink_unicast+0x449/0x710
[ 8952.284158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.284158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.284158][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.284158][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.284158][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.284158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.284158][   T10] 
[ 8952.286437][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8952.286437][   T10]      netdev_get_by_index+0x5e/0x80
[ 8952.286437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8952.286437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8952.286437][   T10]      ip6_route_add+0x1c/0x140
[ 8952.286437][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8952.286437][   T10]      addrconf_add_dev+0xe2/0x170
[ 8952.286437][   T10]      inet6_addr_add+0x12f/0xa40
[ 8952.286437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8952.286437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.286437][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.286437][   T10]      netlink_unicast+0x449/0x710
[ 8952.286437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.286437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.286437][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.286437][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.286437][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.286437][   T10] 
[ 8952.288684][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8952.288684][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8952.288684][   T10]      ipv6_find_idev+0x102/0x170
[ 8952.288684][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8952.288684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.288684][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.288684][   T10]      netlink_unicast+0x449/0x710
[ 8952.288684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.288684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.288684][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.288684][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.288684][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.288684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.288684][   T10] 
[ 8952.290452][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8952.290452][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8952.290452][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8952.290452][   T10]      ipv6_find_idev+0x102/0x170
[ 8952.290452][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8952.290452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8952.290452][   T10]      netlink_rcv_skb+0x130/0x360
[ 8952.290452][   T10]      netlink_unicast+0x449/0x710
[ 8952.290452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8952.290452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8952.290452][   T10]      ___sys_sendmsg+0xee/0x170
[ 8952.290452][   T10]      __sys_sendmsg+0xcd/0x170
[ 8952.290452][   T10]      do_syscall_64+0xc6/0x1e0
[ 8952.290452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8952.290452][   T10] 
[ 8953.434807][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8953.435314][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8953.435314][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8953.435314][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8953.435314][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8953.435314][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8953.435314][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8953.435314][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8953.435314][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8953.435314][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8953.435314][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8953.435314][ T1078]      netlink_unicast+0x449/0x710
[ 8953.435314][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8953.435314][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8953.435314][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8953.435314][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8953.435314][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8953.435314][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8953.435314][ T1078] 
[ 8953.437872][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8953.437872][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8953.437872][ T1078]      ipv6_find_idev+0x102/0x170
[ 8953.437872][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8953.437872][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8953.437872][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8953.437872][ T1078]      netlink_unicast+0x449/0x710
[ 8953.437872][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8953.437872][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8953.437872][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8953.437872][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8953.437872][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8953.437872][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8953.437872][ T1078] 
[ 8953.439845][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8953.439845][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8953.439845][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8953.439845][ T1078]      ipv6_find_idev+0x102/0x170
[ 8953.439845][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8953.439845][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8953.439845][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8953.439845][ T1078]      netlink_unicast+0x449/0x710
[ 8953.439845][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8953.439845][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8953.439845][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8953.439845][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8953.439845][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8953.439845][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8953.439845][ T1078] 
[ 8962.530802][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8962.531279][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8962.531279][   T10]      netdev_get_by_index+0x5e/0x80
[ 8962.531279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8962.531279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8962.531279][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8962.531279][   T10]      ipv6_add_addr+0x411/0x2000
[ 8962.531279][   T10]      inet6_addr_add+0x30e/0xa40
[ 8962.531279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8962.531279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.531279][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.531279][   T10]      netlink_unicast+0x449/0x710
[ 8962.531279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.531279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.531279][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.531279][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.531279][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.531279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.531279][   T10] 
[ 8962.533613][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8962.533613][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8962.533613][   T10]      ipv6_find_idev+0x102/0x170
[ 8962.533613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8962.533613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.533613][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.533613][   T10]      netlink_unicast+0x449/0x710
[ 8962.533613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.533613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.533613][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.533613][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.533613][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.533613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.533613][   T10] 
[ 8962.535403][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8962.535403][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8962.535403][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8962.535403][   T10]      ipv6_find_idev+0x102/0x170
[ 8962.535403][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8962.535403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.535403][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.535403][   T10]      netlink_unicast+0x449/0x710
[ 8962.535403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.535403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.535403][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.535403][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.535403][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.535403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.535403][   T10] 
[ 8962.537362][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8962.537628][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8962.537628][   T10]      netdev_get_by_index+0x5e/0x80
[ 8962.537628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8962.537628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8962.537628][   T10]      ip6_route_add+0x1c/0x140
[ 8962.537628][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8962.537628][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8962.537628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8962.537628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.537628][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.537628][   T10]      netlink_unicast+0x449/0x710
[ 8962.537628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.537628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.537628][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.537628][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.537628][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.537628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.537628][   T10] 
[ 8962.539925][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8962.539925][   T10]      netdev_get_by_index+0x5e/0x80
[ 8962.539925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8962.539925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8962.539925][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8962.539925][   T10]      ipv6_add_addr+0x411/0x2000
[ 8962.539925][   T10]      inet6_addr_add+0x30e/0xa40
[ 8962.539925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8962.539925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.539925][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.539925][   T10]      netlink_unicast+0x449/0x710
[ 8962.539925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.539925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.539925][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.539925][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.539925][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.539925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.539925][   T10] 
[ 8962.542250][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8962.542250][   T10]      netdev_get_by_index+0x5e/0x80
[ 8962.542250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8962.542250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8962.542250][   T10]      ip6_route_add+0x1c/0x140
[ 8962.542250][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8962.542250][   T10]      addrconf_add_dev+0xe2/0x170
[ 8962.542250][   T10]      inet6_addr_add+0x12f/0xa40
[ 8962.542250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8962.542250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.542250][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.542250][   T10]      netlink_unicast+0x449/0x710
[ 8962.542250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.542250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.542250][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.542250][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.542250][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.542250][   T10] 
[ 8962.544504][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8962.544504][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8962.544504][   T10]      ipv6_find_idev+0x102/0x170
[ 8962.544504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8962.544504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.544504][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.544504][   T10]      netlink_unicast+0x449/0x710
[ 8962.544504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.544504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.544504][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.544504][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.544504][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.544504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.544504][   T10] 
[ 8962.546252][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8962.546252][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8962.546252][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8962.546252][   T10]      ipv6_find_idev+0x102/0x170
[ 8962.546252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8962.546252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8962.546252][   T10]      netlink_rcv_skb+0x130/0x360
[ 8962.546252][   T10]      netlink_unicast+0x449/0x710
[ 8962.546252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8962.546252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8962.546252][   T10]      ___sys_sendmsg+0xee/0x170
[ 8962.546252][   T10]      __sys_sendmsg+0xcd/0x170
[ 8962.546252][   T10]      do_syscall_64+0xc6/0x1e0
[ 8962.546252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8962.546252][   T10] 
[ 8963.682863][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8963.683571][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8963.683571][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8963.683571][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8963.683571][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8963.683571][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8963.683571][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8963.683571][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8963.683571][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8963.683571][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8963.683571][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8963.683571][ T1078]      netlink_unicast+0x449/0x710
[ 8963.683571][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8963.683571][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8963.683571][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8963.683571][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8963.683571][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8963.683571][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8963.683571][ T1078] 
[ 8963.686133][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8963.686133][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8963.686133][ T1078]      ipv6_find_idev+0x102/0x170
[ 8963.686133][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8963.686133][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8963.686133][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8963.686133][ T1078]      netlink_unicast+0x449/0x710
[ 8963.686133][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8963.686133][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8963.686133][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8963.686133][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8963.686133][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8963.686133][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8963.686133][ T1078] 
[ 8963.688091][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8963.688091][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8963.688091][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8963.688091][ T1078]      ipv6_find_idev+0x102/0x170
[ 8963.688091][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8963.688091][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8963.688091][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8963.688091][ T1078]      netlink_unicast+0x449/0x710
[ 8963.688091][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8963.688091][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8963.688091][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8963.688091][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8963.688091][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8963.688091][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8963.688091][ T1078] 
[ 8972.610834][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8972.611318][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8972.611318][   T10]      netdev_get_by_index+0x5e/0x80
[ 8972.611318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8972.611318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8972.611318][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8972.611318][   T10]      ipv6_add_addr+0x411/0x2000
[ 8972.611318][   T10]      inet6_addr_add+0x30e/0xa40
[ 8972.611318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8972.611318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.611318][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.611318][   T10]      netlink_unicast+0x449/0x710
[ 8972.611318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.611318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.611318][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.611318][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.611318][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.611318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.611318][   T10] 
[ 8972.613386][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8972.613386][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8972.613386][   T10]      ipv6_find_idev+0x102/0x170
[ 8972.613386][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8972.613386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.613386][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.613386][   T10]      netlink_unicast+0x449/0x710
[ 8972.613386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.613386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.613386][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.613386][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.613386][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.613386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.613386][   T10] 
[ 8972.614976][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8972.614976][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8972.614976][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8972.614976][   T10]      ipv6_find_idev+0x102/0x170
[ 8972.614976][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8972.614976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.614976][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.614976][   T10]      netlink_unicast+0x449/0x710
[ 8972.614976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.614976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.614976][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.614976][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.614976][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.614976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.614976][   T10] 
[ 8972.616703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8972.616948][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8972.616948][   T10]      netdev_get_by_index+0x5e/0x80
[ 8972.616948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8972.616948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8972.616948][   T10]      ip6_route_add+0x1c/0x140
[ 8972.616948][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8972.616948][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8972.616948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8972.616948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.616948][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.616948][   T10]      netlink_unicast+0x449/0x710
[ 8972.616948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.616948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.616948][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.616948][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.616948][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.616948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.616948][   T10] 
[ 8972.618974][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8972.618974][   T10]      netdev_get_by_index+0x5e/0x80
[ 8972.618974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8972.618974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8972.618974][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8972.618974][   T10]      ipv6_add_addr+0x411/0x2000
[ 8972.618974][   T10]      inet6_addr_add+0x30e/0xa40
[ 8972.618974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8972.618974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.618974][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.618974][   T10]      netlink_unicast+0x449/0x710
[ 8972.618974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.618974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.618974][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.618974][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.618974][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.618974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.618974][   T10] 
[ 8972.620999][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8972.620999][   T10]      netdev_get_by_index+0x5e/0x80
[ 8972.620999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8972.620999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8972.620999][   T10]      ip6_route_add+0x1c/0x140
[ 8972.620999][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8972.620999][   T10]      addrconf_add_dev+0xe2/0x170
[ 8972.620999][   T10]      inet6_addr_add+0x12f/0xa40
[ 8972.620999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8972.620999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.620999][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.620999][   T10]      netlink_unicast+0x449/0x710
[ 8972.620999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.620999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.620999][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.620999][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.620999][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.620999][   T10] 
[ 8972.623016][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8972.623016][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8972.623016][   T10]      ipv6_find_idev+0x102/0x170
[ 8972.623016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8972.623016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.623016][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.623016][   T10]      netlink_unicast+0x449/0x710
[ 8972.623016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.623016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.623016][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.623016][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.623016][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.623016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.623016][   T10] 
[ 8972.624580][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8972.624580][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8972.624580][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8972.624580][   T10]      ipv6_find_idev+0x102/0x170
[ 8972.624580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8972.624580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8972.624580][   T10]      netlink_rcv_skb+0x130/0x360
[ 8972.624580][   T10]      netlink_unicast+0x449/0x710
[ 8972.624580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8972.624580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8972.624580][   T10]      ___sys_sendmsg+0xee/0x170
[ 8972.624580][   T10]      __sys_sendmsg+0xcd/0x170
[ 8972.624580][   T10]      do_syscall_64+0xc6/0x1e0
[ 8972.624580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8972.624580][   T10] 
[ 8973.890861][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8973.891406][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8973.891406][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8973.891406][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8973.891406][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8973.891406][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8973.891406][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8973.891406][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8973.891406][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8973.891406][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8973.891406][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8973.891406][ T1078]      netlink_unicast+0x449/0x710
[ 8973.891406][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8973.891406][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8973.891406][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8973.891406][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8973.891406][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8973.891406][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8973.891406][ T1078] 
[ 8973.893956][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8973.893956][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8973.893956][ T1078]      ipv6_find_idev+0x102/0x170
[ 8973.893956][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8973.893956][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8973.893956][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8973.893956][ T1078]      netlink_unicast+0x449/0x710
[ 8973.893956][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8973.893956][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8973.893956][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8973.893956][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8973.893956][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8973.893956][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8973.893956][ T1078] 
[ 8973.895820][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8973.895820][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8973.895820][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8973.895820][ T1078]      ipv6_find_idev+0x102/0x170
[ 8973.895820][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8973.895820][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8973.895820][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8973.895820][ T1078]      netlink_unicast+0x449/0x710
[ 8973.895820][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8973.895820][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8973.895820][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8973.895820][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8973.895820][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8973.895820][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8973.895820][ T1078] 
[ 8982.866796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8982.867314][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8982.867314][   T10]      netdev_get_by_index+0x5e/0x80
[ 8982.867314][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8982.867314][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8982.867314][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8982.867314][   T10]      ipv6_add_addr+0x411/0x2000
[ 8982.867314][   T10]      inet6_addr_add+0x30e/0xa40
[ 8982.867314][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8982.867314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.867314][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.867314][   T10]      netlink_unicast+0x449/0x710
[ 8982.867314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.867314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.867314][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.867314][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.867314][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.867314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.867314][   T10] 
[ 8982.869369][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8982.869369][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8982.869369][   T10]      ipv6_find_idev+0x102/0x170
[ 8982.869369][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8982.869369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.869369][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.869369][   T10]      netlink_unicast+0x449/0x710
[ 8982.869369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.869369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.869369][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.869369][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.869369][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.869369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.869369][   T10] 
[ 8982.870948][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8982.870948][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8982.870948][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8982.870948][   T10]      ipv6_find_idev+0x102/0x170
[ 8982.870948][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8982.870948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.870948][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.870948][   T10]      netlink_unicast+0x449/0x710
[ 8982.870948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.870948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.870948][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.870948][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.870948][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.870948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.870948][   T10] 
[ 8982.872701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8982.872944][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8982.872944][   T10]      netdev_get_by_index+0x5e/0x80
[ 8982.872944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8982.872944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8982.872944][   T10]      ip6_route_add+0x1c/0x140
[ 8982.872944][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8982.872944][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8982.872944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8982.872944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.872944][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.872944][   T10]      netlink_unicast+0x449/0x710
[ 8982.872944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.872944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.872944][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.872944][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.872944][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.872944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.872944][   T10] 
[ 8982.874966][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8982.874966][   T10]      netdev_get_by_index+0x5e/0x80
[ 8982.874966][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8982.874966][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8982.874966][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8982.874966][   T10]      ipv6_add_addr+0x411/0x2000
[ 8982.874966][   T10]      inet6_addr_add+0x30e/0xa40
[ 8982.874966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8982.874966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.874966][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.874966][   T10]      netlink_unicast+0x449/0x710
[ 8982.874966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.874966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.874966][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.874966][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.874966][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.874966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.874966][   T10] 
[ 8982.877034][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8982.877034][   T10]      netdev_get_by_index+0x5e/0x80
[ 8982.877034][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8982.877034][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8982.877034][   T10]      ip6_route_add+0x1c/0x140
[ 8982.877034][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8982.877034][   T10]      addrconf_add_dev+0xe2/0x170
[ 8982.877034][   T10]      inet6_addr_add+0x12f/0xa40
[ 8982.877034][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8982.877034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.877034][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.877034][   T10]      netlink_unicast+0x449/0x710
[ 8982.877034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.877034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.877034][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.877034][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.877034][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.877034][   T10] 
[ 8982.879567][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8982.879567][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8982.879567][   T10]      ipv6_find_idev+0x102/0x170
[ 8982.879567][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8982.879567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.879567][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.879567][   T10]      netlink_unicast+0x449/0x710
[ 8982.879567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.879567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.879567][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.879567][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.879567][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.879567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.879567][   T10] 
[ 8982.881127][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8982.881127][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8982.881127][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8982.881127][   T10]      ipv6_find_idev+0x102/0x170
[ 8982.881127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8982.881127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8982.881127][   T10]      netlink_rcv_skb+0x130/0x360
[ 8982.881127][   T10]      netlink_unicast+0x449/0x710
[ 8982.881127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8982.881127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8982.881127][   T10]      ___sys_sendmsg+0xee/0x170
[ 8982.881127][   T10]      __sys_sendmsg+0xcd/0x170
[ 8982.881127][   T10]      do_syscall_64+0xc6/0x1e0
[ 8982.881127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8982.881127][   T10] 
[ 8984.146857][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8984.147389][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8984.147389][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8984.147389][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8984.147389][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8984.147389][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8984.147389][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8984.147389][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8984.147389][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8984.147389][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8984.147389][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8984.147389][ T1078]      netlink_unicast+0x449/0x710
[ 8984.147389][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8984.147389][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8984.147389][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8984.147389][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8984.147389][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8984.147389][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8984.147389][ T1078] 
[ 8984.149975][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8984.149975][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8984.149975][ T1078]      ipv6_find_idev+0x102/0x170
[ 8984.149975][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8984.149975][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8984.149975][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8984.149975][ T1078]      netlink_unicast+0x449/0x710
[ 8984.149975][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8984.149975][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8984.149975][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8984.149975][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8984.149975][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8984.149975][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8984.149975][ T1078] 
[ 8984.151889][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8984.151889][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8984.151889][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8984.151889][ T1078]      ipv6_find_idev+0x102/0x170
[ 8984.151889][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8984.151889][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8984.151889][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8984.151889][ T1078]      netlink_unicast+0x449/0x710
[ 8984.151889][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8984.151889][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8984.151889][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8984.151889][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8984.151889][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8984.151889][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8984.151889][ T1078] 
[ 8993.122871][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 8993.123283][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8993.123283][   T10]      netdev_get_by_index+0x5e/0x80
[ 8993.123283][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8993.123283][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8993.123283][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8993.123283][   T10]      ipv6_add_addr+0x411/0x2000
[ 8993.123283][   T10]      inet6_addr_add+0x30e/0xa40
[ 8993.123283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8993.123283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.123283][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.123283][   T10]      netlink_unicast+0x449/0x710
[ 8993.123283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.123283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.123283][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.123283][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.123283][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.123283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.123283][   T10] 
[ 8993.125346][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8993.125346][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8993.125346][   T10]      ipv6_find_idev+0x102/0x170
[ 8993.125346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8993.125346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.125346][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.125346][   T10]      netlink_unicast+0x449/0x710
[ 8993.125346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.125346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.125346][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.125346][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.125346][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.125346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.125346][   T10] 
[ 8993.126909][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 8993.126909][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8993.126909][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8993.126909][   T10]      ipv6_find_idev+0x102/0x170
[ 8993.126909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8993.126909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.126909][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.126909][   T10]      netlink_unicast+0x449/0x710
[ 8993.126909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.126909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.126909][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.126909][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.126909][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.126909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.126909][   T10] 
[ 8993.128637][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 8993.128898][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8993.128898][   T10]      netdev_get_by_index+0x5e/0x80
[ 8993.128898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8993.128898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8993.128898][   T10]      ip6_route_add+0x1c/0x140
[ 8993.128898][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 8993.128898][   T10]      inet6_addr_add+0x4f8/0xa40
[ 8993.128898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8993.128898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.128898][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.128898][   T10]      netlink_unicast+0x449/0x710
[ 8993.128898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.128898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.128898][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.128898][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.128898][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.128898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.128898][   T10] 
[ 8993.130932][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8993.130932][   T10]      netdev_get_by_index+0x5e/0x80
[ 8993.130932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8993.130932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8993.130932][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 8993.130932][   T10]      ipv6_add_addr+0x411/0x2000
[ 8993.130932][   T10]      inet6_addr_add+0x30e/0xa40
[ 8993.130932][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8993.130932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.130932][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.130932][   T10]      netlink_unicast+0x449/0x710
[ 8993.130932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.130932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.130932][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.130932][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.130932][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.130932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.130932][   T10] 
[ 8993.132969][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8993.132969][   T10]      netdev_get_by_index+0x5e/0x80
[ 8993.132969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 8993.132969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 8993.132969][   T10]      ip6_route_add+0x1c/0x140
[ 8993.132969][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 8993.132969][   T10]      addrconf_add_dev+0xe2/0x170
[ 8993.132969][   T10]      inet6_addr_add+0x12f/0xa40
[ 8993.132969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 8993.132969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.132969][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.132969][   T10]      netlink_unicast+0x449/0x710
[ 8993.132969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.132969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.132969][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.132969][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.132969][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.132969][   T10] 
[ 8993.134958][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8993.134958][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 8993.134958][   T10]      ipv6_find_idev+0x102/0x170
[ 8993.134958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8993.134958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.134958][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.134958][   T10]      netlink_unicast+0x449/0x710
[ 8993.134958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.134958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.134958][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.134958][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.134958][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.134958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.134958][   T10] 
[ 8993.136516][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 8993.136516][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 8993.136516][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 8993.136516][   T10]      ipv6_find_idev+0x102/0x170
[ 8993.136516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8993.136516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8993.136516][   T10]      netlink_rcv_skb+0x130/0x360
[ 8993.136516][   T10]      netlink_unicast+0x449/0x710
[ 8993.136516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 8993.136516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 8993.136516][   T10]      ___sys_sendmsg+0xee/0x170
[ 8993.136516][   T10]      __sys_sendmsg+0xcd/0x170
[ 8993.136516][   T10]      do_syscall_64+0xc6/0x1e0
[ 8993.136516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8993.136516][   T10] 
[ 8994.402860][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 8994.403470][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8994.403470][ T1078]      netdev_get_by_index+0x5e/0x80
[ 8994.403470][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 8994.403470][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 8994.403470][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 8994.403470][ T1078]      ipv6_add_addr+0x411/0x2000
[ 8994.403470][ T1078]      inet6_addr_add+0x30e/0xa40
[ 8994.403470][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 8994.403470][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8994.403470][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8994.403470][ T1078]      netlink_unicast+0x449/0x710
[ 8994.403470][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8994.403470][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8994.403470][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8994.403470][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8994.403470][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8994.403470][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8994.403470][ T1078] 
[ 8994.405951][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8994.405951][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 8994.405951][ T1078]      ipv6_find_idev+0x102/0x170
[ 8994.405951][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8994.405951][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8994.405951][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8994.405951][ T1078]      netlink_unicast+0x449/0x710
[ 8994.405951][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8994.405951][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8994.405951][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8994.405951][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8994.405951][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8994.405951][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8994.405951][ T1078] 
[ 8994.407833][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 8994.407833][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 8994.407833][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 8994.407833][ T1078]      ipv6_find_idev+0x102/0x170
[ 8994.407833][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 8994.407833][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 8994.407833][ T1078]      netlink_rcv_skb+0x130/0x360
[ 8994.407833][ T1078]      netlink_unicast+0x449/0x710
[ 8994.407833][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 8994.407833][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 8994.407833][ T1078]      ___sys_sendmsg+0xee/0x170
[ 8994.407833][ T1078]      __sys_sendmsg+0xcd/0x170
[ 8994.407833][ T1078]      do_syscall_64+0xc6/0x1e0
[ 8994.407833][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 8994.407833][ T1078] 
[ 9003.378786][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9003.379270][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9003.379270][   T10]      netdev_get_by_index+0x5e/0x80
[ 9003.379270][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9003.379270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9003.379270][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9003.379270][   T10]      ipv6_add_addr+0x411/0x2000
[ 9003.379270][   T10]      inet6_addr_add+0x30e/0xa40
[ 9003.379270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9003.379270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.379270][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.379270][   T10]      netlink_unicast+0x449/0x710
[ 9003.379270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.379270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.379270][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.379270][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.379270][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.379270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.379270][   T10] 
[ 9003.381330][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9003.381330][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9003.381330][   T10]      ipv6_find_idev+0x102/0x170
[ 9003.381330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9003.381330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.381330][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.381330][   T10]      netlink_unicast+0x449/0x710
[ 9003.381330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.381330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.381330][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.381330][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.381330][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.381330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.381330][   T10] 
[ 9003.382929][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9003.382929][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9003.382929][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9003.382929][   T10]      ipv6_find_idev+0x102/0x170
[ 9003.382929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9003.382929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.382929][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.382929][   T10]      netlink_unicast+0x449/0x710
[ 9003.382929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.382929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.382929][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.382929][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.382929][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.382929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.382929][   T10] 
[ 9003.384649][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9003.384911][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9003.384911][   T10]      netdev_get_by_index+0x5e/0x80
[ 9003.384911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9003.384911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9003.384911][   T10]      ip6_route_add+0x1c/0x140
[ 9003.384911][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9003.384911][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9003.384911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9003.384911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.384911][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.384911][   T10]      netlink_unicast+0x449/0x710
[ 9003.384911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.384911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.384911][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.384911][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.384911][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.384911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.384911][   T10] 
[ 9003.386943][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9003.386943][   T10]      netdev_get_by_index+0x5e/0x80
[ 9003.386943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9003.386943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9003.386943][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9003.386943][   T10]      ipv6_add_addr+0x411/0x2000
[ 9003.386943][   T10]      inet6_addr_add+0x30e/0xa40
[ 9003.386943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9003.386943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.386943][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.386943][   T10]      netlink_unicast+0x449/0x710
[ 9003.386943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.386943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.386943][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.386943][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.386943][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.386943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.386943][   T10] 
[ 9003.388973][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9003.388973][   T10]      netdev_get_by_index+0x5e/0x80
[ 9003.388973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9003.388973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9003.388973][   T10]      ip6_route_add+0x1c/0x140
[ 9003.388973][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9003.388973][   T10]      addrconf_add_dev+0xe2/0x170
[ 9003.388973][   T10]      inet6_addr_add+0x12f/0xa40
[ 9003.388973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9003.388973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.388973][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.388973][   T10]      netlink_unicast+0x449/0x710
[ 9003.388973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.388973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.388973][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.388973][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.388973][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.388973][   T10] 
[ 9003.390958][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9003.390958][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9003.390958][   T10]      ipv6_find_idev+0x102/0x170
[ 9003.390958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9003.390958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.390958][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.390958][   T10]      netlink_unicast+0x449/0x710
[ 9003.390958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.390958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.390958][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.390958][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.390958][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.390958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.390958][   T10] 
[ 9003.392532][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9003.392532][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9003.392532][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9003.392532][   T10]      ipv6_find_idev+0x102/0x170
[ 9003.392532][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9003.392532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9003.392532][   T10]      netlink_rcv_skb+0x130/0x360
[ 9003.392532][   T10]      netlink_unicast+0x449/0x710
[ 9003.392532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9003.392532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9003.392532][   T10]      ___sys_sendmsg+0xee/0x170
[ 9003.392532][   T10]      __sys_sendmsg+0xcd/0x170
[ 9003.392532][   T10]      do_syscall_64+0xc6/0x1e0
[ 9003.392532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9003.392532][   T10] 
[ 9004.658802][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9004.659347][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9004.659347][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9004.659347][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9004.659347][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9004.659347][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9004.659347][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9004.659347][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9004.659347][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9004.659347][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9004.659347][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9004.659347][ T1078]      netlink_unicast+0x449/0x710
[ 9004.659347][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9004.659347][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9004.659347][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9004.659347][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9004.659347][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9004.659347][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9004.659347][ T1078] 
[ 9004.661655][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9004.661655][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9004.661655][ T1078]      ipv6_find_idev+0x102/0x170
[ 9004.661655][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9004.661655][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9004.661655][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9004.661655][ T1078]      netlink_unicast+0x449/0x710
[ 9004.661655][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9004.661655][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9004.661655][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9004.661655][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9004.661655][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9004.661655][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9004.661655][ T1078] 
[ 9004.663442][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9004.663442][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9004.663442][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9004.663442][ T1078]      ipv6_find_idev+0x102/0x170
[ 9004.663442][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9004.663442][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9004.663442][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9004.663442][ T1078]      netlink_unicast+0x449/0x710
[ 9004.663442][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9004.663442][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9004.663442][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9004.663442][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9004.663442][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9004.663442][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9004.663442][ T1078] 
[ 9013.634804][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9013.635288][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9013.635288][   T10]      netdev_get_by_index+0x5e/0x80
[ 9013.635288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9013.635288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9013.635288][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9013.635288][   T10]      ipv6_add_addr+0x411/0x2000
[ 9013.635288][   T10]      inet6_addr_add+0x30e/0xa40
[ 9013.635288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9013.635288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.635288][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.635288][   T10]      netlink_unicast+0x449/0x710
[ 9013.635288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.635288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.635288][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.635288][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.635288][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.635288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.635288][   T10] 
[ 9013.637337][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9013.637337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9013.637337][   T10]      ipv6_find_idev+0x102/0x170
[ 9013.637337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9013.637337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.637337][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.637337][   T10]      netlink_unicast+0x449/0x710
[ 9013.637337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.637337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.637337][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.637337][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.637337][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.637337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.637337][   T10] 
[ 9013.638907][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9013.638907][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9013.638907][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9013.638907][   T10]      ipv6_find_idev+0x102/0x170
[ 9013.638907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9013.638907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.638907][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.638907][   T10]      netlink_unicast+0x449/0x710
[ 9013.638907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.638907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.638907][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.638907][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.638907][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.638907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.638907][   T10] 
[ 9013.640630][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9013.640894][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9013.640894][   T10]      netdev_get_by_index+0x5e/0x80
[ 9013.640894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9013.640894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9013.640894][   T10]      ip6_route_add+0x1c/0x140
[ 9013.640894][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9013.640894][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9013.640894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9013.640894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.640894][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.640894][   T10]      netlink_unicast+0x449/0x710
[ 9013.640894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.640894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.640894][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.640894][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.640894][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.640894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.640894][   T10] 
[ 9013.642945][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9013.642945][   T10]      netdev_get_by_index+0x5e/0x80
[ 9013.642945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9013.642945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9013.642945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9013.642945][   T10]      ipv6_add_addr+0x411/0x2000
[ 9013.642945][   T10]      inet6_addr_add+0x30e/0xa40
[ 9013.642945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9013.642945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.642945][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.642945][   T10]      netlink_unicast+0x449/0x710
[ 9013.642945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.642945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.642945][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.642945][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.642945][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.642945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.642945][   T10] 
[ 9013.644972][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9013.644972][   T10]      netdev_get_by_index+0x5e/0x80
[ 9013.644972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9013.644972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9013.644972][   T10]      ip6_route_add+0x1c/0x140
[ 9013.644972][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9013.644972][   T10]      addrconf_add_dev+0xe2/0x170
[ 9013.644972][   T10]      inet6_addr_add+0x12f/0xa40
[ 9013.644972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9013.644972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.644972][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.644972][   T10]      netlink_unicast+0x449/0x710
[ 9013.644972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.644972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.644972][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.644972][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.644972][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.644972][   T10] 
[ 9013.646960][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9013.646960][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9013.646960][   T10]      ipv6_find_idev+0x102/0x170
[ 9013.646960][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9013.646960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.646960][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.646960][   T10]      netlink_unicast+0x449/0x710
[ 9013.646960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.646960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.646960][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.646960][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.646960][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.646960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.646960][   T10] 
[ 9013.648518][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9013.648518][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9013.648518][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9013.648518][   T10]      ipv6_find_idev+0x102/0x170
[ 9013.648518][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9013.648518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9013.648518][   T10]      netlink_rcv_skb+0x130/0x360
[ 9013.648518][   T10]      netlink_unicast+0x449/0x710
[ 9013.648518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9013.648518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9013.648518][   T10]      ___sys_sendmsg+0xee/0x170
[ 9013.648518][   T10]      __sys_sendmsg+0xcd/0x170
[ 9013.648518][   T10]      do_syscall_64+0xc6/0x1e0
[ 9013.648518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9013.648518][   T10] 
[ 9014.914790][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9014.915320][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9014.915320][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9014.915320][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9014.915320][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9014.915320][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9014.915320][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9014.915320][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9014.915320][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9014.915320][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9014.915320][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9014.915320][ T1078]      netlink_unicast+0x449/0x710
[ 9014.915320][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9014.915320][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9014.915320][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9014.915320][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9014.915320][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9014.915320][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9014.915320][ T1078] 
[ 9014.917642][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9014.917642][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9014.917642][ T1078]      ipv6_find_idev+0x102/0x170
[ 9014.917642][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9014.917642][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9014.917642][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9014.917642][ T1078]      netlink_unicast+0x449/0x710
[ 9014.917642][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9014.917642][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9014.917642][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9014.917642][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9014.917642][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9014.917642][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9014.917642][ T1078] 
[ 9014.919406][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9014.919406][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9014.919406][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9014.919406][ T1078]      ipv6_find_idev+0x102/0x170
[ 9014.919406][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9014.919406][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9014.919406][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9014.919406][ T1078]      netlink_unicast+0x449/0x710
[ 9014.919406][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9014.919406][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9014.919406][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9014.919406][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9014.919406][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9014.919406][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9014.919406][ T1078] 
[ 9023.890798][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9023.891264][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9023.891264][   T10]      netdev_get_by_index+0x5e/0x80
[ 9023.891264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9023.891264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9023.891264][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9023.891264][   T10]      ipv6_add_addr+0x411/0x2000
[ 9023.891264][   T10]      inet6_addr_add+0x30e/0xa40
[ 9023.891264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9023.891264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.891264][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.891264][   T10]      netlink_unicast+0x449/0x710
[ 9023.891264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.891264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.891264][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.891264][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.891264][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.891264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.891264][   T10] 
[ 9023.893318][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9023.893318][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9023.893318][   T10]      ipv6_find_idev+0x102/0x170
[ 9023.893318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9023.893318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.893318][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.893318][   T10]      netlink_unicast+0x449/0x710
[ 9023.893318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.893318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.893318][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.893318][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.893318][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.893318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.893318][   T10] 
[ 9023.894885][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9023.894885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9023.894885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9023.894885][   T10]      ipv6_find_idev+0x102/0x170
[ 9023.894885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9023.894885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.894885][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.894885][   T10]      netlink_unicast+0x449/0x710
[ 9023.894885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.894885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.894885][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.894885][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.894885][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.894885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.894885][   T10] 
[ 9023.896602][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9023.896867][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9023.896867][   T10]      netdev_get_by_index+0x5e/0x80
[ 9023.896867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9023.896867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9023.896867][   T10]      ip6_route_add+0x1c/0x140
[ 9023.896867][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9023.896867][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9023.896867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9023.896867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.896867][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.896867][   T10]      netlink_unicast+0x449/0x710
[ 9023.896867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.896867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.896867][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.896867][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.896867][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.896867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.896867][   T10] 
[ 9023.898914][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9023.898914][   T10]      netdev_get_by_index+0x5e/0x80
[ 9023.898914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9023.898914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9023.898914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9023.898914][   T10]      ipv6_add_addr+0x411/0x2000
[ 9023.898914][   T10]      inet6_addr_add+0x30e/0xa40
[ 9023.898914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9023.898914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.898914][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.898914][   T10]      netlink_unicast+0x449/0x710
[ 9023.898914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.898914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.898914][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.898914][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.898914][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.898914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.898914][   T10] 
[ 9023.900939][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9023.900939][   T10]      netdev_get_by_index+0x5e/0x80
[ 9023.900939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9023.900939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9023.900939][   T10]      ip6_route_add+0x1c/0x140
[ 9023.900939][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9023.900939][   T10]      addrconf_add_dev+0xe2/0x170
[ 9023.900939][   T10]      inet6_addr_add+0x12f/0xa40
[ 9023.900939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9023.900939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.900939][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.900939][   T10]      netlink_unicast+0x449/0x710
[ 9023.900939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.900939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.900939][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.900939][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.900939][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.900939][   T10] 
[ 9023.902936][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9023.902936][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9023.902936][   T10]      ipv6_find_idev+0x102/0x170
[ 9023.902936][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9023.902936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.902936][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.902936][   T10]      netlink_unicast+0x449/0x710
[ 9023.902936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.902936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.902936][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.902936][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.902936][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.902936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.902936][   T10] 
[ 9023.904493][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9023.904493][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9023.904493][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9023.904493][   T10]      ipv6_find_idev+0x102/0x170
[ 9023.904493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9023.904493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9023.904493][   T10]      netlink_rcv_skb+0x130/0x360
[ 9023.904493][   T10]      netlink_unicast+0x449/0x710
[ 9023.904493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9023.904493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9023.904493][   T10]      ___sys_sendmsg+0xee/0x170
[ 9023.904493][   T10]      __sys_sendmsg+0xcd/0x170
[ 9023.904493][   T10]      do_syscall_64+0xc6/0x1e0
[ 9023.904493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9023.904493][   T10] 
[ 9025.170793][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9025.171343][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9025.171343][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9025.171343][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9025.171343][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9025.171343][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9025.171343][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9025.171343][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9025.171343][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9025.171343][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9025.171343][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9025.171343][ T1078]      netlink_unicast+0x449/0x710
[ 9025.171343][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9025.171343][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9025.171343][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9025.171343][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9025.171343][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9025.171343][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9025.171343][ T1078] 
[ 9025.173687][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9025.173687][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9025.173687][ T1078]      ipv6_find_idev+0x102/0x170
[ 9025.173687][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9025.173687][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9025.173687][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9025.173687][ T1078]      netlink_unicast+0x449/0x710
[ 9025.173687][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9025.173687][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9025.173687][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9025.173687][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9025.173687][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9025.173687][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9025.173687][ T1078] 
[ 9025.175476][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9025.175476][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9025.175476][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9025.175476][ T1078]      ipv6_find_idev+0x102/0x170
[ 9025.175476][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9025.175476][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9025.175476][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9025.175476][ T1078]      netlink_unicast+0x449/0x710
[ 9025.175476][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9025.175476][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9025.175476][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9025.175476][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9025.175476][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9025.175476][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9025.175476][ T1078] 
[ 9034.146812][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9034.147265][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9034.147265][   T10]      netdev_get_by_index+0x5e/0x80
[ 9034.147265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9034.147265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9034.147265][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9034.147265][   T10]      ipv6_add_addr+0x411/0x2000
[ 9034.147265][   T10]      inet6_addr_add+0x30e/0xa40
[ 9034.147265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9034.147265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.147265][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.147265][   T10]      netlink_unicast+0x449/0x710
[ 9034.147265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.147265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.147265][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.147265][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.147265][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.147265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.147265][   T10] 
[ 9034.149321][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9034.149321][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9034.149321][   T10]      ipv6_find_idev+0x102/0x170
[ 9034.149321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9034.149321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.149321][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.149321][   T10]      netlink_unicast+0x449/0x710
[ 9034.149321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.149321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.149321][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.149321][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.149321][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.149321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.149321][   T10] 
[ 9034.150895][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9034.150895][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9034.150895][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9034.150895][   T10]      ipv6_find_idev+0x102/0x170
[ 9034.150895][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9034.150895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.150895][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.150895][   T10]      netlink_unicast+0x449/0x710
[ 9034.150895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.150895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.150895][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.150895][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.150895][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.150895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.150895][   T10] 
[ 9034.152617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9034.152878][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9034.152878][   T10]      netdev_get_by_index+0x5e/0x80
[ 9034.152878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9034.152878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9034.152878][   T10]      ip6_route_add+0x1c/0x140
[ 9034.152878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9034.152878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9034.152878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9034.152878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.152878][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.152878][   T10]      netlink_unicast+0x449/0x710
[ 9034.152878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.152878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.152878][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.152878][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.152878][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.152878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.152878][   T10] 
[ 9034.154918][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9034.154918][   T10]      netdev_get_by_index+0x5e/0x80
[ 9034.154918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9034.154918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9034.154918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9034.154918][   T10]      ipv6_add_addr+0x411/0x2000
[ 9034.154918][   T10]      inet6_addr_add+0x30e/0xa40
[ 9034.154918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9034.154918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.154918][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.154918][   T10]      netlink_unicast+0x449/0x710
[ 9034.154918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.154918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.154918][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.154918][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.154918][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.154918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.154918][   T10] 
[ 9034.156951][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9034.156951][   T10]      netdev_get_by_index+0x5e/0x80
[ 9034.156951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9034.156951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9034.156951][   T10]      ip6_route_add+0x1c/0x140
[ 9034.156951][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9034.156951][   T10]      addrconf_add_dev+0xe2/0x170
[ 9034.156951][   T10]      inet6_addr_add+0x12f/0xa40
[ 9034.156951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9034.156951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.156951][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.156951][   T10]      netlink_unicast+0x449/0x710
[ 9034.156951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.156951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.156951][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.156951][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.156951][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.156951][   T10] 
[ 9034.158948][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9034.158948][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9034.158948][   T10]      ipv6_find_idev+0x102/0x170
[ 9034.158948][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9034.158948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.158948][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.158948][   T10]      netlink_unicast+0x449/0x710
[ 9034.158948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.158948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.158948][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.158948][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.158948][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.158948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.158948][   T10] 
[ 9034.160519][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9034.160519][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9034.160519][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9034.160519][   T10]      ipv6_find_idev+0x102/0x170
[ 9034.160519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9034.160519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9034.160519][   T10]      netlink_rcv_skb+0x130/0x360
[ 9034.160519][   T10]      netlink_unicast+0x449/0x710
[ 9034.160519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9034.160519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9034.160519][   T10]      ___sys_sendmsg+0xee/0x170
[ 9034.160519][   T10]      __sys_sendmsg+0xcd/0x170
[ 9034.160519][   T10]      do_syscall_64+0xc6/0x1e0
[ 9034.160519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9034.160519][   T10] 
[ 9035.426797][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9035.427339][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9035.427339][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9035.427339][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9035.427339][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9035.427339][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9035.427339][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9035.427339][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9035.427339][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9035.427339][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9035.427339][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9035.427339][ T1078]      netlink_unicast+0x449/0x710
[ 9035.427339][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9035.427339][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9035.427339][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9035.427339][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9035.427339][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9035.427339][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9035.427339][ T1078] 
[ 9035.429656][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9035.429656][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9035.429656][ T1078]      ipv6_find_idev+0x102/0x170
[ 9035.429656][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9035.429656][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9035.429656][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9035.429656][ T1078]      netlink_unicast+0x449/0x710
[ 9035.429656][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9035.429656][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9035.429656][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9035.429656][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9035.429656][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9035.429656][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9035.429656][ T1078] 
[ 9035.431439][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9035.431439][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9035.431439][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9035.431439][ T1078]      ipv6_find_idev+0x102/0x170
[ 9035.431439][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9035.431439][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9035.431439][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9035.431439][ T1078]      netlink_unicast+0x449/0x710
[ 9035.431439][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9035.431439][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9035.431439][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9035.431439][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9035.431439][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9035.431439][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9035.431439][ T1078] 
[ 9044.402887][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9044.403340][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9044.403340][   T10]      netdev_get_by_index+0x5e/0x80
[ 9044.403340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9044.403340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9044.403340][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9044.403340][   T10]      ipv6_add_addr+0x411/0x2000
[ 9044.403340][   T10]      inet6_addr_add+0x30e/0xa40
[ 9044.403340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9044.403340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.403340][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.403340][   T10]      netlink_unicast+0x449/0x710
[ 9044.403340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.403340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.403340][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.403340][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.403340][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.403340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.403340][   T10] 
[ 9044.405405][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9044.405405][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9044.405405][   T10]      ipv6_find_idev+0x102/0x170
[ 9044.405405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9044.405405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.405405][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.405405][   T10]      netlink_unicast+0x449/0x710
[ 9044.405405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.405405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.405405][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.405405][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.405405][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.405405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.405405][   T10] 
[ 9044.406991][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9044.406991][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9044.406991][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9044.406991][   T10]      ipv6_find_idev+0x102/0x170
[ 9044.406991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9044.406991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.406991][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.406991][   T10]      netlink_unicast+0x449/0x710
[ 9044.406991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.406991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.406991][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.406991][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.406991][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.406991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.406991][   T10] 
[ 9044.408718][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9044.408959][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9044.408959][   T10]      netdev_get_by_index+0x5e/0x80
[ 9044.408959][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9044.408959][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9044.408959][   T10]      ip6_route_add+0x1c/0x140
[ 9044.408959][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9044.408959][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9044.408959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9044.408959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.408959][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.408959][   T10]      netlink_unicast+0x449/0x710
[ 9044.408959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.408959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.408959][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.408959][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.408959][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.408959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.408959][   T10] 
[ 9044.411005][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9044.411005][   T10]      netdev_get_by_index+0x5e/0x80
[ 9044.411005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9044.411005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9044.411005][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9044.411005][   T10]      ipv6_add_addr+0x411/0x2000
[ 9044.411005][   T10]      inet6_addr_add+0x30e/0xa40
[ 9044.411005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9044.411005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.411005][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.411005][   T10]      netlink_unicast+0x449/0x710
[ 9044.411005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.411005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.411005][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.411005][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.411005][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.411005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.411005][   T10] 
[ 9044.413046][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9044.413046][   T10]      netdev_get_by_index+0x5e/0x80
[ 9044.413046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9044.413046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9044.413046][   T10]      ip6_route_add+0x1c/0x140
[ 9044.413046][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9044.413046][   T10]      addrconf_add_dev+0xe2/0x170
[ 9044.413046][   T10]      inet6_addr_add+0x12f/0xa40
[ 9044.413046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9044.413046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.413046][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.413046][   T10]      netlink_unicast+0x449/0x710
[ 9044.413046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.413046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.413046][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.413046][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.413046][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.413046][   T10] 
[ 9044.415033][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9044.415033][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9044.415033][   T10]      ipv6_find_idev+0x102/0x170
[ 9044.415033][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9044.415033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.415033][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.415033][   T10]      netlink_unicast+0x449/0x710
[ 9044.415033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.415033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.415033][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.415033][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.415033][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.415033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.415033][   T10] 
[ 9044.416593][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9044.416593][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9044.416593][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9044.416593][   T10]      ipv6_find_idev+0x102/0x170
[ 9044.416593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9044.416593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9044.416593][   T10]      netlink_rcv_skb+0x130/0x360
[ 9044.416593][   T10]      netlink_unicast+0x449/0x710
[ 9044.416593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9044.416593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9044.416593][   T10]      ___sys_sendmsg+0xee/0x170
[ 9044.416593][   T10]      __sys_sendmsg+0xcd/0x170
[ 9044.416593][   T10]      do_syscall_64+0xc6/0x1e0
[ 9044.416593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9044.416593][   T10] 
[ 9045.682841][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9045.683357][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9045.683357][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9045.683357][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9045.683357][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9045.683357][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9045.683357][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9045.683357][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9045.683357][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9045.683357][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9045.683357][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9045.683357][ T1078]      netlink_unicast+0x449/0x710
[ 9045.683357][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9045.683357][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9045.683357][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9045.683357][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9045.683357][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9045.683357][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9045.683357][ T1078] 
[ 9045.685909][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9045.685909][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9045.685909][ T1078]      ipv6_find_idev+0x102/0x170
[ 9045.685909][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9045.685909][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9045.685909][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9045.685909][ T1078]      netlink_unicast+0x449/0x710
[ 9045.685909][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9045.685909][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9045.685909][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9045.685909][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9045.685909][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9045.685909][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9045.685909][ T1078] 
[ 9045.687887][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9045.687887][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9045.687887][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9045.687887][ T1078]      ipv6_find_idev+0x102/0x170
[ 9045.687887][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9045.687887][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9045.687887][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9045.687887][ T1078]      netlink_unicast+0x449/0x710
[ 9045.687887][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9045.687887][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9045.687887][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9045.687887][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9045.687887][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9045.687887][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9045.687887][ T1078] 
[ 9054.658820][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9054.659266][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9054.659266][   T10]      netdev_get_by_index+0x5e/0x80
[ 9054.659266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9054.659266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9054.659266][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9054.659266][   T10]      ipv6_add_addr+0x411/0x2000
[ 9054.659266][   T10]      inet6_addr_add+0x30e/0xa40
[ 9054.659266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9054.659266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.659266][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.659266][   T10]      netlink_unicast+0x449/0x710
[ 9054.659266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.659266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.659266][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.659266][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.659266][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.659266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.659266][   T10] 
[ 9054.661329][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9054.661329][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9054.661329][   T10]      ipv6_find_idev+0x102/0x170
[ 9054.661329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9054.661329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.661329][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.661329][   T10]      netlink_unicast+0x449/0x710
[ 9054.661329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.661329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.661329][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.661329][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.661329][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.661329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.661329][   T10] 
[ 9054.662907][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9054.662907][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9054.662907][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9054.662907][   T10]      ipv6_find_idev+0x102/0x170
[ 9054.662907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9054.662907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.662907][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.662907][   T10]      netlink_unicast+0x449/0x710
[ 9054.662907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.662907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.662907][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.662907][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.662907][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.662907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.662907][   T10] 
[ 9054.664623][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9054.664876][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9054.664876][   T10]      netdev_get_by_index+0x5e/0x80
[ 9054.664876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9054.664876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9054.664876][   T10]      ip6_route_add+0x1c/0x140
[ 9054.664876][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9054.664876][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9054.664876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9054.664876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.664876][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.664876][   T10]      netlink_unicast+0x449/0x710
[ 9054.664876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.664876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.664876][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.664876][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.664876][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.664876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.664876][   T10] 
[ 9054.666917][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9054.666917][   T10]      netdev_get_by_index+0x5e/0x80
[ 9054.666917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9054.666917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9054.666917][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9054.666917][   T10]      ipv6_add_addr+0x411/0x2000
[ 9054.666917][   T10]      inet6_addr_add+0x30e/0xa40
[ 9054.666917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9054.666917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.666917][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.666917][   T10]      netlink_unicast+0x449/0x710
[ 9054.666917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.666917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.666917][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.666917][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.666917][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.666917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.666917][   T10] 
[ 9054.668940][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9054.668940][   T10]      netdev_get_by_index+0x5e/0x80
[ 9054.668940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9054.668940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9054.668940][   T10]      ip6_route_add+0x1c/0x140
[ 9054.668940][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9054.668940][   T10]      addrconf_add_dev+0xe2/0x170
[ 9054.668940][   T10]      inet6_addr_add+0x12f/0xa40
[ 9054.668940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9054.668940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.668940][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.668940][   T10]      netlink_unicast+0x449/0x710
[ 9054.668940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.668940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.668940][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.668940][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.668940][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.668940][   T10] 
[ 9054.670942][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9054.670942][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9054.670942][   T10]      ipv6_find_idev+0x102/0x170
[ 9054.670942][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9054.670942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.670942][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.670942][   T10]      netlink_unicast+0x449/0x710
[ 9054.670942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.670942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.670942][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.670942][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.670942][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.670942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.670942][   T10] 
[ 9054.672516][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9054.672516][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9054.672516][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9054.672516][   T10]      ipv6_find_idev+0x102/0x170
[ 9054.672516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9054.672516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9054.672516][   T10]      netlink_rcv_skb+0x130/0x360
[ 9054.672516][   T10]      netlink_unicast+0x449/0x710
[ 9054.672516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9054.672516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9054.672516][   T10]      ___sys_sendmsg+0xee/0x170
[ 9054.672516][   T10]      __sys_sendmsg+0xcd/0x170
[ 9054.672516][   T10]      do_syscall_64+0xc6/0x1e0
[ 9054.672516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9054.672516][   T10] 
[ 9055.938868][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9055.939431][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9055.939431][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9055.939431][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9055.939431][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9055.939431][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9055.939431][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9055.939431][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9055.939431][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9055.939431][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9055.939431][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9055.939431][ T1078]      netlink_unicast+0x449/0x710
[ 9055.939431][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9055.939431][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9055.939431][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9055.939431][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9055.939431][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9055.939431][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9055.939431][ T1078] 
[ 9055.941914][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9055.941914][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9055.941914][ T1078]      ipv6_find_idev+0x102/0x170
[ 9055.941914][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9055.941914][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9055.941914][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9055.941914][ T1078]      netlink_unicast+0x449/0x710
[ 9055.941914][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9055.941914][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9055.941914][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9055.941914][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9055.941914][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9055.941914][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9055.941914][ T1078] 
[ 9055.943844][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9055.943844][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9055.943844][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9055.943844][ T1078]      ipv6_find_idev+0x102/0x170
[ 9055.943844][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9055.943844][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9055.943844][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9055.943844][ T1078]      netlink_unicast+0x449/0x710
[ 9055.943844][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9055.943844][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9055.943844][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9055.943844][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9055.943844][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9055.943844][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9055.943844][ T1078] 
[ 9064.914793][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9064.915254][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9064.915254][   T10]      netdev_get_by_index+0x5e/0x80
[ 9064.915254][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9064.915254][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9064.915254][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9064.915254][   T10]      ipv6_add_addr+0x411/0x2000
[ 9064.915254][   T10]      inet6_addr_add+0x30e/0xa40
[ 9064.915254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9064.915254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.915254][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.915254][   T10]      netlink_unicast+0x449/0x710
[ 9064.915254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.915254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.915254][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.915254][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.915254][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.915254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.915254][   T10] 
[ 9064.917316][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9064.917316][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9064.917316][   T10]      ipv6_find_idev+0x102/0x170
[ 9064.917316][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9064.917316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.917316][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.917316][   T10]      netlink_unicast+0x449/0x710
[ 9064.917316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.917316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.917316][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.917316][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.917316][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.917316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.917316][   T10] 
[ 9064.918878][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9064.918878][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9064.918878][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9064.918878][   T10]      ipv6_find_idev+0x102/0x170
[ 9064.918878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9064.918878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.918878][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.918878][   T10]      netlink_unicast+0x449/0x710
[ 9064.918878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.918878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.918878][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.918878][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.918878][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.918878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.918878][   T10] 
[ 9064.920607][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9064.920865][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9064.920865][   T10]      netdev_get_by_index+0x5e/0x80
[ 9064.920865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9064.920865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9064.920865][   T10]      ip6_route_add+0x1c/0x140
[ 9064.920865][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9064.920865][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9064.920865][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9064.920865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.920865][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.920865][   T10]      netlink_unicast+0x449/0x710
[ 9064.920865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.920865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.920865][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.920865][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.920865][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.920865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.920865][   T10] 
[ 9064.922947][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9064.922947][   T10]      netdev_get_by_index+0x5e/0x80
[ 9064.922947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9064.922947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9064.922947][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9064.922947][   T10]      ipv6_add_addr+0x411/0x2000
[ 9064.922947][   T10]      inet6_addr_add+0x30e/0xa40
[ 9064.922947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9064.922947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.922947][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.922947][   T10]      netlink_unicast+0x449/0x710
[ 9064.922947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.922947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.922947][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.922947][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.922947][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.922947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.922947][   T10] 
[ 9064.924971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9064.924971][   T10]      netdev_get_by_index+0x5e/0x80
[ 9064.924971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9064.924971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9064.924971][   T10]      ip6_route_add+0x1c/0x140
[ 9064.924971][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9064.924971][   T10]      addrconf_add_dev+0xe2/0x170
[ 9064.924971][   T10]      inet6_addr_add+0x12f/0xa40
[ 9064.924971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9064.924971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.924971][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.924971][   T10]      netlink_unicast+0x449/0x710
[ 9064.924971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.924971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.924971][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.924971][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.924971][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.924971][   T10] 
[ 9064.926954][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9064.926954][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9064.926954][   T10]      ipv6_find_idev+0x102/0x170
[ 9064.926954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9064.926954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.926954][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.926954][   T10]      netlink_unicast+0x449/0x710
[ 9064.926954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.926954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.926954][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.926954][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.926954][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.926954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.926954][   T10] 
[ 9064.928510][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9064.928510][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9064.928510][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9064.928510][   T10]      ipv6_find_idev+0x102/0x170
[ 9064.928510][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9064.928510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9064.928510][   T10]      netlink_rcv_skb+0x130/0x360
[ 9064.928510][   T10]      netlink_unicast+0x449/0x710
[ 9064.928510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9064.928510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9064.928510][   T10]      ___sys_sendmsg+0xee/0x170
[ 9064.928510][   T10]      __sys_sendmsg+0xcd/0x170
[ 9064.928510][   T10]      do_syscall_64+0xc6/0x1e0
[ 9064.928510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9064.928510][   T10] 
[ 9066.194821][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9066.195351][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9066.195351][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9066.195351][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9066.195351][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9066.195351][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9066.195351][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9066.195351][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9066.195351][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9066.195351][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9066.195351][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9066.195351][ T1078]      netlink_unicast+0x449/0x710
[ 9066.195351][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9066.195351][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9066.195351][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9066.195351][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9066.195351][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9066.195351][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9066.195351][ T1078] 
[ 9066.197683][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9066.197683][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9066.197683][ T1078]      ipv6_find_idev+0x102/0x170
[ 9066.197683][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9066.197683][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9066.197683][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9066.197683][ T1078]      netlink_unicast+0x449/0x710
[ 9066.197683][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9066.197683][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9066.197683][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9066.197683][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9066.197683][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9066.197683][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9066.197683][ T1078] 
[ 9066.199467][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9066.199467][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9066.199467][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9066.199467][ T1078]      ipv6_find_idev+0x102/0x170
[ 9066.199467][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9066.199467][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9066.199467][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9066.199467][ T1078]      netlink_unicast+0x449/0x710
[ 9066.199467][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9066.199467][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9066.199467][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9066.199467][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9066.199467][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9066.199467][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9066.199467][ T1078] 
[ 9075.170879][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9075.171366][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9075.171366][   T10]      netdev_get_by_index+0x5e/0x80
[ 9075.171366][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9075.171366][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9075.171366][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9075.171366][   T10]      ipv6_add_addr+0x411/0x2000
[ 9075.171366][   T10]      inet6_addr_add+0x30e/0xa40
[ 9075.171366][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9075.171366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.171366][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.171366][   T10]      netlink_unicast+0x449/0x710
[ 9075.171366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.171366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.171366][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.171366][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.171366][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.171366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.171366][   T10] 
[ 9075.173428][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9075.173428][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9075.173428][   T10]      ipv6_find_idev+0x102/0x170
[ 9075.173428][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9075.173428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.173428][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.173428][   T10]      netlink_unicast+0x449/0x710
[ 9075.173428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.173428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.173428][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.173428][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.173428][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.173428][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.173428][   T10] 
[ 9075.174992][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9075.174992][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9075.174992][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9075.174992][   T10]      ipv6_find_idev+0x102/0x170
[ 9075.174992][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9075.174992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.174992][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.174992][   T10]      netlink_unicast+0x449/0x710
[ 9075.174992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.174992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.174992][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.174992][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.174992][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.174992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.174992][   T10] 
[ 9075.176723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9075.176964][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9075.176964][   T10]      netdev_get_by_index+0x5e/0x80
[ 9075.176964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9075.176964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9075.176964][   T10]      ip6_route_add+0x1c/0x140
[ 9075.176964][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9075.176964][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9075.176964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9075.176964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.176964][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.176964][   T10]      netlink_unicast+0x449/0x710
[ 9075.176964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.176964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.176964][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.176964][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.176964][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.176964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.176964][   T10] 
[ 9075.179005][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9075.179005][   T10]      netdev_get_by_index+0x5e/0x80
[ 9075.179005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9075.179005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9075.179005][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9075.179005][   T10]      ipv6_add_addr+0x411/0x2000
[ 9075.179005][   T10]      inet6_addr_add+0x30e/0xa40
[ 9075.179005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9075.179005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.179005][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.179005][   T10]      netlink_unicast+0x449/0x710
[ 9075.179005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.179005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.179005][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.179005][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.179005][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.179005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.179005][   T10] 
[ 9075.181024][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9075.181024][   T10]      netdev_get_by_index+0x5e/0x80
[ 9075.181024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9075.181024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9075.181024][   T10]      ip6_route_add+0x1c/0x140
[ 9075.181024][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9075.181024][   T10]      addrconf_add_dev+0xe2/0x170
[ 9075.181024][   T10]      inet6_addr_add+0x12f/0xa40
[ 9075.181024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9075.181024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.181024][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.181024][   T10]      netlink_unicast+0x449/0x710
[ 9075.181024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.181024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.181024][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.181024][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.181024][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.181024][   T10] 
[ 9075.183017][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9075.183017][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9075.183017][   T10]      ipv6_find_idev+0x102/0x170
[ 9075.183017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9075.183017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.183017][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.183017][   T10]      netlink_unicast+0x449/0x710
[ 9075.183017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.183017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.183017][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.183017][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.183017][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.183017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.183017][   T10] 
[ 9075.184568][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9075.184568][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9075.184568][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9075.184568][   T10]      ipv6_find_idev+0x102/0x170
[ 9075.184568][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9075.184568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9075.184568][   T10]      netlink_rcv_skb+0x130/0x360
[ 9075.184568][   T10]      netlink_unicast+0x449/0x710
[ 9075.184568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9075.184568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9075.184568][   T10]      ___sys_sendmsg+0xee/0x170
[ 9075.184568][   T10]      __sys_sendmsg+0xcd/0x170
[ 9075.184568][   T10]      do_syscall_64+0xc6/0x1e0
[ 9075.184568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9075.184568][   T10] 
[ 9076.450819][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9076.451359][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9076.451359][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9076.451359][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9076.451359][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9076.451359][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9076.451359][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9076.451359][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9076.451359][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9076.451359][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9076.451359][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9076.451359][ T1078]      netlink_unicast+0x449/0x710
[ 9076.451359][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9076.451359][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9076.451359][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9076.451359][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9076.451359][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9076.451359][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9076.451359][ T1078] 
[ 9076.453687][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9076.453687][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9076.453687][ T1078]      ipv6_find_idev+0x102/0x170
[ 9076.453687][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9076.453687][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9076.453687][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9076.453687][ T1078]      netlink_unicast+0x449/0x710
[ 9076.453687][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9076.453687][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9076.453687][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9076.453687][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9076.453687][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9076.453687][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9076.453687][ T1078] 
[ 9076.455446][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9076.455446][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9076.455446][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9076.455446][ T1078]      ipv6_find_idev+0x102/0x170
[ 9076.455446][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9076.455446][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9076.455446][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9076.455446][ T1078]      netlink_unicast+0x449/0x710
[ 9076.455446][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9076.455446][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9076.455446][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9076.455446][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9076.455446][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9076.455446][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9076.455446][ T1078] 
[ 9085.426822][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9085.427305][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9085.427305][   T10]      netdev_get_by_index+0x5e/0x80
[ 9085.427305][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9085.427305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9085.427305][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9085.427305][   T10]      ipv6_add_addr+0x411/0x2000
[ 9085.427305][   T10]      inet6_addr_add+0x30e/0xa40
[ 9085.427305][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9085.427305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.427305][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.427305][   T10]      netlink_unicast+0x449/0x710
[ 9085.427305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.427305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.427305][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.427305][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.427305][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.427305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.427305][   T10] 
[ 9085.429886][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9085.429886][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9085.429886][   T10]      ipv6_find_idev+0x102/0x170
[ 9085.429886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9085.429886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.429886][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.429886][   T10]      netlink_unicast+0x449/0x710
[ 9085.429886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.429886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.429886][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.429886][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.429886][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.429886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.429886][   T10] 
[ 9085.431449][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9085.431449][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9085.431449][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9085.431449][   T10]      ipv6_find_idev+0x102/0x170
[ 9085.431449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9085.431449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.431449][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.431449][   T10]      netlink_unicast+0x449/0x710
[ 9085.431449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.431449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.431449][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.431449][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.431449][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.431449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.431449][   T10] 
[ 9085.433177][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9085.433422][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9085.433422][   T10]      netdev_get_by_index+0x5e/0x80
[ 9085.433422][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9085.433422][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9085.433422][   T10]      ip6_route_add+0x1c/0x140
[ 9085.433422][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9085.433422][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9085.433422][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9085.433422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.433422][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.433422][   T10]      netlink_unicast+0x449/0x710
[ 9085.433422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.433422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.433422][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.433422][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.433422][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.433422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.433422][   T10] 
[ 9085.435447][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9085.435447][   T10]      netdev_get_by_index+0x5e/0x80
[ 9085.435447][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9085.435447][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9085.435447][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9085.435447][   T10]      ipv6_add_addr+0x411/0x2000
[ 9085.435447][   T10]      inet6_addr_add+0x30e/0xa40
[ 9085.435447][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9085.435447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.435447][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.435447][   T10]      netlink_unicast+0x449/0x710
[ 9085.435447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.435447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.435447][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.435447][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.435447][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.435447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.435447][   T10] 
[ 9085.437466][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9085.437466][   T10]      netdev_get_by_index+0x5e/0x80
[ 9085.437466][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9085.437466][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9085.437466][   T10]      ip6_route_add+0x1c/0x140
[ 9085.437466][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9085.437466][   T10]      addrconf_add_dev+0xe2/0x170
[ 9085.437466][   T10]      inet6_addr_add+0x12f/0xa40
[ 9085.437466][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9085.437466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.437466][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.437466][   T10]      netlink_unicast+0x449/0x710
[ 9085.437466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.437466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.437466][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.437466][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.437466][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.437466][   T10] 
[ 9085.439447][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9085.439447][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9085.439447][   T10]      ipv6_find_idev+0x102/0x170
[ 9085.439447][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9085.439447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.439447][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.439447][   T10]      netlink_unicast+0x449/0x710
[ 9085.439447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.439447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.439447][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.439447][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.439447][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.439447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.439447][   T10] 
[ 9085.441394][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9085.441394][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9085.441394][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9085.441394][   T10]      ipv6_find_idev+0x102/0x170
[ 9085.441394][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9085.441394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9085.441394][   T10]      netlink_rcv_skb+0x130/0x360
[ 9085.441394][   T10]      netlink_unicast+0x449/0x710
[ 9085.441394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9085.441394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9085.441394][   T10]      ___sys_sendmsg+0xee/0x170
[ 9085.441394][   T10]      __sys_sendmsg+0xcd/0x170
[ 9085.441394][   T10]      do_syscall_64+0xc6/0x1e0
[ 9085.441394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9085.441394][   T10] 
[ 9086.706838][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9086.707388][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9086.707388][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9086.707388][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9086.707388][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9086.707388][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9086.707388][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9086.707388][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9086.707388][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9086.707388][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9086.707388][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9086.707388][ T1078]      netlink_unicast+0x449/0x710
[ 9086.707388][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9086.707388][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9086.707388][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9086.707388][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9086.707388][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9086.707388][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9086.707388][ T1078] 
[ 9086.709732][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9086.709732][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9086.709732][ T1078]      ipv6_find_idev+0x102/0x170
[ 9086.709732][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9086.709732][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9086.709732][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9086.709732][ T1078]      netlink_unicast+0x449/0x710
[ 9086.709732][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9086.709732][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9086.709732][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9086.709732][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9086.709732][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9086.709732][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9086.709732][ T1078] 
[ 9086.711490][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9086.711490][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9086.711490][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9086.711490][ T1078]      ipv6_find_idev+0x102/0x170
[ 9086.711490][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9086.711490][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9086.711490][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9086.711490][ T1078]      netlink_unicast+0x449/0x710
[ 9086.711490][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9086.711490][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9086.711490][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9086.711490][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9086.711490][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9086.711490][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9086.711490][ T1078] 
[ 9095.682866][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9095.683349][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9095.683349][   T10]      netdev_get_by_index+0x5e/0x80
[ 9095.683349][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9095.683349][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9095.683349][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9095.683349][   T10]      ipv6_add_addr+0x411/0x2000
[ 9095.683349][   T10]      inet6_addr_add+0x30e/0xa40
[ 9095.683349][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9095.683349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.683349][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.683349][   T10]      netlink_unicast+0x449/0x710
[ 9095.683349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.683349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.683349][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.683349][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.683349][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.683349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.683349][   T10] 
[ 9095.685400][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9095.685400][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9095.685400][   T10]      ipv6_find_idev+0x102/0x170
[ 9095.685400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9095.685400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.685400][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.685400][   T10]      netlink_unicast+0x449/0x710
[ 9095.685400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.685400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.685400][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.685400][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.685400][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.685400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.685400][   T10] 
[ 9095.686963][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9095.686963][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9095.686963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9095.686963][   T10]      ipv6_find_idev+0x102/0x170
[ 9095.686963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9095.686963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.686963][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.686963][   T10]      netlink_unicast+0x449/0x710
[ 9095.686963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.686963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.686963][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.686963][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.686963][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.686963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.686963][   T10] 
[ 9095.688676][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9095.688936][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9095.688936][   T10]      netdev_get_by_index+0x5e/0x80
[ 9095.688936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9095.688936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9095.688936][   T10]      ip6_route_add+0x1c/0x140
[ 9095.688936][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9095.688936][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9095.688936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9095.688936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.688936][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.688936][   T10]      netlink_unicast+0x449/0x710
[ 9095.688936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.688936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.688936][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.688936][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.688936][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.688936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.688936][   T10] 
[ 9095.690968][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9095.690968][   T10]      netdev_get_by_index+0x5e/0x80
[ 9095.690968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9095.690968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9095.690968][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9095.690968][   T10]      ipv6_add_addr+0x411/0x2000
[ 9095.690968][   T10]      inet6_addr_add+0x30e/0xa40
[ 9095.690968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9095.690968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.690968][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.690968][   T10]      netlink_unicast+0x449/0x710
[ 9095.690968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.690968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.690968][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.690968][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.690968][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.690968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.690968][   T10] 
[ 9095.693004][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9095.693004][   T10]      netdev_get_by_index+0x5e/0x80
[ 9095.693004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9095.693004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9095.693004][   T10]      ip6_route_add+0x1c/0x140
[ 9095.693004][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9095.693004][   T10]      addrconf_add_dev+0xe2/0x170
[ 9095.693004][   T10]      inet6_addr_add+0x12f/0xa40
[ 9095.693004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9095.693004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.693004][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.693004][   T10]      netlink_unicast+0x449/0x710
[ 9095.693004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.693004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.693004][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.693004][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.693004][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.693004][   T10] 
[ 9095.695002][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9095.695002][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9095.695002][   T10]      ipv6_find_idev+0x102/0x170
[ 9095.695002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9095.695002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.695002][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.695002][   T10]      netlink_unicast+0x449/0x710
[ 9095.695002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.695002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.695002][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.695002][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.695002][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.695002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.695002][   T10] 
[ 9095.696571][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9095.696571][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9095.696571][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9095.696571][   T10]      ipv6_find_idev+0x102/0x170
[ 9095.696571][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9095.696571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9095.696571][   T10]      netlink_rcv_skb+0x130/0x360
[ 9095.696571][   T10]      netlink_unicast+0x449/0x710
[ 9095.696571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9095.696571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9095.696571][   T10]      ___sys_sendmsg+0xee/0x170
[ 9095.696571][   T10]      __sys_sendmsg+0xcd/0x170
[ 9095.696571][   T10]      do_syscall_64+0xc6/0x1e0
[ 9095.696571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9095.696571][   T10] 
[ 9096.962812][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9096.963354][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9096.963354][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9096.963354][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9096.963354][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9096.963354][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9096.963354][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9096.963354][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9096.963354][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9096.963354][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9096.963354][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9096.963354][ T1078]      netlink_unicast+0x449/0x710
[ 9096.963354][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9096.963354][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9096.963354][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9096.963354][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9096.963354][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9096.963354][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9096.963354][ T1078] 
[ 9096.965672][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9096.965672][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9096.965672][ T1078]      ipv6_find_idev+0x102/0x170
[ 9096.965672][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9096.965672][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9096.965672][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9096.965672][ T1078]      netlink_unicast+0x449/0x710
[ 9096.965672][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9096.965672][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9096.965672][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9096.965672][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9096.965672][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9096.965672][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9096.965672][ T1078] 
[ 9096.967430][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9096.967430][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9096.967430][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9096.967430][ T1078]      ipv6_find_idev+0x102/0x170
[ 9096.967430][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9096.967430][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9096.967430][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9096.967430][ T1078]      netlink_unicast+0x449/0x710
[ 9096.967430][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9096.967430][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9096.967430][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9096.967430][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9096.967430][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9096.967430][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9096.967430][ T1078] 
[ 9105.946827][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9105.947310][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9105.947310][   T10]      netdev_get_by_index+0x5e/0x80
[ 9105.947310][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9105.947310][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9105.947310][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9105.947310][   T10]      ipv6_add_addr+0x411/0x2000
[ 9105.947310][   T10]      inet6_addr_add+0x30e/0xa40
[ 9105.947310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9105.947310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.947310][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.947310][   T10]      netlink_unicast+0x449/0x710
[ 9105.947310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.947310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.947310][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.947310][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.947310][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.947310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.947310][   T10] 
[ 9105.949351][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9105.949351][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9105.949351][   T10]      ipv6_find_idev+0x102/0x170
[ 9105.949351][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9105.949351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.949351][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.949351][   T10]      netlink_unicast+0x449/0x710
[ 9105.949351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.949351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.949351][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.949351][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.949351][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.949351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.949351][   T10] 
[ 9105.950910][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9105.950910][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9105.950910][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9105.950910][   T10]      ipv6_find_idev+0x102/0x170
[ 9105.950910][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9105.950910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.950910][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.950910][   T10]      netlink_unicast+0x449/0x710
[ 9105.950910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.950910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.950910][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.950910][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.950910][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.950910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.950910][   T10] 
[ 9105.952626][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9105.952890][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9105.952890][   T10]      netdev_get_by_index+0x5e/0x80
[ 9105.952890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9105.952890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9105.952890][   T10]      ip6_route_add+0x1c/0x140
[ 9105.952890][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9105.952890][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9105.952890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9105.952890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.952890][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.952890][   T10]      netlink_unicast+0x449/0x710
[ 9105.952890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.952890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.952890][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.952890][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.952890][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.952890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.952890][   T10] 
[ 9105.954912][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9105.954912][   T10]      netdev_get_by_index+0x5e/0x80
[ 9105.954912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9105.954912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9105.954912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9105.954912][   T10]      ipv6_add_addr+0x411/0x2000
[ 9105.954912][   T10]      inet6_addr_add+0x30e/0xa40
[ 9105.954912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9105.954912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.954912][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.954912][   T10]      netlink_unicast+0x449/0x710
[ 9105.954912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.954912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.954912][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.954912][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.954912][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.954912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.954912][   T10] 
[ 9105.957308][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9105.957308][   T10]      netdev_get_by_index+0x5e/0x80
[ 9105.957308][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9105.957308][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9105.957308][   T10]      ip6_route_add+0x1c/0x140
[ 9105.957308][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9105.957308][   T10]      addrconf_add_dev+0xe2/0x170
[ 9105.957308][   T10]      inet6_addr_add+0x12f/0xa40
[ 9105.957308][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9105.957308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.957308][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.957308][   T10]      netlink_unicast+0x449/0x710
[ 9105.957308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.957308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.957308][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.957308][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.957308][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.957308][   T10] 
[ 9105.959288][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9105.959288][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9105.959288][   T10]      ipv6_find_idev+0x102/0x170
[ 9105.959288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9105.959288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.959288][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.959288][   T10]      netlink_unicast+0x449/0x710
[ 9105.959288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.959288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.959288][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.959288][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.959288][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.959288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.959288][   T10] 
[ 9105.960840][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9105.960840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9105.960840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9105.960840][   T10]      ipv6_find_idev+0x102/0x170
[ 9105.960840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9105.960840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9105.960840][   T10]      netlink_rcv_skb+0x130/0x360
[ 9105.960840][   T10]      netlink_unicast+0x449/0x710
[ 9105.960840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9105.960840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9105.960840][   T10]      ___sys_sendmsg+0xee/0x170
[ 9105.960840][   T10]      __sys_sendmsg+0xcd/0x170
[ 9105.960840][   T10]      do_syscall_64+0xc6/0x1e0
[ 9105.960840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9105.960840][   T10] 
[ 9106.970800][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9106.971335][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9106.971335][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9106.971335][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9106.971335][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9106.971335][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9106.971335][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9106.971335][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9106.971335][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9106.971335][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9106.971335][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9106.971335][ T1078]      netlink_unicast+0x449/0x710
[ 9106.971335][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9106.971335][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9106.971335][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9106.971335][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9106.971335][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9106.971335][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9106.971335][ T1078] 
[ 9106.973670][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9106.973670][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9106.973670][ T1078]      ipv6_find_idev+0x102/0x170
[ 9106.973670][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9106.973670][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9106.973670][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9106.973670][ T1078]      netlink_unicast+0x449/0x710
[ 9106.973670][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9106.973670][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9106.973670][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9106.973670][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9106.973670][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9106.973670][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9106.973670][ T1078] 
[ 9106.975442][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9106.975442][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9106.975442][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9106.975442][ T1078]      ipv6_find_idev+0x102/0x170
[ 9106.975442][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9106.975442][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9106.975442][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9106.975442][ T1078]      netlink_unicast+0x449/0x710
[ 9106.975442][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9106.975442][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9106.975442][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9106.975442][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9106.975442][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9106.975442][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9106.975442][ T1078] 
[ 9116.202857][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9116.203387][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9116.203387][   T10]      netdev_get_by_index+0x5e/0x80
[ 9116.203387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9116.203387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9116.203387][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9116.203387][   T10]      ipv6_add_addr+0x411/0x2000
[ 9116.203387][   T10]      inet6_addr_add+0x30e/0xa40
[ 9116.203387][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9116.203387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.203387][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.203387][   T10]      netlink_unicast+0x449/0x710
[ 9116.203387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.203387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.203387][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.203387][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.203387][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.203387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.203387][   T10] 
[ 9116.205779][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9116.205779][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9116.205779][   T10]      ipv6_find_idev+0x102/0x170
[ 9116.205779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9116.205779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.205779][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.205779][   T10]      netlink_unicast+0x449/0x710
[ 9116.205779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.205779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.205779][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.205779][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.205779][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.205779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.205779][   T10] 
[ 9116.207498][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9116.207498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9116.207498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9116.207498][   T10]      ipv6_find_idev+0x102/0x170
[ 9116.207498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9116.207498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.207498][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.207498][   T10]      netlink_unicast+0x449/0x710
[ 9116.207498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.207498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.207498][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.207498][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.207498][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.207498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.207498][   T10] 
[ 9116.209381][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9116.209638][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9116.209638][   T10]      netdev_get_by_index+0x5e/0x80
[ 9116.209638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9116.209638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9116.209638][   T10]      ip6_route_add+0x1c/0x140
[ 9116.209638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9116.209638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9116.209638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9116.209638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.209638][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.209638][   T10]      netlink_unicast+0x449/0x710
[ 9116.209638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.209638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.209638][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.209638][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.209638][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.209638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.209638][   T10] 
[ 9116.211874][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9116.211874][   T10]      netdev_get_by_index+0x5e/0x80
[ 9116.211874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9116.211874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9116.211874][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9116.211874][   T10]      ipv6_add_addr+0x411/0x2000
[ 9116.211874][   T10]      inet6_addr_add+0x30e/0xa40
[ 9116.211874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9116.211874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.211874][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.211874][   T10]      netlink_unicast+0x449/0x710
[ 9116.211874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.211874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.211874][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.211874][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.211874][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.211874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.211874][   T10] 
[ 9116.214144][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9116.214144][   T10]      netdev_get_by_index+0x5e/0x80
[ 9116.214144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9116.214144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9116.214144][   T10]      ip6_route_add+0x1c/0x140
[ 9116.214144][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9116.214144][   T10]      addrconf_add_dev+0xe2/0x170
[ 9116.214144][   T10]      inet6_addr_add+0x12f/0xa40
[ 9116.214144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9116.214144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.214144][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.214144][   T10]      netlink_unicast+0x449/0x710
[ 9116.214144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.214144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.214144][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.214144][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.214144][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.214144][   T10] 
[ 9116.216365][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9116.216365][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9116.216365][   T10]      ipv6_find_idev+0x102/0x170
[ 9116.216365][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9116.216365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.216365][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.216365][   T10]      netlink_unicast+0x449/0x710
[ 9116.216365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.216365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.216365][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.216365][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.216365][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.216365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.216365][   T10] 
[ 9116.218132][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9116.218132][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9116.218132][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9116.218132][   T10]      ipv6_find_idev+0x102/0x170
[ 9116.218132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9116.218132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9116.218132][   T10]      netlink_rcv_skb+0x130/0x360
[ 9116.218132][   T10]      netlink_unicast+0x449/0x710
[ 9116.218132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9116.218132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9116.218132][   T10]      ___sys_sendmsg+0xee/0x170
[ 9116.218132][   T10]      __sys_sendmsg+0xcd/0x170
[ 9116.218132][   T10]      do_syscall_64+0xc6/0x1e0
[ 9116.218132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9116.218132][   T10] 
[ 9117.218806][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9117.219313][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9117.219313][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9117.219313][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9117.219313][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9117.219313][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9117.219313][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9117.219313][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9117.219313][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9117.219313][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9117.219313][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9117.219313][ T1078]      netlink_unicast+0x449/0x710
[ 9117.219313][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9117.219313][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9117.219313][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9117.219313][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9117.219313][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9117.219313][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9117.219313][ T1078] 
[ 9117.221629][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9117.221629][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9117.221629][ T1078]      ipv6_find_idev+0x102/0x170
[ 9117.221629][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9117.221629][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9117.221629][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9117.221629][ T1078]      netlink_unicast+0x449/0x710
[ 9117.221629][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9117.221629][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9117.221629][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9117.221629][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9117.221629][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9117.221629][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9117.221629][ T1078] 
[ 9117.223387][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9117.223387][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9117.223387][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9117.223387][ T1078]      ipv6_find_idev+0x102/0x170
[ 9117.223387][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9117.223387][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9117.223387][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9117.223387][ T1078]      netlink_unicast+0x449/0x710
[ 9117.223387][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9117.223387][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9117.223387][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9117.223387][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9117.223387][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9117.223387][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9117.223387][ T1078] 
[ 9126.458795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9126.459275][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9126.459275][   T10]      netdev_get_by_index+0x5e/0x80
[ 9126.459275][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9126.459275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9126.459275][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9126.459275][   T10]      ipv6_add_addr+0x411/0x2000
[ 9126.459275][   T10]      inet6_addr_add+0x30e/0xa40
[ 9126.459275][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9126.459275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.459275][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.459275][   T10]      netlink_unicast+0x449/0x710
[ 9126.459275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.459275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.459275][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.459275][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.459275][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.459275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.459275][   T10] 
[ 9126.461614][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9126.461614][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9126.461614][   T10]      ipv6_find_idev+0x102/0x170
[ 9126.461614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9126.461614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.461614][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.461614][   T10]      netlink_unicast+0x449/0x710
[ 9126.461614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.461614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.461614][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.461614][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.461614][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.461614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.461614][   T10] 
[ 9126.463318][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9126.463318][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9126.463318][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9126.463318][   T10]      ipv6_find_idev+0x102/0x170
[ 9126.463318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9126.463318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.463318][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.463318][   T10]      netlink_unicast+0x449/0x710
[ 9126.463318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.463318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.463318][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.463318][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.463318][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.463318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.463318][   T10] 
[ 9126.465177][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9126.465433][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9126.465433][   T10]      netdev_get_by_index+0x5e/0x80
[ 9126.465433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9126.465433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9126.465433][   T10]      ip6_route_add+0x1c/0x140
[ 9126.465433][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9126.465433][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9126.465433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9126.465433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.465433][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.465433][   T10]      netlink_unicast+0x449/0x710
[ 9126.465433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.465433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.465433][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.465433][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.465433][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.465433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.465433][   T10] 
[ 9126.467611][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9126.467611][   T10]      netdev_get_by_index+0x5e/0x80
[ 9126.467611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9126.467611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9126.467611][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9126.467611][   T10]      ipv6_add_addr+0x411/0x2000
[ 9126.467611][   T10]      inet6_addr_add+0x30e/0xa40
[ 9126.467611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9126.467611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.467611][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.467611][   T10]      netlink_unicast+0x449/0x710
[ 9126.467611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.467611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.467611][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.467611][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.467611][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.467611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.467611][   T10] 
[ 9126.470110][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9126.470110][   T10]      netdev_get_by_index+0x5e/0x80
[ 9126.470110][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9126.470110][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9126.470110][   T10]      ip6_route_add+0x1c/0x140
[ 9126.470110][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9126.470110][   T10]      addrconf_add_dev+0xe2/0x170
[ 9126.470110][   T10]      inet6_addr_add+0x12f/0xa40
[ 9126.470110][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9126.470110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.470110][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.470110][   T10]      netlink_unicast+0x449/0x710
[ 9126.470110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.470110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.470110][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.470110][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.470110][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.470110][   T10] 
[ 9126.472326][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9126.472326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9126.472326][   T10]      ipv6_find_idev+0x102/0x170
[ 9126.472326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9126.472326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.472326][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.472326][   T10]      netlink_unicast+0x449/0x710
[ 9126.472326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.472326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.472326][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.472326][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.472326][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.472326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.472326][   T10] 
[ 9126.474079][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9126.474079][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9126.474079][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9126.474079][   T10]      ipv6_find_idev+0x102/0x170
[ 9126.474079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9126.474079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9126.474079][   T10]      netlink_rcv_skb+0x130/0x360
[ 9126.474079][   T10]      netlink_unicast+0x449/0x710
[ 9126.474079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9126.474079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9126.474079][   T10]      ___sys_sendmsg+0xee/0x170
[ 9126.474079][   T10]      __sys_sendmsg+0xcd/0x170
[ 9126.474079][   T10]      do_syscall_64+0xc6/0x1e0
[ 9126.474079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9126.474079][   T10] 
[ 9127.466792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9127.467321][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9127.467321][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9127.467321][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9127.467321][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9127.467321][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9127.467321][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9127.467321][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9127.467321][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9127.467321][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9127.467321][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9127.467321][ T1078]      netlink_unicast+0x449/0x710
[ 9127.467321][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9127.467321][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9127.467321][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9127.467321][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9127.467321][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9127.467321][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9127.467321][ T1078] 
[ 9127.470553][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9127.470553][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9127.470553][ T1078]      ipv6_find_idev+0x102/0x170
[ 9127.470553][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9127.470553][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9127.470553][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9127.470553][ T1078]      netlink_unicast+0x449/0x710
[ 9127.470553][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9127.470553][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9127.470553][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9127.470553][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9127.470553][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9127.470553][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9127.470553][ T1078] 
[ 9127.472329][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9127.472329][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9127.472329][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9127.472329][ T1078]      ipv6_find_idev+0x102/0x170
[ 9127.472329][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9127.472329][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9127.472329][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9127.472329][ T1078]      netlink_unicast+0x449/0x710
[ 9127.472329][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9127.472329][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9127.472329][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9127.472329][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9127.472329][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9127.472329][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9127.472329][ T1078] 
[ 9136.714862][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9136.715635][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9136.715635][   T10]      netdev_get_by_index+0x5e/0x80
[ 9136.715635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9136.715635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9136.715635][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9136.715635][   T10]      ipv6_add_addr+0x411/0x2000
[ 9136.715635][   T10]      inet6_addr_add+0x30e/0xa40
[ 9136.715635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9136.715635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.715635][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.715635][   T10]      netlink_unicast+0x449/0x710
[ 9136.715635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.715635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.715635][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.715635][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.715635][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.715635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.715635][   T10] 
[ 9136.717918][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9136.717918][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9136.717918][   T10]      ipv6_find_idev+0x102/0x170
[ 9136.717918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9136.717918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.717918][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.717918][   T10]      netlink_unicast+0x449/0x710
[ 9136.717918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.717918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.717918][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.717918][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.717918][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.717918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.717918][   T10] 
[ 9136.719633][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9136.719633][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9136.719633][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9136.719633][   T10]      ipv6_find_idev+0x102/0x170
[ 9136.719633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9136.719633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.719633][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.719633][   T10]      netlink_unicast+0x449/0x710
[ 9136.719633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.719633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.719633][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.719633][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.719633][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.719633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.719633][   T10] 
[ 9136.721655][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9136.721955][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9136.721955][   T10]      netdev_get_by_index+0x5e/0x80
[ 9136.721955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9136.721955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9136.721955][   T10]      ip6_route_add+0x1c/0x140
[ 9136.721955][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9136.721955][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9136.721955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9136.721955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.721955][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.721955][   T10]      netlink_unicast+0x449/0x710
[ 9136.721955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.721955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.721955][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.721955][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.721955][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.721955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.721955][   T10] 
[ 9136.724221][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9136.724221][   T10]      netdev_get_by_index+0x5e/0x80
[ 9136.724221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9136.724221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9136.724221][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9136.724221][   T10]      ipv6_add_addr+0x411/0x2000
[ 9136.724221][   T10]      inet6_addr_add+0x30e/0xa40
[ 9136.724221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9136.724221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.724221][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.724221][   T10]      netlink_unicast+0x449/0x710
[ 9136.724221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.724221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.724221][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.724221][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.724221][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.724221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.724221][   T10] 
[ 9136.726452][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9136.726452][   T10]      netdev_get_by_index+0x5e/0x80
[ 9136.726452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9136.726452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9136.726452][   T10]      ip6_route_add+0x1c/0x140
[ 9136.726452][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9136.726452][   T10]      addrconf_add_dev+0xe2/0x170
[ 9136.726452][   T10]      inet6_addr_add+0x12f/0xa40
[ 9136.726452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9136.726452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.726452][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.726452][   T10]      netlink_unicast+0x449/0x710
[ 9136.726452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.726452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.726452][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.726452][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.726452][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.726452][   T10] 
[ 9136.728645][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9136.728645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9136.728645][   T10]      ipv6_find_idev+0x102/0x170
[ 9136.728645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9136.728645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.728645][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.728645][   T10]      netlink_unicast+0x449/0x710
[ 9136.728645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.728645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.728645][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.728645][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.728645][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.728645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.728645][   T10] 
[ 9136.730324][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9136.730324][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9136.730324][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9136.730324][   T10]      ipv6_find_idev+0x102/0x170
[ 9136.730324][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9136.730324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9136.730324][   T10]      netlink_rcv_skb+0x130/0x360
[ 9136.730324][   T10]      netlink_unicast+0x449/0x710
[ 9136.730324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9136.730324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9136.730324][   T10]      ___sys_sendmsg+0xee/0x170
[ 9136.730324][   T10]      __sys_sendmsg+0xcd/0x170
[ 9136.730324][   T10]      do_syscall_64+0xc6/0x1e0
[ 9136.730324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9136.730324][   T10] 
[ 9137.714805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9137.715320][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9137.715320][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9137.715320][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9137.715320][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9137.715320][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9137.715320][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9137.715320][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9137.715320][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9137.715320][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9137.715320][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9137.715320][ T1078]      netlink_unicast+0x449/0x710
[ 9137.715320][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9137.715320][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9137.715320][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9137.715320][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9137.715320][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9137.715320][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9137.715320][ T1078] 
[ 9137.717622][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9137.717622][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9137.717622][ T1078]      ipv6_find_idev+0x102/0x170
[ 9137.717622][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9137.717622][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9137.717622][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9137.717622][ T1078]      netlink_unicast+0x449/0x710
[ 9137.717622][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9137.717622][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9137.717622][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9137.717622][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9137.717622][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9137.717622][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9137.717622][ T1078] 
[ 9137.719388][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9137.719388][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9137.719388][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9137.719388][ T1078]      ipv6_find_idev+0x102/0x170
[ 9137.719388][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9137.719388][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9137.719388][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9137.719388][ T1078]      netlink_unicast+0x449/0x710
[ 9137.719388][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9137.719388][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9137.719388][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9137.719388][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9137.719388][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9137.719388][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9137.719388][ T1078] 
[ 9146.762880][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9146.763521][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9146.763521][   T10]      netdev_get_by_index+0x5e/0x80
[ 9146.763521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9146.763521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9146.763521][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9146.763521][   T10]      ipv6_add_addr+0x411/0x2000
[ 9146.763521][   T10]      inet6_addr_add+0x30e/0xa40
[ 9146.763521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9146.763521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.763521][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.763521][   T10]      netlink_unicast+0x449/0x710
[ 9146.763521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.763521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.763521][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.763521][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.763521][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.763521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.763521][   T10] 
[ 9146.765733][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9146.765733][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9146.765733][   T10]      ipv6_find_idev+0x102/0x170
[ 9146.765733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9146.765733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.765733][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.765733][   T10]      netlink_unicast+0x449/0x710
[ 9146.765733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.765733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.765733][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.765733][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.765733][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.765733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.765733][   T10] 
[ 9146.767441][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9146.767441][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9146.767441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9146.767441][   T10]      ipv6_find_idev+0x102/0x170
[ 9146.767441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9146.767441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.767441][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.767441][   T10]      netlink_unicast+0x449/0x710
[ 9146.767441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.767441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.767441][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.767441][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.767441][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.767441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.767441][   T10] 
[ 9146.769330][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9146.769583][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9146.769583][   T10]      netdev_get_by_index+0x5e/0x80
[ 9146.769583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9146.769583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9146.769583][   T10]      ip6_route_add+0x1c/0x140
[ 9146.769583][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9146.769583][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9146.769583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9146.769583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.769583][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.769583][   T10]      netlink_unicast+0x449/0x710
[ 9146.769583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.769583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.769583][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.769583][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.769583][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.769583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.769583][   T10] 
[ 9146.771859][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9146.771859][   T10]      netdev_get_by_index+0x5e/0x80
[ 9146.771859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9146.771859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9146.771859][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9146.771859][   T10]      ipv6_add_addr+0x411/0x2000
[ 9146.771859][   T10]      inet6_addr_add+0x30e/0xa40
[ 9146.771859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9146.771859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.771859][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.771859][   T10]      netlink_unicast+0x449/0x710
[ 9146.771859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.771859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.771859][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.771859][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.771859][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.771859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.771859][   T10] 
[ 9146.774107][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9146.774107][   T10]      netdev_get_by_index+0x5e/0x80
[ 9146.774107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9146.774107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9146.774107][   T10]      ip6_route_add+0x1c/0x140
[ 9146.774107][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9146.774107][   T10]      addrconf_add_dev+0xe2/0x170
[ 9146.774107][   T10]      inet6_addr_add+0x12f/0xa40
[ 9146.774107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9146.774107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.774107][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.774107][   T10]      netlink_unicast+0x449/0x710
[ 9146.774107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.774107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.774107][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.774107][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.774107][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.774107][   T10] 
[ 9146.776319][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9146.776319][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9146.776319][   T10]      ipv6_find_idev+0x102/0x170
[ 9146.776319][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9146.776319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.776319][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.776319][   T10]      netlink_unicast+0x449/0x710
[ 9146.776319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.776319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.776319][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.776319][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.776319][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.776319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.776319][   T10] 
[ 9146.777983][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9146.777983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9146.777983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9146.777983][   T10]      ipv6_find_idev+0x102/0x170
[ 9146.777983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9146.777983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9146.777983][   T10]      netlink_rcv_skb+0x130/0x360
[ 9146.777983][   T10]      netlink_unicast+0x449/0x710
[ 9146.777983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9146.777983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9146.777983][   T10]      ___sys_sendmsg+0xee/0x170
[ 9146.777983][   T10]      __sys_sendmsg+0xcd/0x170
[ 9146.777983][   T10]      do_syscall_64+0xc6/0x1e0
[ 9146.777983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9146.777983][   T10] 
[ 9147.962791][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9147.963263][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9147.963263][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9147.963263][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9147.963263][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9147.963263][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9147.963263][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9147.963263][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9147.963263][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9147.963263][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9147.963263][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9147.963263][ T1078]      netlink_unicast+0x449/0x710
[ 9147.963263][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9147.963263][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9147.963263][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9147.963263][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9147.963263][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9147.963263][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9147.963263][ T1078] 
[ 9147.965838][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9147.965838][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9147.965838][ T1078]      ipv6_find_idev+0x102/0x170
[ 9147.965838][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9147.965838][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9147.965838][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9147.965838][ T1078]      netlink_unicast+0x449/0x710
[ 9147.965838][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9147.965838][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9147.965838][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9147.965838][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9147.965838][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9147.965838][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9147.965838][ T1078] 
[ 9147.967724][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9147.967724][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9147.967724][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9147.967724][ T1078]      ipv6_find_idev+0x102/0x170
[ 9147.967724][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9147.967724][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9147.967724][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9147.967724][ T1078]      netlink_unicast+0x449/0x710
[ 9147.967724][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9147.967724][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9147.967724][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9147.967724][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9147.967724][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9147.967724][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9147.967724][ T1078] 
[ 9157.034802][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9157.035268][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9157.035268][   T10]      netdev_get_by_index+0x5e/0x80
[ 9157.035268][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9157.035268][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9157.035268][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9157.035268][   T10]      ipv6_add_addr+0x411/0x2000
[ 9157.035268][   T10]      inet6_addr_add+0x30e/0xa40
[ 9157.035268][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9157.035268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.035268][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.035268][   T10]      netlink_unicast+0x449/0x710
[ 9157.035268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.035268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.035268][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.035268][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.035268][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.035268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.035268][   T10] 
[ 9157.037520][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9157.037520][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9157.037520][   T10]      ipv6_find_idev+0x102/0x170
[ 9157.037520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9157.037520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.037520][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.037520][   T10]      netlink_unicast+0x449/0x710
[ 9157.037520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.037520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.037520][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.037520][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.037520][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.037520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.037520][   T10] 
[ 9157.039313][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9157.039313][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9157.039313][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9157.039313][   T10]      ipv6_find_idev+0x102/0x170
[ 9157.039313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9157.039313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.039313][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.039313][   T10]      netlink_unicast+0x449/0x710
[ 9157.039313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.039313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.039313][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.039313][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.039313][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.039313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.039313][   T10] 
[ 9157.041246][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9157.041533][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9157.041533][   T10]      netdev_get_by_index+0x5e/0x80
[ 9157.041533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9157.041533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9157.041533][   T10]      ip6_route_add+0x1c/0x140
[ 9157.041533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9157.041533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9157.041533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9157.041533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.041533][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.041533][   T10]      netlink_unicast+0x449/0x710
[ 9157.041533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.041533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.041533][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.041533][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.041533][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.041533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.041533][   T10] 
[ 9157.043828][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9157.043828][   T10]      netdev_get_by_index+0x5e/0x80
[ 9157.043828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9157.043828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9157.043828][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9157.043828][   T10]      ipv6_add_addr+0x411/0x2000
[ 9157.043828][   T10]      inet6_addr_add+0x30e/0xa40
[ 9157.043828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9157.043828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.043828][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.043828][   T10]      netlink_unicast+0x449/0x710
[ 9157.043828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.043828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.043828][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.043828][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.043828][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.043828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.043828][   T10] 
[ 9157.046128][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9157.046128][   T10]      netdev_get_by_index+0x5e/0x80
[ 9157.046128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9157.046128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9157.046128][   T10]      ip6_route_add+0x1c/0x140
[ 9157.046128][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9157.046128][   T10]      addrconf_add_dev+0xe2/0x170
[ 9157.046128][   T10]      inet6_addr_add+0x12f/0xa40
[ 9157.046128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9157.046128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.046128][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.046128][   T10]      netlink_unicast+0x449/0x710
[ 9157.046128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.046128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.046128][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.046128][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.046128][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.046128][   T10] 
[ 9157.048328][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9157.048328][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9157.048328][   T10]      ipv6_find_idev+0x102/0x170
[ 9157.048328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9157.048328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.048328][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.048328][   T10]      netlink_unicast+0x449/0x710
[ 9157.048328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.048328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.048328][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.048328][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.048328][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.048328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.048328][   T10] 
[ 9157.049984][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9157.049984][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9157.049984][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9157.049984][   T10]      ipv6_find_idev+0x102/0x170
[ 9157.049984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9157.049984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9157.049984][   T10]      netlink_rcv_skb+0x130/0x360
[ 9157.049984][   T10]      netlink_unicast+0x449/0x710
[ 9157.049984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9157.049984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9157.049984][   T10]      ___sys_sendmsg+0xee/0x170
[ 9157.049984][   T10]      __sys_sendmsg+0xcd/0x170
[ 9157.049984][   T10]      do_syscall_64+0xc6/0x1e0
[ 9157.049984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9157.049984][   T10] 
[ 9158.210787][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9158.211259][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9158.211259][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9158.211259][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9158.211259][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9158.211259][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9158.211259][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9158.211259][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9158.211259][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9158.211259][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9158.211259][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9158.211259][ T1078]      netlink_unicast+0x449/0x710
[ 9158.211259][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9158.211259][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9158.211259][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9158.211259][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9158.211259][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9158.211259][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9158.211259][ T1078] 
[ 9158.213734][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9158.213734][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9158.213734][ T1078]      ipv6_find_idev+0x102/0x170
[ 9158.213734][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9158.213734][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9158.213734][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9158.213734][ T1078]      netlink_unicast+0x449/0x710
[ 9158.213734][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9158.213734][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9158.213734][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9158.213734][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9158.213734][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9158.213734][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9158.213734][ T1078] 
[ 9158.215616][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9158.215616][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9158.215616][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9158.215616][ T1078]      ipv6_find_idev+0x102/0x170
[ 9158.215616][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9158.215616][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9158.215616][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9158.215616][ T1078]      netlink_unicast+0x449/0x710
[ 9158.215616][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9158.215616][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9158.215616][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9158.215616][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9158.215616][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9158.215616][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9158.215616][ T1078] 
[ 9167.306805][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9167.307246][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9167.307246][   T10]      netdev_get_by_index+0x5e/0x80
[ 9167.307246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9167.307246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9167.307246][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9167.307246][   T10]      ipv6_add_addr+0x411/0x2000
[ 9167.307246][   T10]      inet6_addr_add+0x30e/0xa40
[ 9167.307246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9167.307246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.307246][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.307246][   T10]      netlink_unicast+0x449/0x710
[ 9167.307246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.307246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.307246][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.307246][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.307246][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.307246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.307246][   T10] 
[ 9167.309566][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9167.309566][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9167.309566][   T10]      ipv6_find_idev+0x102/0x170
[ 9167.309566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9167.309566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.309566][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.309566][   T10]      netlink_unicast+0x449/0x710
[ 9167.309566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.309566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.309566][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.309566][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.309566][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.309566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.309566][   T10] 
[ 9167.311312][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9167.311312][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9167.311312][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9167.311312][   T10]      ipv6_find_idev+0x102/0x170
[ 9167.311312][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9167.311312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.311312][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.311312][   T10]      netlink_unicast+0x449/0x710
[ 9167.311312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.311312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.311312][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.311312][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.311312][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.311312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.311312][   T10] 
[ 9167.313261][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9167.313541][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9167.313541][   T10]      netdev_get_by_index+0x5e/0x80
[ 9167.313541][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9167.313541][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9167.313541][   T10]      ip6_route_add+0x1c/0x140
[ 9167.313541][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9167.313541][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9167.313541][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9167.313541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.313541][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.313541][   T10]      netlink_unicast+0x449/0x710
[ 9167.313541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.313541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.313541][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.313541][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.313541][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.313541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.313541][   T10] 
[ 9167.315904][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9167.315904][   T10]      netdev_get_by_index+0x5e/0x80
[ 9167.315904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9167.315904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9167.315904][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9167.315904][   T10]      ipv6_add_addr+0x411/0x2000
[ 9167.315904][   T10]      inet6_addr_add+0x30e/0xa40
[ 9167.315904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9167.315904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.315904][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.315904][   T10]      netlink_unicast+0x449/0x710
[ 9167.315904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.315904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.315904][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.315904][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.315904][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.315904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.315904][   T10] 
[ 9167.318190][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9167.318190][   T10]      netdev_get_by_index+0x5e/0x80
[ 9167.318190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9167.318190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9167.318190][   T10]      ip6_route_add+0x1c/0x140
[ 9167.318190][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9167.318190][   T10]      addrconf_add_dev+0xe2/0x170
[ 9167.318190][   T10]      inet6_addr_add+0x12f/0xa40
[ 9167.318190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9167.318190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.318190][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.318190][   T10]      netlink_unicast+0x449/0x710
[ 9167.318190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.318190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.318190][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.318190][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.318190][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.318190][   T10] 
[ 9167.320377][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9167.320377][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9167.320377][   T10]      ipv6_find_idev+0x102/0x170
[ 9167.320377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9167.320377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.320377][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.320377][   T10]      netlink_unicast+0x449/0x710
[ 9167.320377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.320377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.320377][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.320377][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.320377][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.320377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.320377][   T10] 
[ 9167.322132][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9167.322132][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9167.322132][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9167.322132][   T10]      ipv6_find_idev+0x102/0x170
[ 9167.322132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9167.322132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9167.322132][   T10]      netlink_rcv_skb+0x130/0x360
[ 9167.322132][   T10]      netlink_unicast+0x449/0x710
[ 9167.322132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9167.322132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9167.322132][   T10]      ___sys_sendmsg+0xee/0x170
[ 9167.322132][   T10]      __sys_sendmsg+0xcd/0x170
[ 9167.322132][   T10]      do_syscall_64+0xc6/0x1e0
[ 9167.322132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9167.322132][   T10] 
[ 9168.458734][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9168.459224][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9168.459224][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9168.459224][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9168.459224][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9168.459224][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9168.459224][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9168.459224][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9168.459224][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9168.459224][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9168.459224][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9168.459224][ T1078]      netlink_unicast+0x449/0x710
[ 9168.459224][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9168.459224][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9168.459224][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9168.459224][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9168.459224][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9168.459224][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9168.459224][ T1078] 
[ 9168.461719][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9168.461719][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9168.461719][ T1078]      ipv6_find_idev+0x102/0x170
[ 9168.461719][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9168.461719][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9168.461719][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9168.461719][ T1078]      netlink_unicast+0x449/0x710
[ 9168.461719][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9168.461719][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9168.461719][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9168.461719][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9168.461719][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9168.461719][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9168.461719][ T1078] 
[ 9168.463629][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9168.463629][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9168.463629][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9168.463629][ T1078]      ipv6_find_idev+0x102/0x170
[ 9168.463629][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9168.463629][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9168.463629][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9168.463629][ T1078]      netlink_unicast+0x449/0x710
[ 9168.463629][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9168.463629][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9168.463629][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9168.463629][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9168.463629][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9168.463629][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9168.463629][ T1078] 
[ 9177.578860][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9177.579496][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9177.579496][   T10]      netdev_get_by_index+0x5e/0x80
[ 9177.579496][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9177.579496][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9177.579496][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9177.579496][   T10]      ipv6_add_addr+0x411/0x2000
[ 9177.579496][   T10]      inet6_addr_add+0x30e/0xa40
[ 9177.579496][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9177.579496][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.579496][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.579496][   T10]      netlink_unicast+0x449/0x710
[ 9177.579496][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.579496][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.579496][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.579496][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.579496][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.579496][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.579496][   T10] 
[ 9177.581816][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9177.581816][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9177.581816][   T10]      ipv6_find_idev+0x102/0x170
[ 9177.581816][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9177.581816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.581816][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.581816][   T10]      netlink_unicast+0x449/0x710
[ 9177.581816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.581816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.581816][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.581816][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.581816][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.581816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.581816][   T10] 
[ 9177.583541][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9177.583541][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9177.583541][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9177.583541][   T10]      ipv6_find_idev+0x102/0x170
[ 9177.583541][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9177.583541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.583541][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.583541][   T10]      netlink_unicast+0x449/0x710
[ 9177.583541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.583541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.583541][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.583541][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.583541][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.583541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.583541][   T10] 
[ 9177.585459][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9177.585719][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9177.585719][   T10]      netdev_get_by_index+0x5e/0x80
[ 9177.585719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9177.585719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9177.585719][   T10]      ip6_route_add+0x1c/0x140
[ 9177.585719][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9177.585719][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9177.585719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9177.585719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.585719][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.585719][   T10]      netlink_unicast+0x449/0x710
[ 9177.585719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.585719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.585719][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.585719][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.585719][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.585719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.585719][   T10] 
[ 9177.587939][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9177.587939][   T10]      netdev_get_by_index+0x5e/0x80
[ 9177.587939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9177.587939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9177.587939][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9177.587939][   T10]      ipv6_add_addr+0x411/0x2000
[ 9177.587939][   T10]      inet6_addr_add+0x30e/0xa40
[ 9177.587939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9177.587939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.587939][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.587939][   T10]      netlink_unicast+0x449/0x710
[ 9177.587939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.587939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.587939][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.587939][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.587939][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.587939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.587939][   T10] 
[ 9177.590234][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9177.590234][   T10]      netdev_get_by_index+0x5e/0x80
[ 9177.590234][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9177.590234][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9177.590234][   T10]      ip6_route_add+0x1c/0x140
[ 9177.590234][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9177.590234][   T10]      addrconf_add_dev+0xe2/0x170
[ 9177.590234][   T10]      inet6_addr_add+0x12f/0xa40
[ 9177.590234][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9177.590234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.590234][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.590234][   T10]      netlink_unicast+0x449/0x710
[ 9177.590234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.590234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.590234][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.590234][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.590234][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.590234][   T10] 
[ 9177.592523][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9177.592523][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9177.592523][   T10]      ipv6_find_idev+0x102/0x170
[ 9177.592523][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9177.592523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.592523][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.592523][   T10]      netlink_unicast+0x449/0x710
[ 9177.592523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.592523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.592523][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.592523][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.592523][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.592523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.592523][   T10] 
[ 9177.594355][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9177.594355][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9177.594355][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9177.594355][   T10]      ipv6_find_idev+0x102/0x170
[ 9177.594355][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9177.594355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9177.594355][   T10]      netlink_rcv_skb+0x130/0x360
[ 9177.594355][   T10]      netlink_unicast+0x449/0x710
[ 9177.594355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9177.594355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9177.594355][   T10]      ___sys_sendmsg+0xee/0x170
[ 9177.594355][   T10]      __sys_sendmsg+0xcd/0x170
[ 9177.594355][   T10]      do_syscall_64+0xc6/0x1e0
[ 9177.594355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9177.594355][   T10] 
[ 9178.706795][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9178.707300][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9178.707300][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9178.707300][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9178.707300][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9178.707300][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9178.707300][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9178.707300][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9178.707300][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9178.707300][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9178.707300][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9178.707300][ T1078]      netlink_unicast+0x449/0x710
[ 9178.707300][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9178.707300][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9178.707300][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9178.707300][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9178.707300][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9178.707300][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9178.707300][ T1078] 
[ 9178.709614][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9178.709614][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9178.709614][ T1078]      ipv6_find_idev+0x102/0x170
[ 9178.709614][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9178.709614][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9178.709614][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9178.709614][ T1078]      netlink_unicast+0x449/0x710
[ 9178.709614][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9178.709614][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9178.709614][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9178.709614][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9178.709614][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9178.709614][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9178.709614][ T1078] 
[ 9178.711376][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9178.711376][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9178.711376][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9178.711376][ T1078]      ipv6_find_idev+0x102/0x170
[ 9178.711376][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9178.711376][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9178.711376][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9178.711376][ T1078]      netlink_unicast+0x449/0x710
[ 9178.711376][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9178.711376][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9178.711376][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9178.711376][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9178.711376][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9178.711376][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9178.711376][ T1078] 
[ 9187.850818][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9187.851294][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9187.851294][   T10]      netdev_get_by_index+0x5e/0x80
[ 9187.851294][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9187.851294][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9187.851294][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9187.851294][   T10]      ipv6_add_addr+0x411/0x2000
[ 9187.851294][   T10]      inet6_addr_add+0x30e/0xa40
[ 9187.851294][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9187.851294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.851294][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.851294][   T10]      netlink_unicast+0x449/0x710
[ 9187.851294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.851294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.851294][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.851294][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.851294][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.851294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.851294][   T10] 
[ 9187.853338][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9187.853338][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9187.853338][   T10]      ipv6_find_idev+0x102/0x170
[ 9187.853338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9187.853338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.853338][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.853338][   T10]      netlink_unicast+0x449/0x710
[ 9187.853338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.853338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.853338][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.853338][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.853338][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.853338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.853338][   T10] 
[ 9187.854918][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9187.854918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9187.854918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9187.854918][   T10]      ipv6_find_idev+0x102/0x170
[ 9187.854918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9187.854918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.854918][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.854918][   T10]      netlink_unicast+0x449/0x710
[ 9187.854918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.854918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.854918][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.854918][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.854918][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.854918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.854918][   T10] 
[ 9187.856661][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9187.856929][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9187.856929][   T10]      netdev_get_by_index+0x5e/0x80
[ 9187.856929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9187.856929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9187.856929][   T10]      ip6_route_add+0x1c/0x140
[ 9187.856929][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9187.856929][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9187.856929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9187.856929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.856929][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.856929][   T10]      netlink_unicast+0x449/0x710
[ 9187.856929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.856929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.856929][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.856929][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.856929][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.856929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.856929][   T10] 
[ 9187.858970][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9187.858970][   T10]      netdev_get_by_index+0x5e/0x80
[ 9187.858970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9187.858970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9187.858970][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9187.858970][   T10]      ipv6_add_addr+0x411/0x2000
[ 9187.858970][   T10]      inet6_addr_add+0x30e/0xa40
[ 9187.858970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9187.858970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.858970][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.858970][   T10]      netlink_unicast+0x449/0x710
[ 9187.858970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.858970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.858970][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.858970][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.858970][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.858970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.858970][   T10] 
[ 9187.860987][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9187.860987][   T10]      netdev_get_by_index+0x5e/0x80
[ 9187.860987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9187.860987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9187.860987][   T10]      ip6_route_add+0x1c/0x140
[ 9187.860987][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9187.860987][   T10]      addrconf_add_dev+0xe2/0x170
[ 9187.860987][   T10]      inet6_addr_add+0x12f/0xa40
[ 9187.860987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9187.860987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.860987][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.860987][   T10]      netlink_unicast+0x449/0x710
[ 9187.860987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.860987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.860987][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.860987][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.860987][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.860987][   T10] 
[ 9187.862977][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9187.862977][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9187.862977][   T10]      ipv6_find_idev+0x102/0x170
[ 9187.862977][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9187.862977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.862977][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.862977][   T10]      netlink_unicast+0x449/0x710
[ 9187.862977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.862977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.862977][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.862977][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.862977][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.862977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.862977][   T10] 
[ 9187.864527][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9187.864527][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9187.864527][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9187.864527][   T10]      ipv6_find_idev+0x102/0x170
[ 9187.864527][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9187.864527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9187.864527][   T10]      netlink_rcv_skb+0x130/0x360
[ 9187.864527][   T10]      netlink_unicast+0x449/0x710
[ 9187.864527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9187.864527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9187.864527][   T10]      ___sys_sendmsg+0xee/0x170
[ 9187.864527][   T10]      __sys_sendmsg+0xcd/0x170
[ 9187.864527][   T10]      do_syscall_64+0xc6/0x1e0
[ 9187.864527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9187.864527][   T10] 
[ 9188.714792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9188.715315][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9188.715315][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9188.715315][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9188.715315][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9188.715315][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9188.715315][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9188.715315][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9188.715315][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9188.715315][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9188.715315][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9188.715315][ T1078]      netlink_unicast+0x449/0x710
[ 9188.715315][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9188.715315][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9188.715315][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9188.715315][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9188.715315][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9188.715315][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9188.715315][ T1078] 
[ 9188.717631][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9188.717631][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9188.717631][ T1078]      ipv6_find_idev+0x102/0x170
[ 9188.717631][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9188.717631][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9188.717631][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9188.717631][ T1078]      netlink_unicast+0x449/0x710
[ 9188.717631][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9188.717631][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9188.717631][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9188.717631][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9188.717631][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9188.717631][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9188.717631][ T1078] 
[ 9188.719543][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9188.719543][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9188.719543][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9188.719543][ T1078]      ipv6_find_idev+0x102/0x170
[ 9188.719543][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9188.719543][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9188.719543][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9188.719543][ T1078]      netlink_unicast+0x449/0x710
[ 9188.719543][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9188.719543][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9188.719543][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9188.719543][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9188.719543][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9188.719543][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9188.719543][ T1078] 
[ 9198.114805][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9198.115280][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9198.115280][   T10]      netdev_get_by_index+0x5e/0x80
[ 9198.115280][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9198.115280][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9198.115280][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9198.115280][   T10]      ipv6_add_addr+0x411/0x2000
[ 9198.115280][   T10]      inet6_addr_add+0x30e/0xa40
[ 9198.115280][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9198.115280][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.115280][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.115280][   T10]      netlink_unicast+0x449/0x710
[ 9198.115280][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.115280][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.115280][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.115280][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.115280][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.115280][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.115280][   T10] 
[ 9198.117341][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9198.117341][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9198.117341][   T10]      ipv6_find_idev+0x102/0x170
[ 9198.117341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9198.117341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.117341][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.117341][   T10]      netlink_unicast+0x449/0x710
[ 9198.117341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.117341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.117341][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.117341][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.117341][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.117341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.117341][   T10] 
[ 9198.118929][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9198.118929][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9198.118929][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9198.118929][   T10]      ipv6_find_idev+0x102/0x170
[ 9198.118929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9198.118929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.118929][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.118929][   T10]      netlink_unicast+0x449/0x710
[ 9198.118929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.118929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.118929][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.118929][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.118929][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.118929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.118929][   T10] 
[ 9198.120649][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9198.120930][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9198.120930][   T10]      netdev_get_by_index+0x5e/0x80
[ 9198.120930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9198.120930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9198.120930][   T10]      ip6_route_add+0x1c/0x140
[ 9198.120930][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9198.120930][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9198.120930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9198.120930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.120930][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.120930][   T10]      netlink_unicast+0x449/0x710
[ 9198.120930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.120930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.120930][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.120930][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.120930][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.120930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.120930][   T10] 
[ 9198.122971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9198.122971][   T10]      netdev_get_by_index+0x5e/0x80
[ 9198.122971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9198.122971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9198.122971][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9198.122971][   T10]      ipv6_add_addr+0x411/0x2000
[ 9198.122971][   T10]      inet6_addr_add+0x30e/0xa40
[ 9198.122971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9198.122971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.122971][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.122971][   T10]      netlink_unicast+0x449/0x710
[ 9198.122971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.122971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.122971][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.122971][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.122971][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.122971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.122971][   T10] 
[ 9198.124998][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9198.124998][   T10]      netdev_get_by_index+0x5e/0x80
[ 9198.124998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9198.124998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9198.124998][   T10]      ip6_route_add+0x1c/0x140
[ 9198.124998][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9198.124998][   T10]      addrconf_add_dev+0xe2/0x170
[ 9198.124998][   T10]      inet6_addr_add+0x12f/0xa40
[ 9198.124998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9198.124998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.124998][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.124998][   T10]      netlink_unicast+0x449/0x710
[ 9198.124998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.124998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.124998][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.124998][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.124998][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.124998][   T10] 
[ 9198.126985][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9198.126985][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9198.126985][   T10]      ipv6_find_idev+0x102/0x170
[ 9198.126985][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9198.126985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.126985][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.126985][   T10]      netlink_unicast+0x449/0x710
[ 9198.126985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.126985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.126985][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.126985][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.126985][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.126985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.126985][   T10] 
[ 9198.128556][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9198.128556][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9198.128556][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9198.128556][   T10]      ipv6_find_idev+0x102/0x170
[ 9198.128556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9198.128556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.128556][   T10]      netlink_rcv_skb+0x130/0x360
[ 9198.128556][   T10]      netlink_unicast+0x449/0x710
[ 9198.128556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9198.128556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.128556][   T10]      ___sys_sendmsg+0xee/0x170
[ 9198.128556][   T10]      __sys_sendmsg+0xcd/0x170
[ 9198.128556][   T10]      do_syscall_64+0xc6/0x1e0
[ 9198.128556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.128556][   T10] 
[ 9198.962805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9198.963346][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9198.963346][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9198.963346][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9198.963346][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9198.963346][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9198.963346][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9198.963346][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9198.963346][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9198.963346][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.963346][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9198.963346][ T1078]      netlink_unicast+0x449/0x710
[ 9198.963346][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9198.963346][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.963346][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9198.963346][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9198.963346][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9198.963346][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.963346][ T1078] 
[ 9198.965664][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9198.965664][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9198.965664][ T1078]      ipv6_find_idev+0x102/0x170
[ 9198.965664][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9198.965664][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.965664][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9198.965664][ T1078]      netlink_unicast+0x449/0x710
[ 9198.965664][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9198.965664][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.965664][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9198.965664][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9198.965664][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9198.965664][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.965664][ T1078] 
[ 9198.967433][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9198.967433][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9198.967433][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9198.967433][ T1078]      ipv6_find_idev+0x102/0x170
[ 9198.967433][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9198.967433][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9198.967433][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9198.967433][ T1078]      netlink_unicast+0x449/0x710
[ 9198.967433][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9198.967433][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9198.967433][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9198.967433][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9198.967433][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9198.967433][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9198.967433][ T1078] 
[ 9208.378834][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9208.379316][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9208.379316][   T10]      netdev_get_by_index+0x5e/0x80
[ 9208.379316][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9208.379316][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9208.379316][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9208.379316][   T10]      ipv6_add_addr+0x411/0x2000
[ 9208.379316][   T10]      inet6_addr_add+0x30e/0xa40
[ 9208.379316][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9208.379316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.379316][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.379316][   T10]      netlink_unicast+0x449/0x710
[ 9208.379316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.379316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.379316][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.379316][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.379316][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.379316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.379316][   T10] 
[ 9208.381389][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9208.381389][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9208.381389][   T10]      ipv6_find_idev+0x102/0x170
[ 9208.381389][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9208.381389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.381389][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.381389][   T10]      netlink_unicast+0x449/0x710
[ 9208.381389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.381389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.381389][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.381389][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.381389][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.381389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.381389][   T10] 
[ 9208.382952][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9208.382952][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9208.382952][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9208.382952][   T10]      ipv6_find_idev+0x102/0x170
[ 9208.382952][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9208.382952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.382952][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.382952][   T10]      netlink_unicast+0x449/0x710
[ 9208.382952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.382952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.382952][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.382952][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.382952][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.382952][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.382952][   T10] 
[ 9208.384671][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9208.384948][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9208.384948][   T10]      netdev_get_by_index+0x5e/0x80
[ 9208.384948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9208.384948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9208.384948][   T10]      ip6_route_add+0x1c/0x140
[ 9208.384948][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9208.384948][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9208.384948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9208.384948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.384948][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.384948][   T10]      netlink_unicast+0x449/0x710
[ 9208.384948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.384948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.384948][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.384948][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.384948][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.384948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.384948][   T10] 
[ 9208.386980][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9208.386980][   T10]      netdev_get_by_index+0x5e/0x80
[ 9208.386980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9208.386980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9208.386980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9208.386980][   T10]      ipv6_add_addr+0x411/0x2000
[ 9208.386980][   T10]      inet6_addr_add+0x30e/0xa40
[ 9208.386980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9208.386980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.386980][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.386980][   T10]      netlink_unicast+0x449/0x710
[ 9208.386980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.386980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.386980][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.386980][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.386980][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.386980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.386980][   T10] 
[ 9208.389002][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9208.389002][   T10]      netdev_get_by_index+0x5e/0x80
[ 9208.389002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9208.389002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9208.389002][   T10]      ip6_route_add+0x1c/0x140
[ 9208.389002][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9208.389002][   T10]      addrconf_add_dev+0xe2/0x170
[ 9208.389002][   T10]      inet6_addr_add+0x12f/0xa40
[ 9208.389002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9208.389002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.389002][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.389002][   T10]      netlink_unicast+0x449/0x710
[ 9208.389002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.389002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.389002][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.389002][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.389002][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.389002][   T10] 
[ 9208.390993][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9208.390993][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9208.390993][   T10]      ipv6_find_idev+0x102/0x170
[ 9208.390993][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9208.390993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.390993][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.390993][   T10]      netlink_unicast+0x449/0x710
[ 9208.390993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.390993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.390993][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.390993][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.390993][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.390993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.390993][   T10] 
[ 9208.392568][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9208.392568][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9208.392568][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9208.392568][   T10]      ipv6_find_idev+0x102/0x170
[ 9208.392568][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9208.392568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9208.392568][   T10]      netlink_rcv_skb+0x130/0x360
[ 9208.392568][   T10]      netlink_unicast+0x449/0x710
[ 9208.392568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9208.392568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9208.392568][   T10]      ___sys_sendmsg+0xee/0x170
[ 9208.392568][   T10]      __sys_sendmsg+0xcd/0x170
[ 9208.392568][   T10]      do_syscall_64+0xc6/0x1e0
[ 9208.392568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9208.392568][   T10] 
[ 9209.210796][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9209.211299][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9209.211299][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9209.211299][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9209.211299][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9209.211299][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9209.211299][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9209.211299][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9209.211299][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9209.211299][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9209.211299][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9209.211299][ T1078]      netlink_unicast+0x449/0x710
[ 9209.211299][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9209.211299][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9209.211299][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9209.211299][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9209.211299][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9209.211299][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9209.211299][ T1078] 
[ 9209.213613][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9209.213613][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9209.213613][ T1078]      ipv6_find_idev+0x102/0x170
[ 9209.213613][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9209.213613][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9209.213613][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9209.213613][ T1078]      netlink_unicast+0x449/0x710
[ 9209.213613][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9209.213613][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9209.213613][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9209.213613][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9209.213613][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9209.213613][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9209.213613][ T1078] 
[ 9209.215384][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9209.215384][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9209.215384][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9209.215384][ T1078]      ipv6_find_idev+0x102/0x170
[ 9209.215384][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9209.215384][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9209.215384][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9209.215384][ T1078]      netlink_unicast+0x449/0x710
[ 9209.215384][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9209.215384][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9209.215384][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9209.215384][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9209.215384][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9209.215384][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9209.215384][ T1078] 
[ 9218.642811][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9218.643285][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9218.643285][   T10]      netdev_get_by_index+0x5e/0x80
[ 9218.643285][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9218.643285][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9218.643285][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9218.643285][   T10]      ipv6_add_addr+0x411/0x2000
[ 9218.643285][   T10]      inet6_addr_add+0x30e/0xa40
[ 9218.643285][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9218.643285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.643285][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.643285][   T10]      netlink_unicast+0x449/0x710
[ 9218.643285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.643285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.643285][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.643285][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.643285][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.643285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.643285][   T10] 
[ 9218.645352][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9218.645352][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9218.645352][   T10]      ipv6_find_idev+0x102/0x170
[ 9218.645352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9218.645352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.645352][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.645352][   T10]      netlink_unicast+0x449/0x710
[ 9218.645352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.645352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.645352][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.645352][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.645352][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.645352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.645352][   T10] 
[ 9218.646932][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9218.646932][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9218.646932][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9218.646932][   T10]      ipv6_find_idev+0x102/0x170
[ 9218.646932][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9218.646932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.646932][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.646932][   T10]      netlink_unicast+0x449/0x710
[ 9218.646932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.646932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.646932][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.646932][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.646932][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.646932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.646932][   T10] 
[ 9218.648657][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9218.648916][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9218.648916][   T10]      netdev_get_by_index+0x5e/0x80
[ 9218.648916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9218.648916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9218.648916][   T10]      ip6_route_add+0x1c/0x140
[ 9218.648916][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9218.648916][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9218.648916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9218.648916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.648916][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.648916][   T10]      netlink_unicast+0x449/0x710
[ 9218.648916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.648916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.648916][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.648916][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.648916][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.648916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.648916][   T10] 
[ 9218.650962][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9218.650962][   T10]      netdev_get_by_index+0x5e/0x80
[ 9218.650962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9218.650962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9218.650962][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9218.650962][   T10]      ipv6_add_addr+0x411/0x2000
[ 9218.650962][   T10]      inet6_addr_add+0x30e/0xa40
[ 9218.650962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9218.650962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.650962][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.650962][   T10]      netlink_unicast+0x449/0x710
[ 9218.650962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.650962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.650962][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.650962][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.650962][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.650962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.650962][   T10] 
[ 9218.653020][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9218.653020][   T10]      netdev_get_by_index+0x5e/0x80
[ 9218.653020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9218.653020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9218.653020][   T10]      ip6_route_add+0x1c/0x140
[ 9218.653020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9218.653020][   T10]      addrconf_add_dev+0xe2/0x170
[ 9218.653020][   T10]      inet6_addr_add+0x12f/0xa40
[ 9218.653020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9218.653020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.653020][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.653020][   T10]      netlink_unicast+0x449/0x710
[ 9218.653020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.653020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.653020][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.653020][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.653020][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.653020][   T10] 
[ 9218.655033][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9218.655033][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9218.655033][   T10]      ipv6_find_idev+0x102/0x170
[ 9218.655033][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9218.655033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.655033][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.655033][   T10]      netlink_unicast+0x449/0x710
[ 9218.655033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.655033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.655033][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.655033][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.655033][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.655033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.655033][   T10] 
[ 9218.656601][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9218.656601][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9218.656601][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9218.656601][   T10]      ipv6_find_idev+0x102/0x170
[ 9218.656601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9218.656601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9218.656601][   T10]      netlink_rcv_skb+0x130/0x360
[ 9218.656601][   T10]      netlink_unicast+0x449/0x710
[ 9218.656601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9218.656601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9218.656601][   T10]      ___sys_sendmsg+0xee/0x170
[ 9218.656601][   T10]      __sys_sendmsg+0xcd/0x170
[ 9218.656601][   T10]      do_syscall_64+0xc6/0x1e0
[ 9218.656601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9218.656601][   T10] 
[ 9219.458793][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9219.459353][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9219.459353][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9219.459353][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9219.459353][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9219.459353][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9219.459353][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9219.459353][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9219.459353][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9219.459353][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9219.459353][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9219.459353][ T1078]      netlink_unicast+0x449/0x710
[ 9219.459353][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9219.459353][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9219.459353][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9219.459353][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9219.459353][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9219.459353][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9219.459353][ T1078] 
[ 9219.461678][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9219.461678][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9219.461678][ T1078]      ipv6_find_idev+0x102/0x170
[ 9219.461678][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9219.461678][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9219.461678][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9219.461678][ T1078]      netlink_unicast+0x449/0x710
[ 9219.461678][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9219.461678][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9219.461678][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9219.461678][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9219.461678][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9219.461678][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9219.461678][ T1078] 
[ 9219.463457][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9219.463457][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9219.463457][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9219.463457][ T1078]      ipv6_find_idev+0x102/0x170
[ 9219.463457][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9219.463457][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9219.463457][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9219.463457][ T1078]      netlink_unicast+0x449/0x710
[ 9219.463457][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9219.463457][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9219.463457][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9219.463457][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9219.463457][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9219.463457][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9219.463457][ T1078] 
[ 9228.658857][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9228.659536][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9228.659536][   T10]      netdev_get_by_index+0x5e/0x80
[ 9228.659536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9228.659536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9228.659536][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9228.659536][   T10]      ipv6_add_addr+0x411/0x2000
[ 9228.659536][   T10]      inet6_addr_add+0x30e/0xa40
[ 9228.659536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9228.659536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.659536][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.659536][   T10]      netlink_unicast+0x449/0x710
[ 9228.659536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.659536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.659536][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.659536][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.659536][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.659536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.659536][   T10] 
[ 9228.661795][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9228.661795][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9228.661795][   T10]      ipv6_find_idev+0x102/0x170
[ 9228.661795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9228.661795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.661795][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.661795][   T10]      netlink_unicast+0x449/0x710
[ 9228.661795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.661795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.661795][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.661795][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.661795][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.661795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.661795][   T10] 
[ 9228.663438][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9228.663438][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9228.663438][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9228.663438][   T10]      ipv6_find_idev+0x102/0x170
[ 9228.663438][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9228.663438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.663438][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.663438][   T10]      netlink_unicast+0x449/0x710
[ 9228.663438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.663438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.663438][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.663438][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.663438][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.663438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.663438][   T10] 
[ 9228.665231][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9228.665493][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9228.665493][   T10]      netdev_get_by_index+0x5e/0x80
[ 9228.665493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9228.665493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9228.665493][   T10]      ip6_route_add+0x1c/0x140
[ 9228.665493][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9228.665493][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9228.665493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9228.665493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.665493][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.665493][   T10]      netlink_unicast+0x449/0x710
[ 9228.665493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.665493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.665493][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.665493][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.665493][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.665493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.665493][   T10] 
[ 9228.667732][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9228.667732][   T10]      netdev_get_by_index+0x5e/0x80
[ 9228.667732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9228.667732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9228.667732][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9228.667732][   T10]      ipv6_add_addr+0x411/0x2000
[ 9228.667732][   T10]      inet6_addr_add+0x30e/0xa40
[ 9228.667732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9228.667732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.667732][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.667732][   T10]      netlink_unicast+0x449/0x710
[ 9228.667732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.667732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.667732][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.667732][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.667732][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.667732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.667732][   T10] 
[ 9228.669913][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9228.669913][   T10]      netdev_get_by_index+0x5e/0x80
[ 9228.669913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9228.669913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9228.669913][   T10]      ip6_route_add+0x1c/0x140
[ 9228.669913][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9228.669913][   T10]      addrconf_add_dev+0xe2/0x170
[ 9228.669913][   T10]      inet6_addr_add+0x12f/0xa40
[ 9228.669913][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9228.669913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.669913][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.669913][   T10]      netlink_unicast+0x449/0x710
[ 9228.669913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.669913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.669913][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.669913][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.669913][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.669913][   T10] 
[ 9228.672143][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9228.672143][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9228.672143][   T10]      ipv6_find_idev+0x102/0x170
[ 9228.672143][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9228.672143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.672143][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.672143][   T10]      netlink_unicast+0x449/0x710
[ 9228.672143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.672143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.672143][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.672143][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.672143][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.672143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.672143][   T10] 
[ 9228.673910][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9228.673910][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9228.673910][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9228.673910][   T10]      ipv6_find_idev+0x102/0x170
[ 9228.673910][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9228.673910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9228.673910][   T10]      netlink_rcv_skb+0x130/0x360
[ 9228.673910][   T10]      netlink_unicast+0x449/0x710
[ 9228.673910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9228.673910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9228.673910][   T10]      ___sys_sendmsg+0xee/0x170
[ 9228.673910][   T10]      __sys_sendmsg+0xcd/0x170
[ 9228.673910][   T10]      do_syscall_64+0xc6/0x1e0
[ 9228.673910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9228.673910][   T10] 
[ 9229.506792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9229.507317][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9229.507317][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9229.507317][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9229.507317][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9229.507317][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9229.507317][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9229.507317][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9229.507317][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9229.507317][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9229.507317][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9229.507317][ T1078]      netlink_unicast+0x449/0x710
[ 9229.507317][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9229.507317][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9229.507317][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9229.507317][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9229.507317][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9229.507317][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9229.507317][ T1078] 
[ 9229.509628][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9229.509628][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9229.509628][ T1078]      ipv6_find_idev+0x102/0x170
[ 9229.509628][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9229.509628][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9229.509628][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9229.509628][ T1078]      netlink_unicast+0x449/0x710
[ 9229.509628][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9229.509628][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9229.509628][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9229.509628][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9229.509628][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9229.509628][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9229.509628][ T1078] 
[ 9229.511410][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9229.511410][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9229.511410][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9229.511410][ T1078]      ipv6_find_idev+0x102/0x170
[ 9229.511410][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9229.511410][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9229.511410][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9229.511410][ T1078]      netlink_unicast+0x449/0x710
[ 9229.511410][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9229.511410][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9229.511410][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9229.511410][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9229.511410][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9229.511410][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9229.511410][ T1078] 
[ 9238.914797][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9238.915253][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9238.915253][   T10]      netdev_get_by_index+0x5e/0x80
[ 9238.915253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9238.915253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9238.915253][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9238.915253][   T10]      ipv6_add_addr+0x411/0x2000
[ 9238.915253][   T10]      inet6_addr_add+0x30e/0xa40
[ 9238.915253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9238.915253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.915253][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.915253][   T10]      netlink_unicast+0x449/0x710
[ 9238.915253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.915253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.915253][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.915253][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.915253][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.915253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.915253][   T10] 
[ 9238.917519][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9238.917519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9238.917519][   T10]      ipv6_find_idev+0x102/0x170
[ 9238.917519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9238.917519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.917519][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.917519][   T10]      netlink_unicast+0x449/0x710
[ 9238.917519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.917519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.917519][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.917519][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.917519][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.917519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.917519][   T10] 
[ 9238.919255][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9238.919255][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9238.919255][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9238.919255][   T10]      ipv6_find_idev+0x102/0x170
[ 9238.919255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9238.919255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.919255][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.919255][   T10]      netlink_unicast+0x449/0x710
[ 9238.919255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.919255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.919255][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.919255][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.919255][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.919255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.919255][   T10] 
[ 9238.921248][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9238.921526][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9238.921526][   T10]      netdev_get_by_index+0x5e/0x80
[ 9238.921526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9238.921526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9238.921526][   T10]      ip6_route_add+0x1c/0x140
[ 9238.921526][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9238.921526][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9238.921526][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9238.921526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.921526][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.921526][   T10]      netlink_unicast+0x449/0x710
[ 9238.921526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.921526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.921526][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.921526][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.921526][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.921526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.921526][   T10] 
[ 9238.923728][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9238.923728][   T10]      netdev_get_by_index+0x5e/0x80
[ 9238.923728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9238.923728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9238.923728][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9238.923728][   T10]      ipv6_add_addr+0x411/0x2000
[ 9238.923728][   T10]      inet6_addr_add+0x30e/0xa40
[ 9238.923728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9238.923728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.923728][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.923728][   T10]      netlink_unicast+0x449/0x710
[ 9238.923728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.923728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.923728][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.923728][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.923728][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.923728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.923728][   T10] 
[ 9238.925987][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9238.925987][   T10]      netdev_get_by_index+0x5e/0x80
[ 9238.925987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9238.925987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9238.925987][   T10]      ip6_route_add+0x1c/0x140
[ 9238.925987][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9238.925987][   T10]      addrconf_add_dev+0xe2/0x170
[ 9238.925987][   T10]      inet6_addr_add+0x12f/0xa40
[ 9238.925987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9238.925987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.925987][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.925987][   T10]      netlink_unicast+0x449/0x710
[ 9238.925987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.925987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.925987][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.925987][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.925987][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.925987][   T10] 
[ 9238.928124][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9238.928124][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9238.928124][   T10]      ipv6_find_idev+0x102/0x170
[ 9238.928124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9238.928124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.928124][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.928124][   T10]      netlink_unicast+0x449/0x710
[ 9238.928124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.928124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.928124][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.928124][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.928124][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.928124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.928124][   T10] 
[ 9238.929827][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9238.929827][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9238.929827][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9238.929827][   T10]      ipv6_find_idev+0x102/0x170
[ 9238.929827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9238.929827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9238.929827][   T10]      netlink_rcv_skb+0x130/0x360
[ 9238.929827][   T10]      netlink_unicast+0x449/0x710
[ 9238.929827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9238.929827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9238.929827][   T10]      ___sys_sendmsg+0xee/0x170
[ 9238.929827][   T10]      __sys_sendmsg+0xcd/0x170
[ 9238.929827][   T10]      do_syscall_64+0xc6/0x1e0
[ 9238.929827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9238.929827][   T10] 
[ 9239.754800][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9239.755323][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9239.755323][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9239.755323][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9239.755323][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9239.755323][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9239.755323][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9239.755323][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9239.755323][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9239.755323][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9239.755323][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9239.755323][ T1078]      netlink_unicast+0x449/0x710
[ 9239.755323][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9239.755323][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9239.755323][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9239.755323][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9239.755323][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9239.755323][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9239.755323][ T1078] 
[ 9239.757642][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9239.757642][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9239.757642][ T1078]      ipv6_find_idev+0x102/0x170
[ 9239.757642][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9239.757642][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9239.757642][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9239.757642][ T1078]      netlink_unicast+0x449/0x710
[ 9239.757642][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9239.757642][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9239.757642][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9239.757642][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9239.757642][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9239.757642][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9239.757642][ T1078] 
[ 9239.759412][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9239.759412][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9239.759412][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9239.759412][ T1078]      ipv6_find_idev+0x102/0x170
[ 9239.759412][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9239.759412][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9239.759412][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9239.759412][ T1078]      netlink_unicast+0x449/0x710
[ 9239.759412][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9239.759412][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9239.759412][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9239.759412][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9239.759412][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9239.759412][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9239.759412][ T1078] 
[ 9249.170932][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9249.171499][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9249.171499][   T10]      netdev_get_by_index+0x5e/0x80
[ 9249.171499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9249.171499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9249.171499][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9249.171499][   T10]      ipv6_add_addr+0x411/0x2000
[ 9249.171499][   T10]      inet6_addr_add+0x30e/0xa40
[ 9249.171499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9249.171499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.171499][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.171499][   T10]      netlink_unicast+0x449/0x710
[ 9249.171499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.171499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.171499][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.171499][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.171499][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.171499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.171499][   T10] 
[ 9249.173756][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9249.173756][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9249.173756][   T10]      ipv6_find_idev+0x102/0x170
[ 9249.173756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9249.173756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.173756][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.173756][   T10]      netlink_unicast+0x449/0x710
[ 9249.173756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.173756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.173756][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.173756][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.173756][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.173756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.173756][   T10] 
[ 9249.175445][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9249.175445][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9249.175445][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9249.175445][   T10]      ipv6_find_idev+0x102/0x170
[ 9249.175445][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9249.175445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.175445][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.175445][   T10]      netlink_unicast+0x449/0x710
[ 9249.175445][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.175445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.175445][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.175445][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.175445][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.175445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.175445][   T10] 
[ 9249.177338][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9249.177592][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9249.177592][   T10]      netdev_get_by_index+0x5e/0x80
[ 9249.177592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9249.177592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9249.177592][   T10]      ip6_route_add+0x1c/0x140
[ 9249.177592][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9249.177592][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9249.177592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9249.177592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.177592][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.177592][   T10]      netlink_unicast+0x449/0x710
[ 9249.177592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.177592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.177592][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.177592][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.177592][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.177592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.177592][   T10] 
[ 9249.179910][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9249.179910][   T10]      netdev_get_by_index+0x5e/0x80
[ 9249.179910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9249.179910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9249.179910][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9249.179910][   T10]      ipv6_add_addr+0x411/0x2000
[ 9249.179910][   T10]      inet6_addr_add+0x30e/0xa40
[ 9249.179910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9249.179910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.179910][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.179910][   T10]      netlink_unicast+0x449/0x710
[ 9249.179910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.179910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.179910][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.179910][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.179910][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.179910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.179910][   T10] 
[ 9249.182273][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9249.182273][   T10]      netdev_get_by_index+0x5e/0x80
[ 9249.182273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9249.182273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9249.182273][   T10]      ip6_route_add+0x1c/0x140
[ 9249.182273][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9249.182273][   T10]      addrconf_add_dev+0xe2/0x170
[ 9249.182273][   T10]      inet6_addr_add+0x12f/0xa40
[ 9249.182273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9249.182273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.182273][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.182273][   T10]      netlink_unicast+0x449/0x710
[ 9249.182273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.182273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.182273][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.182273][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.182273][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.182273][   T10] 
[ 9249.184558][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9249.184558][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9249.184558][   T10]      ipv6_find_idev+0x102/0x170
[ 9249.184558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9249.184558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.184558][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.184558][   T10]      netlink_unicast+0x449/0x710
[ 9249.184558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.184558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.184558][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.184558][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.184558][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.184558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.184558][   T10] 
[ 9249.186348][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9249.186348][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9249.186348][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9249.186348][   T10]      ipv6_find_idev+0x102/0x170
[ 9249.186348][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9249.186348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9249.186348][   T10]      netlink_rcv_skb+0x130/0x360
[ 9249.186348][   T10]      netlink_unicast+0x449/0x710
[ 9249.186348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9249.186348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9249.186348][   T10]      ___sys_sendmsg+0xee/0x170
[ 9249.186348][   T10]      __sys_sendmsg+0xcd/0x170
[ 9249.186348][   T10]      do_syscall_64+0xc6/0x1e0
[ 9249.186348][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9249.186348][   T10] 
[ 9250.002742][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9250.003255][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9250.003255][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9250.003255][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9250.003255][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9250.003255][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9250.003255][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9250.003255][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9250.003255][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9250.003255][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9250.003255][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9250.003255][ T1078]      netlink_unicast+0x449/0x710
[ 9250.003255][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9250.003255][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9250.003255][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9250.003255][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9250.003255][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9250.003255][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9250.003255][ T1078] 
[ 9250.005569][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9250.005569][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9250.005569][ T1078]      ipv6_find_idev+0x102/0x170
[ 9250.005569][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9250.005569][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9250.005569][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9250.005569][ T1078]      netlink_unicast+0x449/0x710
[ 9250.005569][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9250.005569][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9250.005569][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9250.005569][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9250.005569][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9250.005569][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9250.005569][ T1078] 
[ 9250.007325][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9250.007325][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9250.007325][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9250.007325][ T1078]      ipv6_find_idev+0x102/0x170
[ 9250.007325][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9250.007325][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9250.007325][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9250.007325][ T1078]      netlink_unicast+0x449/0x710
[ 9250.007325][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9250.007325][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9250.007325][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9250.007325][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9250.007325][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9250.007325][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9250.007325][ T1078] 
[ 9259.338972][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9259.339646][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9259.339646][   T10]      netdev_get_by_index+0x5e/0x80
[ 9259.339646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9259.339646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9259.339646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9259.339646][   T10]      ipv6_add_addr+0x411/0x2000
[ 9259.339646][   T10]      inet6_addr_add+0x30e/0xa40
[ 9259.339646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9259.339646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.339646][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.339646][   T10]      netlink_unicast+0x449/0x710
[ 9259.339646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.339646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.339646][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.339646][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.339646][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.339646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.339646][   T10] 
[ 9259.341966][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9259.341966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9259.341966][   T10]      ipv6_find_idev+0x102/0x170
[ 9259.341966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9259.341966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.341966][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.341966][   T10]      netlink_unicast+0x449/0x710
[ 9259.341966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.341966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.341966][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.341966][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.341966][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.341966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.341966][   T10] 
[ 9259.343656][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9259.343656][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9259.343656][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9259.343656][   T10]      ipv6_find_idev+0x102/0x170
[ 9259.343656][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9259.343656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.343656][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.343656][   T10]      netlink_unicast+0x449/0x710
[ 9259.343656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.343656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.343656][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.343656][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.343656][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.343656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.343656][   T10] 
[ 9259.345552][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9259.345828][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9259.345828][   T10]      netdev_get_by_index+0x5e/0x80
[ 9259.345828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9259.345828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9259.345828][   T10]      ip6_route_add+0x1c/0x140
[ 9259.345828][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9259.345828][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9259.345828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9259.345828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.345828][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.345828][   T10]      netlink_unicast+0x449/0x710
[ 9259.345828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.345828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.345828][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.345828][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.345828][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.345828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.345828][   T10] 
[ 9259.348069][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9259.348069][   T10]      netdev_get_by_index+0x5e/0x80
[ 9259.348069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9259.348069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9259.348069][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9259.348069][   T10]      ipv6_add_addr+0x411/0x2000
[ 9259.348069][   T10]      inet6_addr_add+0x30e/0xa40
[ 9259.348069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9259.348069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.348069][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.348069][   T10]      netlink_unicast+0x449/0x710
[ 9259.348069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.348069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.348069][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.348069][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.348069][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.348069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.348069][   T10] 
[ 9259.350236][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9259.350236][   T10]      netdev_get_by_index+0x5e/0x80
[ 9259.350236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9259.350236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9259.350236][   T10]      ip6_route_add+0x1c/0x140
[ 9259.350236][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9259.350236][   T10]      addrconf_add_dev+0xe2/0x170
[ 9259.350236][   T10]      inet6_addr_add+0x12f/0xa40
[ 9259.350236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9259.350236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.350236][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.350236][   T10]      netlink_unicast+0x449/0x710
[ 9259.350236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.350236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.350236][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.350236][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.350236][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.350236][   T10] 
[ 9259.352461][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9259.352461][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9259.352461][   T10]      ipv6_find_idev+0x102/0x170
[ 9259.352461][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9259.352461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.352461][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.352461][   T10]      netlink_unicast+0x449/0x710
[ 9259.352461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.352461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.352461][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.352461][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.352461][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.352461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.352461][   T10] 
[ 9259.354240][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9259.354240][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9259.354240][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9259.354240][   T10]      ipv6_find_idev+0x102/0x170
[ 9259.354240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9259.354240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9259.354240][   T10]      netlink_rcv_skb+0x130/0x360
[ 9259.354240][   T10]      netlink_unicast+0x449/0x710
[ 9259.354240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9259.354240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9259.354240][   T10]      ___sys_sendmsg+0xee/0x170
[ 9259.354240][   T10]      __sys_sendmsg+0xcd/0x170
[ 9259.354240][   T10]      do_syscall_64+0xc6/0x1e0
[ 9259.354240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9259.354240][   T10] 
[ 9260.106825][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9260.107360][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9260.107360][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9260.107360][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9260.107360][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9260.107360][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9260.107360][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9260.107360][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9260.107360][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9260.107360][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9260.107360][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9260.107360][ T1078]      netlink_unicast+0x449/0x710
[ 9260.107360][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9260.107360][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9260.107360][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9260.107360][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9260.107360][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9260.107360][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9260.107360][ T1078] 
[ 9260.109681][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9260.109681][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9260.109681][ T1078]      ipv6_find_idev+0x102/0x170
[ 9260.109681][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9260.109681][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9260.109681][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9260.109681][ T1078]      netlink_unicast+0x449/0x710
[ 9260.109681][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9260.109681][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9260.109681][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9260.109681][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9260.109681][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9260.109681][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9260.109681][ T1078] 
[ 9260.111453][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9260.111453][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9260.111453][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9260.111453][ T1078]      ipv6_find_idev+0x102/0x170
[ 9260.111453][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9260.111453][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9260.111453][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9260.111453][ T1078]      netlink_unicast+0x449/0x710
[ 9260.111453][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9260.111453][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9260.111453][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9260.111453][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9260.111453][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9260.111453][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9260.111453][ T1078] 
[ 9269.594859][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9269.595390][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9269.595390][   T10]      netdev_get_by_index+0x5e/0x80
[ 9269.595390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9269.595390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9269.595390][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9269.595390][   T10]      ipv6_add_addr+0x411/0x2000
[ 9269.595390][   T10]      inet6_addr_add+0x30e/0xa40
[ 9269.595390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9269.595390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.595390][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.595390][   T10]      netlink_unicast+0x449/0x710
[ 9269.595390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.595390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.595390][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.595390][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.595390][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.595390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.595390][   T10] 
[ 9269.597678][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9269.597678][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9269.597678][   T10]      ipv6_find_idev+0x102/0x170
[ 9269.597678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9269.597678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.597678][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.597678][   T10]      netlink_unicast+0x449/0x710
[ 9269.597678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.597678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.597678][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.597678][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.597678][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.597678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.597678][   T10] 
[ 9269.599477][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9269.599477][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9269.599477][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9269.599477][   T10]      ipv6_find_idev+0x102/0x170
[ 9269.599477][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9269.599477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.599477][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.599477][   T10]      netlink_unicast+0x449/0x710
[ 9269.599477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.599477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.599477][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.599477][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.599477][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.599477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.599477][   T10] 
[ 9269.601435][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9269.601705][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9269.601705][   T10]      netdev_get_by_index+0x5e/0x80
[ 9269.601705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9269.601705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9269.601705][   T10]      ip6_route_add+0x1c/0x140
[ 9269.601705][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9269.601705][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9269.601705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9269.601705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.601705][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.601705][   T10]      netlink_unicast+0x449/0x710
[ 9269.601705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.601705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.601705][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.601705][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.601705][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.601705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.601705][   T10] 
[ 9269.603970][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9269.603970][   T10]      netdev_get_by_index+0x5e/0x80
[ 9269.603970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9269.603970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9269.603970][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9269.603970][   T10]      ipv6_add_addr+0x411/0x2000
[ 9269.603970][   T10]      inet6_addr_add+0x30e/0xa40
[ 9269.603970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9269.603970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.603970][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.603970][   T10]      netlink_unicast+0x449/0x710
[ 9269.603970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.603970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.603970][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.603970][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.603970][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.603970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.603970][   T10] 
[ 9269.606153][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9269.606153][   T10]      netdev_get_by_index+0x5e/0x80
[ 9269.606153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9269.606153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9269.606153][   T10]      ip6_route_add+0x1c/0x140
[ 9269.606153][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9269.606153][   T10]      addrconf_add_dev+0xe2/0x170
[ 9269.606153][   T10]      inet6_addr_add+0x12f/0xa40
[ 9269.606153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9269.606153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.606153][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.606153][   T10]      netlink_unicast+0x449/0x710
[ 9269.606153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.606153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.606153][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.606153][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.606153][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.606153][   T10] 
[ 9269.608339][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9269.608339][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9269.608339][   T10]      ipv6_find_idev+0x102/0x170
[ 9269.608339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9269.608339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.608339][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.608339][   T10]      netlink_unicast+0x449/0x710
[ 9269.608339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.608339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.608339][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.608339][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.608339][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.608339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.608339][   T10] 
[ 9269.610089][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9269.610089][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9269.610089][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9269.610089][   T10]      ipv6_find_idev+0x102/0x170
[ 9269.610089][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9269.610089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9269.610089][   T10]      netlink_rcv_skb+0x130/0x360
[ 9269.610089][   T10]      netlink_unicast+0x449/0x710
[ 9269.610089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9269.610089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9269.610089][   T10]      ___sys_sendmsg+0xee/0x170
[ 9269.610089][   T10]      __sys_sendmsg+0xcd/0x170
[ 9269.610089][   T10]      do_syscall_64+0xc6/0x1e0
[ 9269.610089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9269.610089][   T10] 
[ 9270.354863][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9270.355385][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9270.355385][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9270.355385][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9270.355385][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9270.355385][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9270.355385][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9270.355385][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9270.355385][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9270.355385][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9270.355385][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9270.355385][ T1078]      netlink_unicast+0x449/0x710
[ 9270.355385][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9270.355385][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9270.355385][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9270.355385][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9270.355385][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9270.355385][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9270.355385][ T1078] 
[ 9270.357695][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9270.357695][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9270.357695][ T1078]      ipv6_find_idev+0x102/0x170
[ 9270.357695][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9270.357695][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9270.357695][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9270.357695][ T1078]      netlink_unicast+0x449/0x710
[ 9270.357695][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9270.357695][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9270.357695][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9270.357695][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9270.357695][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9270.357695][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9270.357695][ T1078] 
[ 9270.359463][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9270.359463][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9270.359463][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9270.359463][ T1078]      ipv6_find_idev+0x102/0x170
[ 9270.359463][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9270.359463][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9270.359463][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9270.359463][ T1078]      netlink_unicast+0x449/0x710
[ 9270.359463][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9270.359463][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9270.359463][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9270.359463][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9270.359463][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9270.359463][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9270.359463][ T1078] 
[ 9279.850808][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9279.851328][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9279.851328][   T10]      netdev_get_by_index+0x5e/0x80
[ 9279.851328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9279.851328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9279.851328][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9279.851328][   T10]      ipv6_add_addr+0x411/0x2000
[ 9279.851328][   T10]      inet6_addr_add+0x30e/0xa40
[ 9279.851328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9279.851328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.851328][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.851328][   T10]      netlink_unicast+0x449/0x710
[ 9279.851328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.851328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.851328][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.851328][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.851328][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.851328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.851328][   T10] 
[ 9279.853665][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9279.853665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9279.853665][   T10]      ipv6_find_idev+0x102/0x170
[ 9279.853665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9279.853665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.853665][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.853665][   T10]      netlink_unicast+0x449/0x710
[ 9279.853665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.853665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.853665][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.853665][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.853665][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.853665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.853665][   T10] 
[ 9279.855451][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9279.855451][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9279.855451][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9279.855451][   T10]      ipv6_find_idev+0x102/0x170
[ 9279.855451][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9279.855451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.855451][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.855451][   T10]      netlink_unicast+0x449/0x710
[ 9279.855451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.855451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.855451][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.855451][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.855451][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.855451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.855451][   T10] 
[ 9279.857386][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9279.857650][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9279.857650][   T10]      netdev_get_by_index+0x5e/0x80
[ 9279.857650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9279.857650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9279.857650][   T10]      ip6_route_add+0x1c/0x140
[ 9279.857650][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9279.857650][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9279.857650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9279.857650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.857650][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.857650][   T10]      netlink_unicast+0x449/0x710
[ 9279.857650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.857650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.857650][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.857650][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.857650][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.857650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.857650][   T10] 
[ 9279.859900][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9279.859900][   T10]      netdev_get_by_index+0x5e/0x80
[ 9279.859900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9279.859900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9279.859900][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9279.859900][   T10]      ipv6_add_addr+0x411/0x2000
[ 9279.859900][   T10]      inet6_addr_add+0x30e/0xa40
[ 9279.859900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9279.859900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.859900][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.859900][   T10]      netlink_unicast+0x449/0x710
[ 9279.859900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.859900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.859900][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.859900][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.859900][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.859900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.859900][   T10] 
[ 9279.862195][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9279.862195][   T10]      netdev_get_by_index+0x5e/0x80
[ 9279.862195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9279.862195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9279.862195][   T10]      ip6_route_add+0x1c/0x140
[ 9279.862195][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9279.862195][   T10]      addrconf_add_dev+0xe2/0x170
[ 9279.862195][   T10]      inet6_addr_add+0x12f/0xa40
[ 9279.862195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9279.862195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.862195][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.862195][   T10]      netlink_unicast+0x449/0x710
[ 9279.862195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.862195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.862195][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.862195][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.862195][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.862195][   T10] 
[ 9279.864409][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9279.864409][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9279.864409][   T10]      ipv6_find_idev+0x102/0x170
[ 9279.864409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9279.864409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.864409][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.864409][   T10]      netlink_unicast+0x449/0x710
[ 9279.864409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.864409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.864409][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.864409][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.864409][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.864409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.864409][   T10] 
[ 9279.866115][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9279.866115][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9279.866115][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9279.866115][   T10]      ipv6_find_idev+0x102/0x170
[ 9279.866115][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9279.866115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9279.866115][   T10]      netlink_rcv_skb+0x130/0x360
[ 9279.866115][   T10]      netlink_unicast+0x449/0x710
[ 9279.866115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9279.866115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9279.866115][   T10]      ___sys_sendmsg+0xee/0x170
[ 9279.866115][   T10]      __sys_sendmsg+0xcd/0x170
[ 9279.866115][   T10]      do_syscall_64+0xc6/0x1e0
[ 9279.866115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9279.866115][   T10] 
[ 9280.602820][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9280.603336][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9280.603336][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9280.603336][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9280.603336][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9280.603336][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9280.603336][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9280.603336][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9280.603336][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9280.603336][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9280.603336][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9280.603336][ T1078]      netlink_unicast+0x449/0x710
[ 9280.603336][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9280.603336][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9280.603336][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9280.603336][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9280.603336][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9280.603336][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9280.603336][ T1078] 
[ 9280.605651][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9280.605651][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9280.605651][ T1078]      ipv6_find_idev+0x102/0x170
[ 9280.605651][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9280.605651][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9280.605651][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9280.605651][ T1078]      netlink_unicast+0x449/0x710
[ 9280.605651][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9280.605651][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9280.605651][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9280.605651][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9280.605651][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9280.605651][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9280.605651][ T1078] 
[ 9280.607411][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9280.607411][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9280.607411][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9280.607411][ T1078]      ipv6_find_idev+0x102/0x170
[ 9280.607411][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9280.607411][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9280.607411][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9280.607411][ T1078]      netlink_unicast+0x449/0x710
[ 9280.607411][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9280.607411][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9280.607411][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9280.607411][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9280.607411][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9280.607411][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9280.607411][ T1078] 
[ 9290.106878][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9290.107503][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9290.107503][   T10]      netdev_get_by_index+0x5e/0x80
[ 9290.107503][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9290.107503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9290.107503][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9290.107503][   T10]      ipv6_add_addr+0x411/0x2000
[ 9290.107503][   T10]      inet6_addr_add+0x30e/0xa40
[ 9290.107503][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9290.107503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.107503][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.107503][   T10]      netlink_unicast+0x449/0x710
[ 9290.107503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.107503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.107503][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.107503][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.107503][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.107503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.107503][   T10] 
[ 9290.109711][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9290.109711][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9290.109711][   T10]      ipv6_find_idev+0x102/0x170
[ 9290.109711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9290.109711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.109711][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.109711][   T10]      netlink_unicast+0x449/0x710
[ 9290.109711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.109711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.109711][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.109711][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.109711][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.109711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.109711][   T10] 
[ 9290.111527][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9290.111527][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9290.111527][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9290.111527][   T10]      ipv6_find_idev+0x102/0x170
[ 9290.111527][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9290.111527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.111527][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.111527][   T10]      netlink_unicast+0x449/0x710
[ 9290.111527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.111527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.111527][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.111527][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.111527][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.111527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.111527][   T10] 
[ 9290.113378][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9290.113653][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9290.113653][   T10]      netdev_get_by_index+0x5e/0x80
[ 9290.113653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9290.113653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9290.113653][   T10]      ip6_route_add+0x1c/0x140
[ 9290.113653][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9290.113653][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9290.113653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9290.113653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.113653][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.113653][   T10]      netlink_unicast+0x449/0x710
[ 9290.113653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.113653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.113653][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.113653][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.113653][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.113653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.113653][   T10] 
[ 9290.115945][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9290.115945][   T10]      netdev_get_by_index+0x5e/0x80
[ 9290.115945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9290.115945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9290.115945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9290.115945][   T10]      ipv6_add_addr+0x411/0x2000
[ 9290.115945][   T10]      inet6_addr_add+0x30e/0xa40
[ 9290.115945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9290.115945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.115945][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.115945][   T10]      netlink_unicast+0x449/0x710
[ 9290.115945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.115945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.115945][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.115945][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.115945][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.115945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.115945][   T10] 
[ 9290.118140][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9290.118140][   T10]      netdev_get_by_index+0x5e/0x80
[ 9290.118140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9290.118140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9290.118140][   T10]      ip6_route_add+0x1c/0x140
[ 9290.118140][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9290.118140][   T10]      addrconf_add_dev+0xe2/0x170
[ 9290.118140][   T10]      inet6_addr_add+0x12f/0xa40
[ 9290.118140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9290.118140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.118140][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.118140][   T10]      netlink_unicast+0x449/0x710
[ 9290.118140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.118140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.118140][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.118140][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.118140][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.118140][   T10] 
[ 9290.120306][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9290.120306][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9290.120306][   T10]      ipv6_find_idev+0x102/0x170
[ 9290.120306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9290.120306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.120306][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.120306][   T10]      netlink_unicast+0x449/0x710
[ 9290.120306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.120306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.120306][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.120306][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.120306][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.120306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.120306][   T10] 
[ 9290.122010][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9290.122010][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9290.122010][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9290.122010][   T10]      ipv6_find_idev+0x102/0x170
[ 9290.122010][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9290.122010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.122010][   T10]      netlink_rcv_skb+0x130/0x360
[ 9290.122010][   T10]      netlink_unicast+0x449/0x710
[ 9290.122010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9290.122010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.122010][   T10]      ___sys_sendmsg+0xee/0x170
[ 9290.122010][   T10]      __sys_sendmsg+0xcd/0x170
[ 9290.122010][   T10]      do_syscall_64+0xc6/0x1e0
[ 9290.122010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.122010][   T10] 
[ 9290.850742][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9290.851286][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9290.851286][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9290.851286][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9290.851286][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9290.851286][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9290.851286][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9290.851286][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9290.851286][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9290.851286][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.851286][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9290.851286][ T1078]      netlink_unicast+0x449/0x710
[ 9290.851286][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9290.851286][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.851286][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9290.851286][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9290.851286][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9290.851286][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.851286][ T1078] 
[ 9290.853675][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9290.853675][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9290.853675][ T1078]      ipv6_find_idev+0x102/0x170
[ 9290.853675][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9290.853675][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.853675][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9290.853675][ T1078]      netlink_unicast+0x449/0x710
[ 9290.853675][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9290.853675][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.853675][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9290.853675][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9290.853675][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9290.853675][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.853675][ T1078] 
[ 9290.855608][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9290.855608][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9290.855608][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9290.855608][ T1078]      ipv6_find_idev+0x102/0x170
[ 9290.855608][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9290.855608][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9290.855608][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9290.855608][ T1078]      netlink_unicast+0x449/0x710
[ 9290.855608][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9290.855608][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9290.855608][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9290.855608][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9290.855608][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9290.855608][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9290.855608][ T1078] 
[ 9300.362890][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9300.363385][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9300.363385][   T10]      netdev_get_by_index+0x5e/0x80
[ 9300.363385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9300.363385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9300.363385][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9300.363385][   T10]      ipv6_add_addr+0x411/0x2000
[ 9300.363385][   T10]      inet6_addr_add+0x30e/0xa40
[ 9300.363385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9300.363385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.363385][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.363385][   T10]      netlink_unicast+0x449/0x710
[ 9300.363385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.363385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.363385][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.363385][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.363385][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.363385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.363385][   T10] 
[ 9300.365639][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9300.365639][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9300.365639][   T10]      ipv6_find_idev+0x102/0x170
[ 9300.365639][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9300.365639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.365639][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.365639][   T10]      netlink_unicast+0x449/0x710
[ 9300.365639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.365639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.365639][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.365639][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.365639][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.365639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.365639][   T10] 
[ 9300.367446][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9300.367446][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9300.367446][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9300.367446][   T10]      ipv6_find_idev+0x102/0x170
[ 9300.367446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9300.367446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.367446][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.367446][   T10]      netlink_unicast+0x449/0x710
[ 9300.367446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.367446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.367446][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.367446][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.367446][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.367446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.367446][   T10] 
[ 9300.369349][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9300.369613][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9300.369613][   T10]      netdev_get_by_index+0x5e/0x80
[ 9300.369613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9300.369613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9300.369613][   T10]      ip6_route_add+0x1c/0x140
[ 9300.369613][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9300.369613][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9300.369613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9300.369613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.369613][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.369613][   T10]      netlink_unicast+0x449/0x710
[ 9300.369613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.369613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.369613][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.369613][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.369613][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.369613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.369613][   T10] 
[ 9300.371949][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9300.371949][   T10]      netdev_get_by_index+0x5e/0x80
[ 9300.371949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9300.371949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9300.371949][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9300.371949][   T10]      ipv6_add_addr+0x411/0x2000
[ 9300.371949][   T10]      inet6_addr_add+0x30e/0xa40
[ 9300.371949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9300.371949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.371949][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.371949][   T10]      netlink_unicast+0x449/0x710
[ 9300.371949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.371949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.371949][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.371949][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.371949][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.371949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.371949][   T10] 
[ 9300.374243][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9300.374243][   T10]      netdev_get_by_index+0x5e/0x80
[ 9300.374243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9300.374243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9300.374243][   T10]      ip6_route_add+0x1c/0x140
[ 9300.374243][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9300.374243][   T10]      addrconf_add_dev+0xe2/0x170
[ 9300.374243][   T10]      inet6_addr_add+0x12f/0xa40
[ 9300.374243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9300.374243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.374243][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.374243][   T10]      netlink_unicast+0x449/0x710
[ 9300.374243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.374243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.374243][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.374243][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.374243][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.374243][   T10] 
[ 9300.376473][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9300.376473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9300.376473][   T10]      ipv6_find_idev+0x102/0x170
[ 9300.376473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9300.376473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.376473][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.376473][   T10]      netlink_unicast+0x449/0x710
[ 9300.376473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.376473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.376473][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.376473][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.376473][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.376473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.376473][   T10] 
[ 9300.378210][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9300.378210][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9300.378210][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9300.378210][   T10]      ipv6_find_idev+0x102/0x170
[ 9300.378210][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9300.378210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9300.378210][   T10]      netlink_rcv_skb+0x130/0x360
[ 9300.378210][   T10]      netlink_unicast+0x449/0x710
[ 9300.378210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9300.378210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9300.378210][   T10]      ___sys_sendmsg+0xee/0x170
[ 9300.378210][   T10]      __sys_sendmsg+0xcd/0x170
[ 9300.378210][   T10]      do_syscall_64+0xc6/0x1e0
[ 9300.378210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9300.378210][   T10] 
[ 9301.098797][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9301.099303][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9301.099303][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9301.099303][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9301.099303][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9301.099303][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9301.099303][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9301.099303][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9301.099303][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9301.099303][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9301.099303][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9301.099303][ T1078]      netlink_unicast+0x449/0x710
[ 9301.099303][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9301.099303][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9301.099303][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9301.099303][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9301.099303][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9301.099303][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9301.099303][ T1078] 
[ 9301.101634][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9301.101634][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9301.101634][ T1078]      ipv6_find_idev+0x102/0x170
[ 9301.101634][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9301.101634][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9301.101634][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9301.101634][ T1078]      netlink_unicast+0x449/0x710
[ 9301.101634][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9301.101634][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9301.101634][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9301.101634][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9301.101634][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9301.101634][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9301.101634][ T1078] 
[ 9301.103404][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9301.103404][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9301.103404][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9301.103404][ T1078]      ipv6_find_idev+0x102/0x170
[ 9301.103404][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9301.103404][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9301.103404][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9301.103404][ T1078]      netlink_unicast+0x449/0x710
[ 9301.103404][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9301.103404][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9301.103404][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9301.103404][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9301.103404][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9301.103404][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9301.103404][ T1078] 
[ 9310.402879][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9310.403339][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9310.403339][   T10]      netdev_get_by_index+0x5e/0x80
[ 9310.403339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9310.403339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9310.403339][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9310.403339][   T10]      ipv6_add_addr+0x411/0x2000
[ 9310.403339][   T10]      inet6_addr_add+0x30e/0xa40
[ 9310.403339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9310.403339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.403339][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.403339][   T10]      netlink_unicast+0x449/0x710
[ 9310.403339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.403339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.403339][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.403339][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.403339][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.403339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.403339][   T10] 
[ 9310.405590][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9310.405590][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9310.405590][   T10]      ipv6_find_idev+0x102/0x170
[ 9310.405590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9310.405590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.405590][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.405590][   T10]      netlink_unicast+0x449/0x710
[ 9310.405590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.405590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.405590][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.405590][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.405590][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.405590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.405590][   T10] 
[ 9310.407263][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9310.407263][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9310.407263][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9310.407263][   T10]      ipv6_find_idev+0x102/0x170
[ 9310.407263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9310.407263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.407263][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.407263][   T10]      netlink_unicast+0x449/0x710
[ 9310.407263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.407263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.407263][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.407263][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.407263][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.407263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.407263][   T10] 
[ 9310.409077][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9310.409340][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9310.409340][   T10]      netdev_get_by_index+0x5e/0x80
[ 9310.409340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9310.409340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9310.409340][   T10]      ip6_route_add+0x1c/0x140
[ 9310.409340][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9310.409340][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9310.409340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9310.409340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.409340][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.409340][   T10]      netlink_unicast+0x449/0x710
[ 9310.409340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.409340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.409340][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.409340][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.409340][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.409340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.409340][   T10] 
[ 9310.411646][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9310.411646][   T10]      netdev_get_by_index+0x5e/0x80
[ 9310.411646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9310.411646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9310.411646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9310.411646][   T10]      ipv6_add_addr+0x411/0x2000
[ 9310.411646][   T10]      inet6_addr_add+0x30e/0xa40
[ 9310.411646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9310.411646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.411646][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.411646][   T10]      netlink_unicast+0x449/0x710
[ 9310.411646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.411646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.411646][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.411646][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.411646][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.411646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.411646][   T10] 
[ 9310.413926][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9310.413926][   T10]      netdev_get_by_index+0x5e/0x80
[ 9310.413926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9310.413926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9310.413926][   T10]      ip6_route_add+0x1c/0x140
[ 9310.413926][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9310.413926][   T10]      addrconf_add_dev+0xe2/0x170
[ 9310.413926][   T10]      inet6_addr_add+0x12f/0xa40
[ 9310.413926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9310.413926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.413926][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.413926][   T10]      netlink_unicast+0x449/0x710
[ 9310.413926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.413926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.413926][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.413926][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.413926][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.413926][   T10] 
[ 9310.416212][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9310.416212][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9310.416212][   T10]      ipv6_find_idev+0x102/0x170
[ 9310.416212][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9310.416212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.416212][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.416212][   T10]      netlink_unicast+0x449/0x710
[ 9310.416212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.416212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.416212][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.416212][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.416212][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.416212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.416212][   T10] 
[ 9310.417981][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9310.417981][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9310.417981][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9310.417981][   T10]      ipv6_find_idev+0x102/0x170
[ 9310.417981][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9310.417981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9310.417981][   T10]      netlink_rcv_skb+0x130/0x360
[ 9310.417981][   T10]      netlink_unicast+0x449/0x710
[ 9310.417981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9310.417981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9310.417981][   T10]      ___sys_sendmsg+0xee/0x170
[ 9310.417981][   T10]      __sys_sendmsg+0xcd/0x170
[ 9310.417981][   T10]      do_syscall_64+0xc6/0x1e0
[ 9310.417981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9310.417981][   T10] 
[ 9311.346867][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9311.347484][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9311.347484][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9311.347484][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9311.347484][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9311.347484][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9311.347484][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9311.347484][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9311.347484][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9311.347484][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9311.347484][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9311.347484][ T1078]      netlink_unicast+0x449/0x710
[ 9311.347484][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9311.347484][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9311.347484][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9311.347484][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9311.347484][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9311.347484][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9311.347484][ T1078] 
[ 9311.350004][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9311.350004][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9311.350004][ T1078]      ipv6_find_idev+0x102/0x170
[ 9311.350004][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9311.350004][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9311.350004][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9311.350004][ T1078]      netlink_unicast+0x449/0x710
[ 9311.350004][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9311.350004][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9311.350004][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9311.350004][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9311.350004][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9311.350004][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9311.350004][ T1078] 
[ 9311.351973][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9311.351973][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9311.351973][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9311.351973][ T1078]      ipv6_find_idev+0x102/0x170
[ 9311.351973][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9311.351973][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9311.351973][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9311.351973][ T1078]      netlink_unicast+0x449/0x710
[ 9311.351973][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9311.351973][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9311.351973][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9311.351973][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9311.351973][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9311.351973][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9311.351973][ T1078] 
[ 9320.658857][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9320.659522][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9320.659522][   T10]      netdev_get_by_index+0x5e/0x80
[ 9320.659522][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9320.659522][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9320.659522][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9320.659522][   T10]      ipv6_add_addr+0x411/0x2000
[ 9320.659522][   T10]      inet6_addr_add+0x30e/0xa40
[ 9320.659522][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9320.659522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.659522][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.659522][   T10]      netlink_unicast+0x449/0x710
[ 9320.659522][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.659522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.659522][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.659522][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.659522][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.659522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.659522][   T10] 
[ 9320.661785][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9320.661785][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9320.661785][   T10]      ipv6_find_idev+0x102/0x170
[ 9320.661785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9320.661785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.661785][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.661785][   T10]      netlink_unicast+0x449/0x710
[ 9320.661785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.661785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.661785][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.661785][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.661785][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.661785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.661785][   T10] 
[ 9320.663530][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9320.663530][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9320.663530][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9320.663530][   T10]      ipv6_find_idev+0x102/0x170
[ 9320.663530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9320.663530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.663530][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.663530][   T10]      netlink_unicast+0x449/0x710
[ 9320.663530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.663530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.663530][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.663530][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.663530][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.663530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.663530][   T10] 
[ 9320.665406][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9320.665656][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9320.665656][   T10]      netdev_get_by_index+0x5e/0x80
[ 9320.665656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9320.665656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9320.665656][   T10]      ip6_route_add+0x1c/0x140
[ 9320.665656][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9320.665656][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9320.665656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9320.665656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.665656][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.665656][   T10]      netlink_unicast+0x449/0x710
[ 9320.665656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.665656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.665656][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.665656][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.665656][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.665656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.665656][   T10] 
[ 9320.667909][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9320.667909][   T10]      netdev_get_by_index+0x5e/0x80
[ 9320.667909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9320.667909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9320.667909][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9320.667909][   T10]      ipv6_add_addr+0x411/0x2000
[ 9320.667909][   T10]      inet6_addr_add+0x30e/0xa40
[ 9320.667909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9320.667909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.667909][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.667909][   T10]      netlink_unicast+0x449/0x710
[ 9320.667909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.667909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.667909][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.667909][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.667909][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.667909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.667909][   T10] 
[ 9320.670223][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9320.670223][   T10]      netdev_get_by_index+0x5e/0x80
[ 9320.670223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9320.670223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9320.670223][   T10]      ip6_route_add+0x1c/0x140
[ 9320.670223][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9320.670223][   T10]      addrconf_add_dev+0xe2/0x170
[ 9320.670223][   T10]      inet6_addr_add+0x12f/0xa40
[ 9320.670223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9320.670223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.670223][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.670223][   T10]      netlink_unicast+0x449/0x710
[ 9320.670223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.670223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.670223][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.670223][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.670223][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.670223][   T10] 
[ 9320.672499][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9320.672499][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9320.672499][   T10]      ipv6_find_idev+0x102/0x170
[ 9320.672499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9320.672499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.672499][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.672499][   T10]      netlink_unicast+0x449/0x710
[ 9320.672499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.672499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.672499][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.672499][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.672499][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.672499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.672499][   T10] 
[ 9320.674236][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9320.674236][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9320.674236][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9320.674236][   T10]      ipv6_find_idev+0x102/0x170
[ 9320.674236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9320.674236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9320.674236][   T10]      netlink_rcv_skb+0x130/0x360
[ 9320.674236][   T10]      netlink_unicast+0x449/0x710
[ 9320.674236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9320.674236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9320.674236][   T10]      ___sys_sendmsg+0xee/0x170
[ 9320.674236][   T10]      __sys_sendmsg+0xcd/0x170
[ 9320.674236][   T10]      do_syscall_64+0xc6/0x1e0
[ 9320.674236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9320.674236][   T10] 
[ 9321.594885][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9321.595462][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9321.595462][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9321.595462][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9321.595462][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9321.595462][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9321.595462][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9321.595462][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9321.595462][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9321.595462][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9321.595462][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9321.595462][ T1078]      netlink_unicast+0x449/0x710
[ 9321.595462][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9321.595462][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9321.595462][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9321.595462][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9321.595462][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9321.595462][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9321.595462][ T1078] 
[ 9321.598040][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9321.598040][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9321.598040][ T1078]      ipv6_find_idev+0x102/0x170
[ 9321.598040][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9321.598040][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9321.598040][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9321.598040][ T1078]      netlink_unicast+0x449/0x710
[ 9321.598040][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9321.598040][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9321.598040][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9321.598040][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9321.598040][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9321.598040][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9321.598040][ T1078] 
[ 9321.599973][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9321.599973][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9321.599973][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9321.599973][ T1078]      ipv6_find_idev+0x102/0x170
[ 9321.599973][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9321.599973][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9321.599973][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9321.599973][ T1078]      netlink_unicast+0x449/0x710
[ 9321.599973][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9321.599973][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9321.599973][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9321.599973][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9321.599973][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9321.599973][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9321.599973][ T1078] 
[ 9330.914868][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9330.915446][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9330.915446][   T10]      netdev_get_by_index+0x5e/0x80
[ 9330.915446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9330.915446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9330.915446][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9330.915446][   T10]      ipv6_add_addr+0x411/0x2000
[ 9330.915446][   T10]      inet6_addr_add+0x30e/0xa40
[ 9330.915446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9330.915446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.915446][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.915446][   T10]      netlink_unicast+0x449/0x710
[ 9330.915446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.915446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.915446][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.915446][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.915446][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.915446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.915446][   T10] 
[ 9330.917805][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9330.917805][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9330.917805][   T10]      ipv6_find_idev+0x102/0x170
[ 9330.917805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9330.917805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.917805][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.917805][   T10]      netlink_unicast+0x449/0x710
[ 9330.917805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.917805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.917805][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.917805][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.917805][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.917805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.917805][   T10] 
[ 9330.919570][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9330.919570][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9330.919570][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9330.919570][   T10]      ipv6_find_idev+0x102/0x170
[ 9330.919570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9330.919570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.919570][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.919570][   T10]      netlink_unicast+0x449/0x710
[ 9330.919570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.919570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.919570][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.919570][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.919570][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.919570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.919570][   T10] 
[ 9330.921499][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9330.921769][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9330.921769][   T10]      netdev_get_by_index+0x5e/0x80
[ 9330.921769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9330.921769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9330.921769][   T10]      ip6_route_add+0x1c/0x140
[ 9330.921769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9330.921769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9330.921769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9330.921769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.921769][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.921769][   T10]      netlink_unicast+0x449/0x710
[ 9330.921769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.921769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.921769][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.921769][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.921769][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.921769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.921769][   T10] 
[ 9330.924019][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9330.924019][   T10]      netdev_get_by_index+0x5e/0x80
[ 9330.924019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9330.924019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9330.924019][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9330.924019][   T10]      ipv6_add_addr+0x411/0x2000
[ 9330.924019][   T10]      inet6_addr_add+0x30e/0xa40
[ 9330.924019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9330.924019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.924019][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.924019][   T10]      netlink_unicast+0x449/0x710
[ 9330.924019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.924019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.924019][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.924019][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.924019][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.924019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.924019][   T10] 
[ 9330.926306][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9330.926306][   T10]      netdev_get_by_index+0x5e/0x80
[ 9330.926306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9330.926306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9330.926306][   T10]      ip6_route_add+0x1c/0x140
[ 9330.926306][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9330.926306][   T10]      addrconf_add_dev+0xe2/0x170
[ 9330.926306][   T10]      inet6_addr_add+0x12f/0xa40
[ 9330.926306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9330.926306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.926306][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.926306][   T10]      netlink_unicast+0x449/0x710
[ 9330.926306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.926306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.926306][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.926306][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.926306][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.926306][   T10] 
[ 9330.928826][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9330.928826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9330.928826][   T10]      ipv6_find_idev+0x102/0x170
[ 9330.928826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9330.928826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.928826][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.928826][   T10]      netlink_unicast+0x449/0x710
[ 9330.928826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.928826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.928826][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.928826][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.928826][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.928826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.928826][   T10] 
[ 9330.930523][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9330.930523][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9330.930523][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9330.930523][   T10]      ipv6_find_idev+0x102/0x170
[ 9330.930523][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9330.930523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9330.930523][   T10]      netlink_rcv_skb+0x130/0x360
[ 9330.930523][   T10]      netlink_unicast+0x449/0x710
[ 9330.930523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9330.930523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9330.930523][   T10]      ___sys_sendmsg+0xee/0x170
[ 9330.930523][   T10]      __sys_sendmsg+0xcd/0x170
[ 9330.930523][   T10]      do_syscall_64+0xc6/0x1e0
[ 9330.930523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9330.930523][   T10] 
[ 9331.842879][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9331.843506][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9331.843506][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9331.843506][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9331.843506][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9331.843506][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9331.843506][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9331.843506][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9331.843506][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9331.843506][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9331.843506][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9331.843506][ T1078]      netlink_unicast+0x449/0x710
[ 9331.843506][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9331.843506][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9331.843506][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9331.843506][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9331.843506][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9331.843506][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9331.843506][ T1078] 
[ 9331.846113][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9331.846113][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9331.846113][ T1078]      ipv6_find_idev+0x102/0x170
[ 9331.846113][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9331.846113][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9331.846113][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9331.846113][ T1078]      netlink_unicast+0x449/0x710
[ 9331.846113][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9331.846113][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9331.846113][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9331.846113][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9331.846113][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9331.846113][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9331.846113][ T1078] 
[ 9331.848092][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9331.848092][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9331.848092][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9331.848092][ T1078]      ipv6_find_idev+0x102/0x170
[ 9331.848092][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9331.848092][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9331.848092][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9331.848092][ T1078]      netlink_unicast+0x449/0x710
[ 9331.848092][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9331.848092][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9331.848092][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9331.848092][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9331.848092][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9331.848092][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9331.848092][ T1078] 
[ 9341.170863][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9341.171372][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9341.171372][   T10]      netdev_get_by_index+0x5e/0x80
[ 9341.171372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9341.171372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9341.171372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9341.171372][   T10]      ipv6_add_addr+0x411/0x2000
[ 9341.171372][   T10]      inet6_addr_add+0x30e/0xa40
[ 9341.171372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9341.171372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.171372][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.171372][   T10]      netlink_unicast+0x449/0x710
[ 9341.171372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.171372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.171372][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.171372][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.171372][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.171372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.171372][   T10] 
[ 9341.173759][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9341.173759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9341.173759][   T10]      ipv6_find_idev+0x102/0x170
[ 9341.173759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9341.173759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.173759][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.173759][   T10]      netlink_unicast+0x449/0x710
[ 9341.173759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.173759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.173759][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.173759][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.173759][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.173759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.173759][   T10] 
[ 9341.175964][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9341.175964][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9341.175964][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9341.175964][   T10]      ipv6_find_idev+0x102/0x170
[ 9341.175964][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9341.175964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.175964][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.175964][   T10]      netlink_unicast+0x449/0x710
[ 9341.175964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.175964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.175964][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.175964][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.175964][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.175964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.175964][   T10] 
[ 9341.177859][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9341.178120][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9341.178120][   T10]      netdev_get_by_index+0x5e/0x80
[ 9341.178120][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9341.178120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9341.178120][   T10]      ip6_route_add+0x1c/0x140
[ 9341.178120][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9341.178120][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9341.178120][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9341.178120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.178120][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.178120][   T10]      netlink_unicast+0x449/0x710
[ 9341.178120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.178120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.178120][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.178120][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.178120][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.178120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.178120][   T10] 
[ 9341.180403][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9341.180403][   T10]      netdev_get_by_index+0x5e/0x80
[ 9341.180403][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9341.180403][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9341.180403][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9341.180403][   T10]      ipv6_add_addr+0x411/0x2000
[ 9341.180403][   T10]      inet6_addr_add+0x30e/0xa40
[ 9341.180403][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9341.180403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.180403][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.180403][   T10]      netlink_unicast+0x449/0x710
[ 9341.180403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.180403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.180403][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.180403][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.180403][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.180403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.180403][   T10] 
[ 9341.182748][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9341.182748][   T10]      netdev_get_by_index+0x5e/0x80
[ 9341.182748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9341.182748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9341.182748][   T10]      ip6_route_add+0x1c/0x140
[ 9341.182748][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9341.182748][   T10]      addrconf_add_dev+0xe2/0x170
[ 9341.182748][   T10]      inet6_addr_add+0x12f/0xa40
[ 9341.182748][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9341.182748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.182748][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.182748][   T10]      netlink_unicast+0x449/0x710
[ 9341.182748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.182748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.182748][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.182748][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.182748][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.182748][   T10] 
[ 9341.184921][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9341.184921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9341.184921][   T10]      ipv6_find_idev+0x102/0x170
[ 9341.184921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9341.184921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.184921][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.184921][   T10]      netlink_unicast+0x449/0x710
[ 9341.184921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.184921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.184921][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.184921][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.184921][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.184921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.184921][   T10] 
[ 9341.186732][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9341.186732][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9341.186732][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9341.186732][   T10]      ipv6_find_idev+0x102/0x170
[ 9341.186732][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9341.186732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9341.186732][   T10]      netlink_rcv_skb+0x130/0x360
[ 9341.186732][   T10]      netlink_unicast+0x449/0x710
[ 9341.186732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9341.186732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9341.186732][   T10]      ___sys_sendmsg+0xee/0x170
[ 9341.186732][   T10]      __sys_sendmsg+0xcd/0x170
[ 9341.186732][   T10]      do_syscall_64+0xc6/0x1e0
[ 9341.186732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9341.186732][   T10] 
[ 9342.090867][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9342.091606][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9342.091606][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9342.091606][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9342.091606][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9342.091606][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9342.091606][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9342.091606][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9342.091606][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9342.091606][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9342.091606][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9342.091606][ T1078]      netlink_unicast+0x449/0x710
[ 9342.091606][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9342.091606][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9342.091606][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9342.091606][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9342.091606][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9342.091606][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9342.091606][ T1078] 
[ 9342.094087][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9342.094087][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9342.094087][ T1078]      ipv6_find_idev+0x102/0x170
[ 9342.094087][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9342.094087][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9342.094087][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9342.094087][ T1078]      netlink_unicast+0x449/0x710
[ 9342.094087][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9342.094087][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9342.094087][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9342.094087][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9342.094087][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9342.094087][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9342.094087][ T1078] 
[ 9342.095988][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9342.095988][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9342.095988][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9342.095988][ T1078]      ipv6_find_idev+0x102/0x170
[ 9342.095988][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9342.095988][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9342.095988][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9342.095988][ T1078]      netlink_unicast+0x449/0x710
[ 9342.095988][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9342.095988][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9342.095988][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9342.095988][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9342.095988][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9342.095988][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9342.095988][ T1078] 
[ 9351.426894][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9351.427577][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9351.427577][   T10]      netdev_get_by_index+0x5e/0x80
[ 9351.427577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9351.427577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9351.427577][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9351.427577][   T10]      ipv6_add_addr+0x411/0x2000
[ 9351.427577][   T10]      inet6_addr_add+0x30e/0xa40
[ 9351.427577][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9351.427577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.427577][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.427577][   T10]      netlink_unicast+0x449/0x710
[ 9351.427577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.427577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.427577][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.427577][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.427577][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.427577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.427577][   T10] 
[ 9351.429954][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9351.429954][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9351.429954][   T10]      ipv6_find_idev+0x102/0x170
[ 9351.429954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9351.429954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.429954][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.429954][   T10]      netlink_unicast+0x449/0x710
[ 9351.429954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.429954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.429954][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.429954][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.429954][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.429954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.429954][   T10] 
[ 9351.431761][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9351.431761][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9351.431761][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9351.431761][   T10]      ipv6_find_idev+0x102/0x170
[ 9351.431761][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9351.431761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.431761][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.431761][   T10]      netlink_unicast+0x449/0x710
[ 9351.431761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.431761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.431761][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.431761][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.431761][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.431761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.431761][   T10] 
[ 9351.433799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9351.434071][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9351.434071][   T10]      netdev_get_by_index+0x5e/0x80
[ 9351.434071][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9351.434071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9351.434071][   T10]      ip6_route_add+0x1c/0x140
[ 9351.434071][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9351.434071][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9351.434071][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9351.434071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.434071][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.434071][   T10]      netlink_unicast+0x449/0x710
[ 9351.434071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.434071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.434071][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.434071][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.434071][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.434071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.434071][   T10] 
[ 9351.436344][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9351.436344][   T10]      netdev_get_by_index+0x5e/0x80
[ 9351.436344][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9351.436344][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9351.436344][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9351.436344][   T10]      ipv6_add_addr+0x411/0x2000
[ 9351.436344][   T10]      inet6_addr_add+0x30e/0xa40
[ 9351.436344][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9351.436344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.436344][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.436344][   T10]      netlink_unicast+0x449/0x710
[ 9351.436344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.436344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.436344][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.436344][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.436344][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.436344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.436344][   T10] 
[ 9351.438600][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9351.438600][   T10]      netdev_get_by_index+0x5e/0x80
[ 9351.438600][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9351.438600][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9351.438600][   T10]      ip6_route_add+0x1c/0x140
[ 9351.438600][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9351.438600][   T10]      addrconf_add_dev+0xe2/0x170
[ 9351.438600][   T10]      inet6_addr_add+0x12f/0xa40
[ 9351.438600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9351.438600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.438600][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.438600][   T10]      netlink_unicast+0x449/0x710
[ 9351.438600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.438600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.438600][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.438600][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.438600][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.438600][   T10] 
[ 9351.440852][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9351.440852][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9351.440852][   T10]      ipv6_find_idev+0x102/0x170
[ 9351.440852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9351.440852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.440852][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.440852][   T10]      netlink_unicast+0x449/0x710
[ 9351.440852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.440852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.440852][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.440852][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.440852][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.440852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.440852][   T10] 
[ 9351.442666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9351.442666][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9351.442666][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9351.442666][   T10]      ipv6_find_idev+0x102/0x170
[ 9351.442666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9351.442666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9351.442666][   T10]      netlink_rcv_skb+0x130/0x360
[ 9351.442666][   T10]      netlink_unicast+0x449/0x710
[ 9351.442666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9351.442666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9351.442666][   T10]      ___sys_sendmsg+0xee/0x170
[ 9351.442666][   T10]      __sys_sendmsg+0xcd/0x170
[ 9351.442666][   T10]      do_syscall_64+0xc6/0x1e0
[ 9351.442666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9351.442666][   T10] 
[ 9352.338800][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9352.339297][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9352.339297][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9352.339297][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9352.339297][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9352.339297][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9352.339297][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9352.339297][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9352.339297][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9352.339297][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9352.339297][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9352.339297][ T1078]      netlink_unicast+0x449/0x710
[ 9352.339297][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9352.339297][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9352.339297][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9352.339297][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9352.339297][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9352.339297][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9352.339297][ T1078] 
[ 9352.341623][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9352.341623][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9352.341623][ T1078]      ipv6_find_idev+0x102/0x170
[ 9352.341623][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9352.341623][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9352.341623][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9352.341623][ T1078]      netlink_unicast+0x449/0x710
[ 9352.341623][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9352.341623][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9352.341623][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9352.341623][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9352.341623][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9352.341623][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9352.341623][ T1078] 
[ 9352.343379][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9352.343379][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9352.343379][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9352.343379][ T1078]      ipv6_find_idev+0x102/0x170
[ 9352.343379][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9352.343379][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9352.343379][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9352.343379][ T1078]      netlink_unicast+0x449/0x710
[ 9352.343379][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9352.343379][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9352.343379][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9352.343379][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9352.343379][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9352.343379][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9352.343379][ T1078] 
[ 9361.682848][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9361.683476][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9361.683476][   T10]      netdev_get_by_index+0x5e/0x80
[ 9361.683476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9361.683476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9361.683476][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9361.683476][   T10]      ipv6_add_addr+0x411/0x2000
[ 9361.683476][   T10]      inet6_addr_add+0x30e/0xa40
[ 9361.683476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9361.683476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.683476][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.683476][   T10]      netlink_unicast+0x449/0x710
[ 9361.683476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.683476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.683476][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.683476][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.683476][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.683476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.683476][   T10] 
[ 9361.685817][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9361.685817][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9361.685817][   T10]      ipv6_find_idev+0x102/0x170
[ 9361.685817][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9361.685817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.685817][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.685817][   T10]      netlink_unicast+0x449/0x710
[ 9361.685817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.685817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.685817][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.685817][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.685817][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.685817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.685817][   T10] 
[ 9361.687550][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9361.687550][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9361.687550][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9361.687550][   T10]      ipv6_find_idev+0x102/0x170
[ 9361.687550][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9361.687550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.687550][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.687550][   T10]      netlink_unicast+0x449/0x710
[ 9361.687550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.687550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.687550][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.687550][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.687550][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.687550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.687550][   T10] 
[ 9361.689439][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9361.689699][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9361.689699][   T10]      netdev_get_by_index+0x5e/0x80
[ 9361.689699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9361.689699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9361.689699][   T10]      ip6_route_add+0x1c/0x140
[ 9361.689699][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9361.689699][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9361.689699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9361.689699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.689699][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.689699][   T10]      netlink_unicast+0x449/0x710
[ 9361.689699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.689699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.689699][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.689699][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.689699][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.689699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.689699][   T10] 
[ 9361.691948][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9361.691948][   T10]      netdev_get_by_index+0x5e/0x80
[ 9361.691948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9361.691948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9361.691948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9361.691948][   T10]      ipv6_add_addr+0x411/0x2000
[ 9361.691948][   T10]      inet6_addr_add+0x30e/0xa40
[ 9361.691948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9361.691948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.691948][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.691948][   T10]      netlink_unicast+0x449/0x710
[ 9361.691948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.691948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.691948][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.691948][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.691948][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.691948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.691948][   T10] 
[ 9361.694162][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9361.694162][   T10]      netdev_get_by_index+0x5e/0x80
[ 9361.694162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9361.694162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9361.694162][   T10]      ip6_route_add+0x1c/0x140
[ 9361.694162][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9361.694162][   T10]      addrconf_add_dev+0xe2/0x170
[ 9361.694162][   T10]      inet6_addr_add+0x12f/0xa40
[ 9361.694162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9361.694162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.694162][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.694162][   T10]      netlink_unicast+0x449/0x710
[ 9361.694162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.694162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.694162][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.694162][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.694162][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.694162][   T10] 
[ 9361.696345][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9361.696345][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9361.696345][   T10]      ipv6_find_idev+0x102/0x170
[ 9361.696345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9361.696345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.696345][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.696345][   T10]      netlink_unicast+0x449/0x710
[ 9361.696345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.696345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.696345][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.696345][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.696345][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.696345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.696345][   T10] 
[ 9361.698110][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9361.698110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9361.698110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9361.698110][   T10]      ipv6_find_idev+0x102/0x170
[ 9361.698110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9361.698110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9361.698110][   T10]      netlink_rcv_skb+0x130/0x360
[ 9361.698110][   T10]      netlink_unicast+0x449/0x710
[ 9361.698110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9361.698110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9361.698110][   T10]      ___sys_sendmsg+0xee/0x170
[ 9361.698110][   T10]      __sys_sendmsg+0xcd/0x170
[ 9361.698110][   T10]      do_syscall_64+0xc6/0x1e0
[ 9361.698110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9361.698110][   T10] 
[ 9362.586808][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9362.587320][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9362.587320][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9362.587320][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9362.587320][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9362.587320][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9362.587320][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9362.587320][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9362.587320][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9362.587320][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9362.587320][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9362.587320][ T1078]      netlink_unicast+0x449/0x710
[ 9362.587320][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9362.587320][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9362.587320][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9362.587320][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9362.587320][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9362.587320][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9362.587320][ T1078] 
[ 9362.589650][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9362.589650][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9362.589650][ T1078]      ipv6_find_idev+0x102/0x170
[ 9362.589650][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9362.589650][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9362.589650][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9362.589650][ T1078]      netlink_unicast+0x449/0x710
[ 9362.589650][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9362.589650][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9362.589650][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9362.589650][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9362.589650][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9362.589650][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9362.589650][ T1078] 
[ 9362.591426][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9362.591426][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9362.591426][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9362.591426][ T1078]      ipv6_find_idev+0x102/0x170
[ 9362.591426][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9362.591426][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9362.591426][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9362.591426][ T1078]      netlink_unicast+0x449/0x710
[ 9362.591426][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9362.591426][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9362.591426][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9362.591426][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9362.591426][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9362.591426][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9362.591426][ T1078] 
[ 9371.938872][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9371.939453][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9371.939453][   T10]      netdev_get_by_index+0x5e/0x80
[ 9371.939453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9371.939453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9371.939453][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9371.939453][   T10]      ipv6_add_addr+0x411/0x2000
[ 9371.939453][   T10]      inet6_addr_add+0x30e/0xa40
[ 9371.939453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9371.939453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.939453][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.939453][   T10]      netlink_unicast+0x449/0x710
[ 9371.939453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.939453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.939453][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.939453][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.939453][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.939453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.939453][   T10] 
[ 9371.941714][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9371.941714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9371.941714][   T10]      ipv6_find_idev+0x102/0x170
[ 9371.941714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9371.941714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.941714][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.941714][   T10]      netlink_unicast+0x449/0x710
[ 9371.941714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.941714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.941714][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.941714][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.941714][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.941714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.941714][   T10] 
[ 9371.943430][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9371.943430][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9371.943430][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9371.943430][   T10]      ipv6_find_idev+0x102/0x170
[ 9371.943430][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9371.943430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.943430][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.943430][   T10]      netlink_unicast+0x449/0x710
[ 9371.943430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.943430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.943430][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.943430][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.943430][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.943430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.943430][   T10] 
[ 9371.945376][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9371.945631][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9371.945631][   T10]      netdev_get_by_index+0x5e/0x80
[ 9371.945631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9371.945631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9371.945631][   T10]      ip6_route_add+0x1c/0x140
[ 9371.945631][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9371.945631][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9371.945631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9371.945631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.945631][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.945631][   T10]      netlink_unicast+0x449/0x710
[ 9371.945631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.945631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.945631][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.945631][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.945631][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.945631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.945631][   T10] 
[ 9371.947850][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9371.947850][   T10]      netdev_get_by_index+0x5e/0x80
[ 9371.947850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9371.947850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9371.947850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9371.947850][   T10]      ipv6_add_addr+0x411/0x2000
[ 9371.947850][   T10]      inet6_addr_add+0x30e/0xa40
[ 9371.947850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9371.947850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.947850][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.947850][   T10]      netlink_unicast+0x449/0x710
[ 9371.947850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.947850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.947850][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.947850][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.947850][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.947850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.947850][   T10] 
[ 9371.950097][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9371.950097][   T10]      netdev_get_by_index+0x5e/0x80
[ 9371.950097][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9371.950097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9371.950097][   T10]      ip6_route_add+0x1c/0x140
[ 9371.950097][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9371.950097][   T10]      addrconf_add_dev+0xe2/0x170
[ 9371.950097][   T10]      inet6_addr_add+0x12f/0xa40
[ 9371.950097][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9371.950097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.950097][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.950097][   T10]      netlink_unicast+0x449/0x710
[ 9371.950097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.950097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.950097][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.950097][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.950097][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.950097][   T10] 
[ 9371.952385][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9371.952385][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9371.952385][   T10]      ipv6_find_idev+0x102/0x170
[ 9371.952385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9371.952385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.952385][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.952385][   T10]      netlink_unicast+0x449/0x710
[ 9371.952385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.952385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.952385][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.952385][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.952385][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.952385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.952385][   T10] 
[ 9371.954163][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9371.954163][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9371.954163][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9371.954163][   T10]      ipv6_find_idev+0x102/0x170
[ 9371.954163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9371.954163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9371.954163][   T10]      netlink_rcv_skb+0x130/0x360
[ 9371.954163][   T10]      netlink_unicast+0x449/0x710
[ 9371.954163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9371.954163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9371.954163][   T10]      ___sys_sendmsg+0xee/0x170
[ 9371.954163][   T10]      __sys_sendmsg+0xcd/0x170
[ 9371.954163][   T10]      do_syscall_64+0xc6/0x1e0
[ 9371.954163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9371.954163][   T10] 
[ 9372.834791][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9372.835299][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9372.835299][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9372.835299][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9372.835299][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9372.835299][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9372.835299][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9372.835299][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9372.835299][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9372.835299][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9372.835299][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9372.835299][ T1078]      netlink_unicast+0x449/0x710
[ 9372.835299][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9372.835299][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9372.835299][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9372.835299][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9372.835299][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9372.835299][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9372.835299][ T1078] 
[ 9372.837637][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9372.837637][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9372.837637][ T1078]      ipv6_find_idev+0x102/0x170
[ 9372.837637][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9372.837637][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9372.837637][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9372.837637][ T1078]      netlink_unicast+0x449/0x710
[ 9372.837637][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9372.837637][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9372.837637][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9372.837637][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9372.837637][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9372.837637][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9372.837637][ T1078] 
[ 9372.839415][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9372.839415][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9372.839415][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9372.839415][ T1078]      ipv6_find_idev+0x102/0x170
[ 9372.839415][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9372.839415][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9372.839415][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9372.839415][ T1078]      netlink_unicast+0x449/0x710
[ 9372.839415][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9372.839415][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9372.839415][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9372.839415][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9372.839415][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9372.839415][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9372.839415][ T1078] 
[ 9382.194913][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9382.195473][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9382.195473][   T10]      netdev_get_by_index+0x5e/0x80
[ 9382.195473][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9382.195473][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9382.195473][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9382.195473][   T10]      ipv6_add_addr+0x411/0x2000
[ 9382.195473][   T10]      inet6_addr_add+0x30e/0xa40
[ 9382.195473][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9382.195473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.195473][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.195473][   T10]      netlink_unicast+0x449/0x710
[ 9382.195473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.195473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.195473][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.195473][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.195473][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.195473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.195473][   T10] 
[ 9382.197817][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9382.197817][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9382.197817][   T10]      ipv6_find_idev+0x102/0x170
[ 9382.197817][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9382.197817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.197817][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.197817][   T10]      netlink_unicast+0x449/0x710
[ 9382.197817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.197817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.197817][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.197817][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.197817][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.197817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.197817][   T10] 
[ 9382.199584][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9382.199584][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9382.199584][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9382.199584][   T10]      ipv6_find_idev+0x102/0x170
[ 9382.199584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9382.199584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.199584][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.199584][   T10]      netlink_unicast+0x449/0x710
[ 9382.199584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.199584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.199584][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.199584][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.199584][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.199584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.199584][   T10] 
[ 9382.201629][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9382.201924][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9382.201924][   T10]      netdev_get_by_index+0x5e/0x80
[ 9382.201924][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9382.201924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9382.201924][   T10]      ip6_route_add+0x1c/0x140
[ 9382.201924][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9382.201924][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9382.201924][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9382.201924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.201924][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.201924][   T10]      netlink_unicast+0x449/0x710
[ 9382.201924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.201924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.201924][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.201924][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.201924][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.201924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.201924][   T10] 
[ 9382.204229][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9382.204229][   T10]      netdev_get_by_index+0x5e/0x80
[ 9382.204229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9382.204229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9382.204229][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9382.204229][   T10]      ipv6_add_addr+0x411/0x2000
[ 9382.204229][   T10]      inet6_addr_add+0x30e/0xa40
[ 9382.204229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9382.204229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.204229][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.204229][   T10]      netlink_unicast+0x449/0x710
[ 9382.204229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.204229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.204229][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.204229][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.204229][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.204229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.204229][   T10] 
[ 9382.206613][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9382.206613][   T10]      netdev_get_by_index+0x5e/0x80
[ 9382.206613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9382.206613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9382.206613][   T10]      ip6_route_add+0x1c/0x140
[ 9382.206613][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9382.206613][   T10]      addrconf_add_dev+0xe2/0x170
[ 9382.206613][   T10]      inet6_addr_add+0x12f/0xa40
[ 9382.206613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9382.206613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.206613][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.206613][   T10]      netlink_unicast+0x449/0x710
[ 9382.206613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.206613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.206613][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.206613][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.206613][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.206613][   T10] 
[ 9382.208924][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9382.208924][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9382.208924][   T10]      ipv6_find_idev+0x102/0x170
[ 9382.208924][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9382.208924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.208924][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.208924][   T10]      netlink_unicast+0x449/0x710
[ 9382.208924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.208924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.208924][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.208924][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.208924][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.208924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.208924][   T10] 
[ 9382.210746][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9382.210746][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9382.210746][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9382.210746][   T10]      ipv6_find_idev+0x102/0x170
[ 9382.210746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9382.210746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9382.210746][   T10]      netlink_rcv_skb+0x130/0x360
[ 9382.210746][   T10]      netlink_unicast+0x449/0x710
[ 9382.210746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9382.210746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9382.210746][   T10]      ___sys_sendmsg+0xee/0x170
[ 9382.210746][   T10]      __sys_sendmsg+0xcd/0x170
[ 9382.210746][   T10]      do_syscall_64+0xc6/0x1e0
[ 9382.210746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9382.210746][   T10] 
[ 9383.082936][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9383.083452][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9383.083452][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9383.083452][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9383.083452][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9383.083452][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9383.083452][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9383.083452][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9383.083452][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9383.083452][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9383.083452][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9383.083452][ T1078]      netlink_unicast+0x449/0x710
[ 9383.083452][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9383.083452][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9383.083452][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9383.083452][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9383.083452][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9383.083452][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9383.083452][ T1078] 
[ 9383.085772][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9383.085772][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9383.085772][ T1078]      ipv6_find_idev+0x102/0x170
[ 9383.085772][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9383.085772][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9383.085772][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9383.085772][ T1078]      netlink_unicast+0x449/0x710
[ 9383.085772][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9383.085772][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9383.085772][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9383.085772][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9383.085772][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9383.085772][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9383.085772][ T1078] 
[ 9383.087542][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9383.087542][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9383.087542][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9383.087542][ T1078]      ipv6_find_idev+0x102/0x170
[ 9383.087542][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9383.087542][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9383.087542][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9383.087542][ T1078]      netlink_unicast+0x449/0x710
[ 9383.087542][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9383.087542][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9383.087542][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9383.087542][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9383.087542][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9383.087542][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9383.087542][ T1078] 
[ 9392.298870][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9392.299373][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9392.299373][   T10]      netdev_get_by_index+0x5e/0x80
[ 9392.299373][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9392.299373][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9392.299373][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9392.299373][   T10]      ipv6_add_addr+0x411/0x2000
[ 9392.299373][   T10]      inet6_addr_add+0x30e/0xa40
[ 9392.299373][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9392.299373][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.299373][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.299373][   T10]      netlink_unicast+0x449/0x710
[ 9392.299373][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.299373][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.299373][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.299373][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.299373][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.299373][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.299373][   T10] 
[ 9392.301774][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9392.301774][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9392.301774][   T10]      ipv6_find_idev+0x102/0x170
[ 9392.301774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9392.301774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.301774][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.301774][   T10]      netlink_unicast+0x449/0x710
[ 9392.301774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.301774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.301774][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.301774][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.301774][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.301774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.301774][   T10] 
[ 9392.303596][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9392.303596][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9392.303596][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9392.303596][   T10]      ipv6_find_idev+0x102/0x170
[ 9392.303596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9392.303596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.303596][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.303596][   T10]      netlink_unicast+0x449/0x710
[ 9392.303596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.303596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.303596][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.303596][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.303596][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.303596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.303596][   T10] 
[ 9392.305502][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9392.305782][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9392.305782][   T10]      netdev_get_by_index+0x5e/0x80
[ 9392.305782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9392.305782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9392.305782][   T10]      ip6_route_add+0x1c/0x140
[ 9392.305782][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9392.305782][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9392.305782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9392.305782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.305782][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.305782][   T10]      netlink_unicast+0x449/0x710
[ 9392.305782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.305782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.305782][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.305782][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.305782][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.305782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.305782][   T10] 
[ 9392.308167][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9392.308167][   T10]      netdev_get_by_index+0x5e/0x80
[ 9392.308167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9392.308167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9392.308167][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9392.308167][   T10]      ipv6_add_addr+0x411/0x2000
[ 9392.308167][   T10]      inet6_addr_add+0x30e/0xa40
[ 9392.308167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9392.308167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.308167][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.308167][   T10]      netlink_unicast+0x449/0x710
[ 9392.308167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.308167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.308167][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.308167][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.308167][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.308167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.308167][   T10] 
[ 9392.310437][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9392.310437][   T10]      netdev_get_by_index+0x5e/0x80
[ 9392.310437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9392.310437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9392.310437][   T10]      ip6_route_add+0x1c/0x140
[ 9392.310437][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9392.310437][   T10]      addrconf_add_dev+0xe2/0x170
[ 9392.310437][   T10]      inet6_addr_add+0x12f/0xa40
[ 9392.310437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9392.310437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.310437][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.310437][   T10]      netlink_unicast+0x449/0x710
[ 9392.310437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.310437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.310437][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.310437][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.310437][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.310437][   T10] 
[ 9392.312702][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9392.312702][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9392.312702][   T10]      ipv6_find_idev+0x102/0x170
[ 9392.312702][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9392.312702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.312702][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.312702][   T10]      netlink_unicast+0x449/0x710
[ 9392.312702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.312702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.312702][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.312702][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.312702][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.312702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.312702][   T10] 
[ 9392.314495][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9392.314495][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9392.314495][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9392.314495][   T10]      ipv6_find_idev+0x102/0x170
[ 9392.314495][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9392.314495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9392.314495][   T10]      netlink_rcv_skb+0x130/0x360
[ 9392.314495][   T10]      netlink_unicast+0x449/0x710
[ 9392.314495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9392.314495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9392.314495][   T10]      ___sys_sendmsg+0xee/0x170
[ 9392.314495][   T10]      __sys_sendmsg+0xcd/0x170
[ 9392.314495][   T10]      do_syscall_64+0xc6/0x1e0
[ 9392.314495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9392.314495][   T10] 
[ 9393.330818][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9393.331325][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9393.331325][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9393.331325][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9393.331325][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9393.331325][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9393.331325][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9393.331325][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9393.331325][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9393.331325][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9393.331325][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9393.331325][ T1078]      netlink_unicast+0x449/0x710
[ 9393.331325][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9393.331325][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9393.331325][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9393.331325][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9393.331325][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9393.331325][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9393.331325][ T1078] 
[ 9393.334189][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9393.334189][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9393.334189][ T1078]      ipv6_find_idev+0x102/0x170
[ 9393.334189][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9393.334189][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9393.334189][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9393.334189][ T1078]      netlink_unicast+0x449/0x710
[ 9393.334189][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9393.334189][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9393.334189][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9393.334189][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9393.334189][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9393.334189][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9393.334189][ T1078] 
[ 9393.335951][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9393.335951][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9393.335951][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9393.335951][ T1078]      ipv6_find_idev+0x102/0x170
[ 9393.335951][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9393.335951][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9393.335951][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9393.335951][ T1078]      netlink_unicast+0x449/0x710
[ 9393.335951][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9393.335951][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9393.335951][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9393.335951][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9393.335951][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9393.335951][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9393.335951][ T1078] 
[ 9402.570854][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9402.571422][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9402.571422][   T10]      netdev_get_by_index+0x5e/0x80
[ 9402.571422][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9402.571422][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9402.571422][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9402.571422][   T10]      ipv6_add_addr+0x411/0x2000
[ 9402.571422][   T10]      inet6_addr_add+0x30e/0xa40
[ 9402.571422][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9402.571422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.571422][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.571422][   T10]      netlink_unicast+0x449/0x710
[ 9402.571422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.571422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.571422][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.571422][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.571422][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.571422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.571422][   T10] 
[ 9402.573666][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9402.573666][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9402.573666][   T10]      ipv6_find_idev+0x102/0x170
[ 9402.573666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9402.573666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.573666][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.573666][   T10]      netlink_unicast+0x449/0x710
[ 9402.573666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.573666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.573666][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.573666][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.573666][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.573666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.573666][   T10] 
[ 9402.575382][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9402.575382][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9402.575382][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9402.575382][   T10]      ipv6_find_idev+0x102/0x170
[ 9402.575382][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9402.575382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.575382][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.575382][   T10]      netlink_unicast+0x449/0x710
[ 9402.575382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.575382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.575382][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.575382][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.575382][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.575382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.575382][   T10] 
[ 9402.577315][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9402.577589][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9402.577589][   T10]      netdev_get_by_index+0x5e/0x80
[ 9402.577589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9402.577589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9402.577589][   T10]      ip6_route_add+0x1c/0x140
[ 9402.577589][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9402.577589][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9402.577589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9402.577589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.577589][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.577589][   T10]      netlink_unicast+0x449/0x710
[ 9402.577589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.577589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.577589][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.577589][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.577589][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.577589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.577589][   T10] 
[ 9402.579856][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9402.579856][   T10]      netdev_get_by_index+0x5e/0x80
[ 9402.579856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9402.579856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9402.579856][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9402.579856][   T10]      ipv6_add_addr+0x411/0x2000
[ 9402.579856][   T10]      inet6_addr_add+0x30e/0xa40
[ 9402.579856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9402.579856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.579856][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.579856][   T10]      netlink_unicast+0x449/0x710
[ 9402.579856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.579856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.579856][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.579856][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.579856][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.579856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.579856][   T10] 
[ 9402.582197][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9402.582197][   T10]      netdev_get_by_index+0x5e/0x80
[ 9402.582197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9402.582197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9402.582197][   T10]      ip6_route_add+0x1c/0x140
[ 9402.582197][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9402.582197][   T10]      addrconf_add_dev+0xe2/0x170
[ 9402.582197][   T10]      inet6_addr_add+0x12f/0xa40
[ 9402.582197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9402.582197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.582197][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.582197][   T10]      netlink_unicast+0x449/0x710
[ 9402.582197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.582197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.582197][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.582197][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.582197][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.582197][   T10] 
[ 9402.584422][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9402.584422][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9402.584422][   T10]      ipv6_find_idev+0x102/0x170
[ 9402.584422][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9402.584422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.584422][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.584422][   T10]      netlink_unicast+0x449/0x710
[ 9402.584422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.584422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.584422][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.584422][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.584422][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.584422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.584422][   T10] 
[ 9402.586222][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9402.586222][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9402.586222][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9402.586222][   T10]      ipv6_find_idev+0x102/0x170
[ 9402.586222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9402.586222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9402.586222][   T10]      netlink_rcv_skb+0x130/0x360
[ 9402.586222][   T10]      netlink_unicast+0x449/0x710
[ 9402.586222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9402.586222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9402.586222][   T10]      ___sys_sendmsg+0xee/0x170
[ 9402.586222][   T10]      __sys_sendmsg+0xcd/0x170
[ 9402.586222][   T10]      do_syscall_64+0xc6/0x1e0
[ 9402.586222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9402.586222][   T10] 
[ 9403.578737][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9403.579250][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9403.579250][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9403.579250][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9403.579250][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9403.579250][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9403.579250][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9403.579250][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9403.579250][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9403.579250][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9403.579250][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9403.579250][ T1078]      netlink_unicast+0x449/0x710
[ 9403.579250][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9403.579250][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9403.579250][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9403.579250][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9403.579250][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9403.579250][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9403.579250][ T1078] 
[ 9403.581579][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9403.581579][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9403.581579][ T1078]      ipv6_find_idev+0x102/0x170
[ 9403.581579][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9403.581579][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9403.581579][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9403.581579][ T1078]      netlink_unicast+0x449/0x710
[ 9403.581579][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9403.581579][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9403.581579][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9403.581579][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9403.581579][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9403.581579][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9403.581579][ T1078] 
[ 9403.583352][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9403.583352][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9403.583352][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9403.583352][ T1078]      ipv6_find_idev+0x102/0x170
[ 9403.583352][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9403.583352][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9403.583352][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9403.583352][ T1078]      netlink_unicast+0x449/0x710
[ 9403.583352][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9403.583352][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9403.583352][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9403.583352][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9403.583352][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9403.583352][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9403.583352][ T1078] 
[ 9412.842875][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9412.843414][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9412.843414][   T10]      netdev_get_by_index+0x5e/0x80
[ 9412.843414][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9412.843414][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9412.843414][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9412.843414][   T10]      ipv6_add_addr+0x411/0x2000
[ 9412.843414][   T10]      inet6_addr_add+0x30e/0xa40
[ 9412.843414][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9412.843414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.843414][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.843414][   T10]      netlink_unicast+0x449/0x710
[ 9412.843414][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.843414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.843414][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.843414][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.843414][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.843414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.843414][   T10] 
[ 9412.845768][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9412.845768][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9412.845768][   T10]      ipv6_find_idev+0x102/0x170
[ 9412.845768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9412.845768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.845768][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.845768][   T10]      netlink_unicast+0x449/0x710
[ 9412.845768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.845768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.845768][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.845768][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.845768][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.845768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.845768][   T10] 
[ 9412.847486][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9412.847486][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9412.847486][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9412.847486][   T10]      ipv6_find_idev+0x102/0x170
[ 9412.847486][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9412.847486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.847486][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.847486][   T10]      netlink_unicast+0x449/0x710
[ 9412.847486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.847486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.847486][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.847486][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.847486][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.847486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.847486][   T10] 
[ 9412.849435][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9412.849713][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9412.849713][   T10]      netdev_get_by_index+0x5e/0x80
[ 9412.849713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9412.849713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9412.849713][   T10]      ip6_route_add+0x1c/0x140
[ 9412.849713][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9412.849713][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9412.849713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9412.849713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.849713][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.849713][   T10]      netlink_unicast+0x449/0x710
[ 9412.849713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.849713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.849713][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.849713][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.849713][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.849713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.849713][   T10] 
[ 9412.852015][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9412.852015][   T10]      netdev_get_by_index+0x5e/0x80
[ 9412.852015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9412.852015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9412.852015][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9412.852015][   T10]      ipv6_add_addr+0x411/0x2000
[ 9412.852015][   T10]      inet6_addr_add+0x30e/0xa40
[ 9412.852015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9412.852015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.852015][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.852015][   T10]      netlink_unicast+0x449/0x710
[ 9412.852015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.852015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.852015][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.852015][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.852015][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.852015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.852015][   T10] 
[ 9412.854384][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9412.854384][   T10]      netdev_get_by_index+0x5e/0x80
[ 9412.854384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9412.854384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9412.854384][   T10]      ip6_route_add+0x1c/0x140
[ 9412.854384][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9412.854384][   T10]      addrconf_add_dev+0xe2/0x170
[ 9412.854384][   T10]      inet6_addr_add+0x12f/0xa40
[ 9412.854384][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9412.854384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.854384][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.854384][   T10]      netlink_unicast+0x449/0x710
[ 9412.854384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.854384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.854384][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.854384][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.854384][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.854384][   T10] 
[ 9412.856635][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9412.856635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9412.856635][   T10]      ipv6_find_idev+0x102/0x170
[ 9412.856635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9412.856635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.856635][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.856635][   T10]      netlink_unicast+0x449/0x710
[ 9412.856635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.856635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.856635][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.856635][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.856635][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.856635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.856635][   T10] 
[ 9412.858427][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9412.858427][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9412.858427][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9412.858427][   T10]      ipv6_find_idev+0x102/0x170
[ 9412.858427][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9412.858427][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9412.858427][   T10]      netlink_rcv_skb+0x130/0x360
[ 9412.858427][   T10]      netlink_unicast+0x449/0x710
[ 9412.858427][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9412.858427][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9412.858427][   T10]      ___sys_sendmsg+0xee/0x170
[ 9412.858427][   T10]      __sys_sendmsg+0xcd/0x170
[ 9412.858427][   T10]      do_syscall_64+0xc6/0x1e0
[ 9412.858427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9412.858427][   T10] 
[ 9413.826796][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9413.827309][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9413.827309][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9413.827309][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9413.827309][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9413.827309][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9413.827309][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9413.827309][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9413.827309][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9413.827309][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9413.827309][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9413.827309][ T1078]      netlink_unicast+0x449/0x710
[ 9413.827309][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9413.827309][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9413.827309][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9413.827309][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9413.827309][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9413.827309][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9413.827309][ T1078] 
[ 9413.829638][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9413.829638][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9413.829638][ T1078]      ipv6_find_idev+0x102/0x170
[ 9413.829638][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9413.829638][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9413.829638][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9413.829638][ T1078]      netlink_unicast+0x449/0x710
[ 9413.829638][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9413.829638][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9413.829638][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9413.829638][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9413.829638][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9413.829638][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9413.829638][ T1078] 
[ 9413.831435][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9413.831435][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9413.831435][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9413.831435][ T1078]      ipv6_find_idev+0x102/0x170
[ 9413.831435][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9413.831435][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9413.831435][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9413.831435][ T1078]      netlink_unicast+0x449/0x710
[ 9413.831435][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9413.831435][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9413.831435][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9413.831435][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9413.831435][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9413.831435][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9413.831435][ T1078] 
[ 9423.114870][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9423.115499][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9423.115499][   T10]      netdev_get_by_index+0x5e/0x80
[ 9423.115499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9423.115499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9423.115499][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9423.115499][   T10]      ipv6_add_addr+0x411/0x2000
[ 9423.115499][   T10]      inet6_addr_add+0x30e/0xa40
[ 9423.115499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9423.115499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.115499][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.115499][   T10]      netlink_unicast+0x449/0x710
[ 9423.115499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.115499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.115499][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.115499][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.115499][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.115499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.115499][   T10] 
[ 9423.117732][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9423.117732][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9423.117732][   T10]      ipv6_find_idev+0x102/0x170
[ 9423.117732][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9423.117732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.117732][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.117732][   T10]      netlink_unicast+0x449/0x710
[ 9423.117732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.117732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.117732][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.117732][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.117732][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.117732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.117732][   T10] 
[ 9423.119489][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9423.119489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9423.119489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9423.119489][   T10]      ipv6_find_idev+0x102/0x170
[ 9423.119489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9423.119489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.119489][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.119489][   T10]      netlink_unicast+0x449/0x710
[ 9423.119489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.119489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.119489][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.119489][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.119489][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.119489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.119489][   T10] 
[ 9423.121471][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9423.121760][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9423.121760][   T10]      netdev_get_by_index+0x5e/0x80
[ 9423.121760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9423.121760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9423.121760][   T10]      ip6_route_add+0x1c/0x140
[ 9423.121760][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9423.121760][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9423.121760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9423.121760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.121760][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.121760][   T10]      netlink_unicast+0x449/0x710
[ 9423.121760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.121760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.121760][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.121760][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.121760][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.121760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.121760][   T10] 
[ 9423.124023][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9423.124023][   T10]      netdev_get_by_index+0x5e/0x80
[ 9423.124023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9423.124023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9423.124023][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9423.124023][   T10]      ipv6_add_addr+0x411/0x2000
[ 9423.124023][   T10]      inet6_addr_add+0x30e/0xa40
[ 9423.124023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9423.124023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.124023][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.124023][   T10]      netlink_unicast+0x449/0x710
[ 9423.124023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.124023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.124023][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.124023][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.124023][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.124023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.124023][   T10] 
[ 9423.126265][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9423.126265][   T10]      netdev_get_by_index+0x5e/0x80
[ 9423.126265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9423.126265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9423.126265][   T10]      ip6_route_add+0x1c/0x140
[ 9423.126265][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9423.126265][   T10]      addrconf_add_dev+0xe2/0x170
[ 9423.126265][   T10]      inet6_addr_add+0x12f/0xa40
[ 9423.126265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9423.126265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.126265][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.126265][   T10]      netlink_unicast+0x449/0x710
[ 9423.126265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.126265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.126265][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.126265][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.126265][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.126265][   T10] 
[ 9423.128523][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9423.128523][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9423.128523][   T10]      ipv6_find_idev+0x102/0x170
[ 9423.128523][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9423.128523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.128523][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.128523][   T10]      netlink_unicast+0x449/0x710
[ 9423.128523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.128523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.128523][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.128523][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.128523][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.128523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.128523][   T10] 
[ 9423.130362][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9423.130362][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9423.130362][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9423.130362][   T10]      ipv6_find_idev+0x102/0x170
[ 9423.130362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9423.130362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9423.130362][   T10]      netlink_rcv_skb+0x130/0x360
[ 9423.130362][   T10]      netlink_unicast+0x449/0x710
[ 9423.130362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9423.130362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9423.130362][   T10]      ___sys_sendmsg+0xee/0x170
[ 9423.130362][   T10]      __sys_sendmsg+0xcd/0x170
[ 9423.130362][   T10]      do_syscall_64+0xc6/0x1e0
[ 9423.130362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9423.130362][   T10] 
[ 9424.074811][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9424.075321][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9424.075321][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9424.075321][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9424.075321][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9424.075321][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9424.075321][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9424.075321][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9424.075321][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9424.075321][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9424.075321][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9424.075321][ T1078]      netlink_unicast+0x449/0x710
[ 9424.075321][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9424.075321][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9424.075321][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9424.075321][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9424.075321][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9424.075321][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9424.075321][ T1078] 
[ 9424.077629][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9424.077629][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9424.077629][ T1078]      ipv6_find_idev+0x102/0x170
[ 9424.077629][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9424.077629][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9424.077629][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9424.077629][ T1078]      netlink_unicast+0x449/0x710
[ 9424.077629][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9424.077629][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9424.077629][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9424.077629][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9424.077629][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9424.077629][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9424.077629][ T1078] 
[ 9424.079391][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9424.079391][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9424.079391][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9424.079391][ T1078]      ipv6_find_idev+0x102/0x170
[ 9424.079391][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9424.079391][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9424.079391][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9424.079391][ T1078]      netlink_unicast+0x449/0x710
[ 9424.079391][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9424.079391][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9424.079391][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9424.079391][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9424.079391][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9424.079391][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9424.079391][ T1078] 
[ 9433.386881][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9433.387484][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9433.387484][   T10]      netdev_get_by_index+0x5e/0x80
[ 9433.387484][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9433.387484][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9433.387484][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9433.387484][   T10]      ipv6_add_addr+0x411/0x2000
[ 9433.387484][   T10]      inet6_addr_add+0x30e/0xa40
[ 9433.387484][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9433.387484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.387484][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.387484][   T10]      netlink_unicast+0x449/0x710
[ 9433.387484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.387484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.387484][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.387484][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.387484][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.387484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.387484][   T10] 
[ 9433.389759][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9433.389759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9433.389759][   T10]      ipv6_find_idev+0x102/0x170
[ 9433.389759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9433.389759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.389759][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.389759][   T10]      netlink_unicast+0x449/0x710
[ 9433.389759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.389759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.389759][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.389759][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.389759][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.389759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.389759][   T10] 
[ 9433.391626][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9433.391626][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9433.391626][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9433.391626][   T10]      ipv6_find_idev+0x102/0x170
[ 9433.391626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9433.391626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.391626][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.391626][   T10]      netlink_unicast+0x449/0x710
[ 9433.391626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.391626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.391626][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.391626][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.391626][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.391626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.391626][   T10] 
[ 9433.393591][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9433.393879][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9433.393879][   T10]      netdev_get_by_index+0x5e/0x80
[ 9433.393879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9433.393879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9433.393879][   T10]      ip6_route_add+0x1c/0x140
[ 9433.393879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9433.393879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9433.393879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9433.393879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.393879][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.393879][   T10]      netlink_unicast+0x449/0x710
[ 9433.393879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.393879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.393879][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.393879][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.393879][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.393879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.393879][   T10] 
[ 9433.396218][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9433.396218][   T10]      netdev_get_by_index+0x5e/0x80
[ 9433.396218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9433.396218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9433.396218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9433.396218][   T10]      ipv6_add_addr+0x411/0x2000
[ 9433.396218][   T10]      inet6_addr_add+0x30e/0xa40
[ 9433.396218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9433.396218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.396218][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.396218][   T10]      netlink_unicast+0x449/0x710
[ 9433.396218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.396218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.396218][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.396218][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.396218][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.396218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.396218][   T10] 
[ 9433.398541][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9433.398541][   T10]      netdev_get_by_index+0x5e/0x80
[ 9433.398541][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9433.398541][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9433.398541][   T10]      ip6_route_add+0x1c/0x140
[ 9433.398541][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9433.398541][   T10]      addrconf_add_dev+0xe2/0x170
[ 9433.398541][   T10]      inet6_addr_add+0x12f/0xa40
[ 9433.398541][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9433.398541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.398541][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.398541][   T10]      netlink_unicast+0x449/0x710
[ 9433.398541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.398541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.398541][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.398541][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.398541][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.398541][   T10] 
[ 9433.400818][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9433.400818][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9433.400818][   T10]      ipv6_find_idev+0x102/0x170
[ 9433.400818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9433.400818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.400818][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.400818][   T10]      netlink_unicast+0x449/0x710
[ 9433.400818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.400818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.400818][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.400818][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.400818][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.400818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.400818][   T10] 
[ 9433.402607][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9433.402607][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9433.402607][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9433.402607][   T10]      ipv6_find_idev+0x102/0x170
[ 9433.402607][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9433.402607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9433.402607][   T10]      netlink_rcv_skb+0x130/0x360
[ 9433.402607][   T10]      netlink_unicast+0x449/0x710
[ 9433.402607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9433.402607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9433.402607][   T10]      ___sys_sendmsg+0xee/0x170
[ 9433.402607][   T10]      __sys_sendmsg+0xcd/0x170
[ 9433.402607][   T10]      do_syscall_64+0xc6/0x1e0
[ 9433.402607][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9433.402607][   T10] 
[ 9434.322807][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9434.323305][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9434.323305][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9434.323305][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9434.323305][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9434.323305][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9434.323305][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9434.323305][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9434.323305][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9434.323305][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9434.323305][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9434.323305][ T1078]      netlink_unicast+0x449/0x710
[ 9434.323305][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9434.323305][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9434.323305][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9434.323305][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9434.323305][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9434.323305][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9434.323305][ T1078] 
[ 9434.325624][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9434.325624][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9434.325624][ T1078]      ipv6_find_idev+0x102/0x170
[ 9434.325624][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9434.325624][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9434.325624][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9434.325624][ T1078]      netlink_unicast+0x449/0x710
[ 9434.325624][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9434.325624][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9434.325624][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9434.325624][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9434.325624][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9434.325624][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9434.325624][ T1078] 
[ 9434.327391][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9434.327391][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9434.327391][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9434.327391][ T1078]      ipv6_find_idev+0x102/0x170
[ 9434.327391][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9434.327391][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9434.327391][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9434.327391][ T1078]      netlink_unicast+0x449/0x710
[ 9434.327391][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9434.327391][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9434.327391][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9434.327391][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9434.327391][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9434.327391][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9434.327391][ T1078] 
[ 9443.530833][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9443.531319][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9443.531319][   T10]      netdev_get_by_index+0x5e/0x80
[ 9443.531319][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9443.531319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9443.531319][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9443.531319][   T10]      ipv6_add_addr+0x411/0x2000
[ 9443.531319][   T10]      inet6_addr_add+0x30e/0xa40
[ 9443.531319][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9443.531319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.531319][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.531319][   T10]      netlink_unicast+0x449/0x710
[ 9443.531319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.531319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.531319][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.531319][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.531319][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.531319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.531319][   T10] 
[ 9443.533385][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9443.533385][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9443.533385][   T10]      ipv6_find_idev+0x102/0x170
[ 9443.533385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9443.533385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.533385][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.533385][   T10]      netlink_unicast+0x449/0x710
[ 9443.533385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.533385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.533385][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.533385][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.533385][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.533385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.533385][   T10] 
[ 9443.534956][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9443.534956][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9443.534956][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9443.534956][   T10]      ipv6_find_idev+0x102/0x170
[ 9443.534956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9443.534956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.534956][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.534956][   T10]      netlink_unicast+0x449/0x710
[ 9443.534956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.534956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.534956][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.534956][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.534956][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.534956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.534956][   T10] 
[ 9443.536675][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9443.536936][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9443.536936][   T10]      netdev_get_by_index+0x5e/0x80
[ 9443.536936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9443.536936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9443.536936][   T10]      ip6_route_add+0x1c/0x140
[ 9443.536936][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9443.536936][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9443.536936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9443.536936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.536936][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.536936][   T10]      netlink_unicast+0x449/0x710
[ 9443.536936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.536936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.536936][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.536936][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.536936][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.536936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.536936][   T10] 
[ 9443.538973][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9443.538973][   T10]      netdev_get_by_index+0x5e/0x80
[ 9443.538973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9443.538973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9443.538973][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9443.538973][   T10]      ipv6_add_addr+0x411/0x2000
[ 9443.538973][   T10]      inet6_addr_add+0x30e/0xa40
[ 9443.538973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9443.538973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.538973][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.538973][   T10]      netlink_unicast+0x449/0x710
[ 9443.538973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.538973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.538973][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.538973][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.538973][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.538973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.538973][   T10] 
[ 9443.541027][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9443.541027][   T10]      netdev_get_by_index+0x5e/0x80
[ 9443.541027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9443.541027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9443.541027][   T10]      ip6_route_add+0x1c/0x140
[ 9443.541027][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9443.541027][   T10]      addrconf_add_dev+0xe2/0x170
[ 9443.541027][   T10]      inet6_addr_add+0x12f/0xa40
[ 9443.541027][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9443.541027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.541027][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.541027][   T10]      netlink_unicast+0x449/0x710
[ 9443.541027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.541027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.541027][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.541027][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.541027][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.541027][   T10] 
[ 9443.543034][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9443.543034][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9443.543034][   T10]      ipv6_find_idev+0x102/0x170
[ 9443.543034][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9443.543034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.543034][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.543034][   T10]      netlink_unicast+0x449/0x710
[ 9443.543034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.543034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.543034][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.543034][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.543034][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.543034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.543034][   T10] 
[ 9443.544606][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9443.544606][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9443.544606][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9443.544606][   T10]      ipv6_find_idev+0x102/0x170
[ 9443.544606][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9443.544606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9443.544606][   T10]      netlink_rcv_skb+0x130/0x360
[ 9443.544606][   T10]      netlink_unicast+0x449/0x710
[ 9443.544606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9443.544606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9443.544606][   T10]      ___sys_sendmsg+0xee/0x170
[ 9443.544606][   T10]      __sys_sendmsg+0xcd/0x170
[ 9443.544606][   T10]      do_syscall_64+0xc6/0x1e0
[ 9443.544606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9443.544606][   T10] 
[ 9444.570798][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9444.571352][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9444.571352][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9444.571352][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9444.571352][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9444.571352][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9444.571352][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9444.571352][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9444.571352][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9444.571352][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9444.571352][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9444.571352][ T1078]      netlink_unicast+0x449/0x710
[ 9444.571352][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9444.571352][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9444.571352][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9444.571352][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9444.571352][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9444.571352][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9444.571352][ T1078] 
[ 9444.573697][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9444.573697][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9444.573697][ T1078]      ipv6_find_idev+0x102/0x170
[ 9444.573697][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9444.573697][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9444.573697][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9444.573697][ T1078]      netlink_unicast+0x449/0x710
[ 9444.573697][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9444.573697][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9444.573697][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9444.573697][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9444.573697][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9444.573697][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9444.573697][ T1078] 
[ 9444.575472][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9444.575472][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9444.575472][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9444.575472][ T1078]      ipv6_find_idev+0x102/0x170
[ 9444.575472][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9444.575472][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9444.575472][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9444.575472][ T1078]      netlink_unicast+0x449/0x710
[ 9444.575472][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9444.575472][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9444.575472][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9444.575472][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9444.575472][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9444.575472][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9444.575472][ T1078] 
[ 9453.786824][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9453.787302][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9453.787302][   T10]      netdev_get_by_index+0x5e/0x80
[ 9453.787302][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9453.787302][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9453.787302][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9453.787302][   T10]      ipv6_add_addr+0x411/0x2000
[ 9453.787302][   T10]      inet6_addr_add+0x30e/0xa40
[ 9453.787302][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9453.787302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.787302][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.787302][   T10]      netlink_unicast+0x449/0x710
[ 9453.787302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.787302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.787302][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.787302][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.787302][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.787302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.787302][   T10] 
[ 9453.789362][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9453.789362][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9453.789362][   T10]      ipv6_find_idev+0x102/0x170
[ 9453.789362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9453.789362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.789362][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.789362][   T10]      netlink_unicast+0x449/0x710
[ 9453.789362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.789362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.789362][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.789362][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.789362][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.789362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.789362][   T10] 
[ 9453.790958][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9453.790958][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9453.790958][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9453.790958][   T10]      ipv6_find_idev+0x102/0x170
[ 9453.790958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9453.790958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.790958][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.790958][   T10]      netlink_unicast+0x449/0x710
[ 9453.790958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.790958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.790958][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.790958][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.790958][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.790958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.790958][   T10] 
[ 9453.792705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9453.792951][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9453.792951][   T10]      netdev_get_by_index+0x5e/0x80
[ 9453.792951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9453.792951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9453.792951][   T10]      ip6_route_add+0x1c/0x140
[ 9453.792951][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9453.792951][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9453.792951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9453.792951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.792951][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.792951][   T10]      netlink_unicast+0x449/0x710
[ 9453.792951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.792951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.792951][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.792951][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.792951][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.792951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.792951][   T10] 
[ 9453.794992][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9453.794992][   T10]      netdev_get_by_index+0x5e/0x80
[ 9453.794992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9453.794992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9453.794992][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9453.794992][   T10]      ipv6_add_addr+0x411/0x2000
[ 9453.794992][   T10]      inet6_addr_add+0x30e/0xa40
[ 9453.794992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9453.794992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.794992][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.794992][   T10]      netlink_unicast+0x449/0x710
[ 9453.794992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.794992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.794992][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.794992][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.794992][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.794992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.794992][   T10] 
[ 9453.797051][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9453.797051][   T10]      netdev_get_by_index+0x5e/0x80
[ 9453.797051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9453.797051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9453.797051][   T10]      ip6_route_add+0x1c/0x140
[ 9453.797051][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9453.797051][   T10]      addrconf_add_dev+0xe2/0x170
[ 9453.797051][   T10]      inet6_addr_add+0x12f/0xa40
[ 9453.797051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9453.797051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.797051][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.797051][   T10]      netlink_unicast+0x449/0x710
[ 9453.797051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.797051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.797051][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.797051][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.797051][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.797051][   T10] 
[ 9453.799057][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9453.799057][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9453.799057][   T10]      ipv6_find_idev+0x102/0x170
[ 9453.799057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9453.799057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.799057][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.799057][   T10]      netlink_unicast+0x449/0x710
[ 9453.799057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.799057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.799057][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.799057][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.799057][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.799057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.799057][   T10] 
[ 9453.800645][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9453.800645][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9453.800645][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9453.800645][   T10]      ipv6_find_idev+0x102/0x170
[ 9453.800645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9453.800645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9453.800645][   T10]      netlink_rcv_skb+0x130/0x360
[ 9453.800645][   T10]      netlink_unicast+0x449/0x710
[ 9453.800645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9453.800645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9453.800645][   T10]      ___sys_sendmsg+0xee/0x170
[ 9453.800645][   T10]      __sys_sendmsg+0xcd/0x170
[ 9453.800645][   T10]      do_syscall_64+0xc6/0x1e0
[ 9453.800645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9453.800645][   T10] 
[ 9454.818734][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9454.819283][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9454.819283][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9454.819283][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9454.819283][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9454.819283][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9454.819283][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9454.819283][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9454.819283][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9454.819283][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9454.819283][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9454.819283][ T1078]      netlink_unicast+0x449/0x710
[ 9454.819283][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9454.819283][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9454.819283][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9454.819283][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9454.819283][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9454.819283][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9454.819283][ T1078] 
[ 9454.821595][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9454.821595][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9454.821595][ T1078]      ipv6_find_idev+0x102/0x170
[ 9454.821595][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9454.821595][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9454.821595][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9454.821595][ T1078]      netlink_unicast+0x449/0x710
[ 9454.821595][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9454.821595][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9454.821595][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9454.821595][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9454.821595][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9454.821595][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9454.821595][ T1078] 
[ 9454.823364][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9454.823364][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9454.823364][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9454.823364][ T1078]      ipv6_find_idev+0x102/0x170
[ 9454.823364][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9454.823364][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9454.823364][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9454.823364][ T1078]      netlink_unicast+0x449/0x710
[ 9454.823364][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9454.823364][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9454.823364][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9454.823364][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9454.823364][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9454.823364][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9454.823364][ T1078] 
[ 9464.042870][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9464.043533][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9464.043533][   T10]      netdev_get_by_index+0x5e/0x80
[ 9464.043533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9464.043533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9464.043533][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9464.043533][   T10]      ipv6_add_addr+0x411/0x2000
[ 9464.043533][   T10]      inet6_addr_add+0x30e/0xa40
[ 9464.043533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9464.043533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.043533][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.043533][   T10]      netlink_unicast+0x449/0x710
[ 9464.043533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.043533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.043533][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.043533][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.043533][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.043533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.043533][   T10] 
[ 9464.045826][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9464.045826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9464.045826][   T10]      ipv6_find_idev+0x102/0x170
[ 9464.045826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9464.045826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.045826][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.045826][   T10]      netlink_unicast+0x449/0x710
[ 9464.045826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.045826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.045826][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.045826][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.045826][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.045826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.045826][   T10] 
[ 9464.047933][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9464.047933][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9464.047933][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9464.047933][   T10]      ipv6_find_idev+0x102/0x170
[ 9464.047933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9464.047933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.047933][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.047933][   T10]      netlink_unicast+0x449/0x710
[ 9464.047933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.047933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.047933][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.047933][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.047933][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.047933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.047933][   T10] 
[ 9464.049879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9464.050159][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9464.050159][   T10]      netdev_get_by_index+0x5e/0x80
[ 9464.050159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9464.050159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9464.050159][   T10]      ip6_route_add+0x1c/0x140
[ 9464.050159][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9464.050159][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9464.050159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9464.050159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.050159][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.050159][   T10]      netlink_unicast+0x449/0x710
[ 9464.050159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.050159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.050159][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.050159][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.050159][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.050159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.050159][   T10] 
[ 9464.052456][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9464.052456][   T10]      netdev_get_by_index+0x5e/0x80
[ 9464.052456][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9464.052456][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9464.052456][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9464.052456][   T10]      ipv6_add_addr+0x411/0x2000
[ 9464.052456][   T10]      inet6_addr_add+0x30e/0xa40
[ 9464.052456][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9464.052456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.052456][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.052456][   T10]      netlink_unicast+0x449/0x710
[ 9464.052456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.052456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.052456][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.052456][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.052456][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.052456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.052456][   T10] 
[ 9464.054755][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9464.054755][   T10]      netdev_get_by_index+0x5e/0x80
[ 9464.054755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9464.054755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9464.054755][   T10]      ip6_route_add+0x1c/0x140
[ 9464.054755][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9464.054755][   T10]      addrconf_add_dev+0xe2/0x170
[ 9464.054755][   T10]      inet6_addr_add+0x12f/0xa40
[ 9464.054755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9464.054755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.054755][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.054755][   T10]      netlink_unicast+0x449/0x710
[ 9464.054755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.054755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.054755][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.054755][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.054755][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.054755][   T10] 
[ 9464.056975][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9464.056975][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9464.056975][   T10]      ipv6_find_idev+0x102/0x170
[ 9464.056975][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9464.056975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.056975][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.056975][   T10]      netlink_unicast+0x449/0x710
[ 9464.056975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.056975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.056975][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.056975][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.056975][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.056975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.056975][   T10] 
[ 9464.058701][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9464.058701][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9464.058701][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9464.058701][   T10]      ipv6_find_idev+0x102/0x170
[ 9464.058701][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9464.058701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9464.058701][   T10]      netlink_rcv_skb+0x130/0x360
[ 9464.058701][   T10]      netlink_unicast+0x449/0x710
[ 9464.058701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9464.058701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9464.058701][   T10]      ___sys_sendmsg+0xee/0x170
[ 9464.058701][   T10]      __sys_sendmsg+0xcd/0x170
[ 9464.058701][   T10]      do_syscall_64+0xc6/0x1e0
[ 9464.058701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9464.058701][   T10] 
[ 9465.066918][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9465.067426][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9465.067426][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9465.067426][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9465.067426][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9465.067426][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9465.067426][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9465.067426][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9465.067426][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9465.067426][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9465.067426][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9465.067426][ T1078]      netlink_unicast+0x449/0x710
[ 9465.067426][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9465.067426][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9465.067426][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9465.067426][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9465.067426][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9465.067426][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9465.067426][ T1078] 
[ 9465.069732][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9465.069732][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9465.069732][ T1078]      ipv6_find_idev+0x102/0x170
[ 9465.069732][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9465.069732][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9465.069732][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9465.069732][ T1078]      netlink_unicast+0x449/0x710
[ 9465.069732][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9465.069732][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9465.069732][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9465.069732][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9465.069732][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9465.069732][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9465.069732][ T1078] 
[ 9465.071513][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9465.071513][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9465.071513][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9465.071513][ T1078]      ipv6_find_idev+0x102/0x170
[ 9465.071513][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9465.071513][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9465.071513][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9465.071513][ T1078]      netlink_unicast+0x449/0x710
[ 9465.071513][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9465.071513][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9465.071513][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9465.071513][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9465.071513][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9465.071513][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9465.071513][ T1078] 
[ 9474.298865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9474.299581][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9474.299581][   T10]      netdev_get_by_index+0x5e/0x80
[ 9474.299581][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9474.299581][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9474.299581][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9474.299581][   T10]      ipv6_add_addr+0x411/0x2000
[ 9474.299581][   T10]      inet6_addr_add+0x30e/0xa40
[ 9474.299581][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9474.299581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.299581][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.299581][   T10]      netlink_unicast+0x449/0x710
[ 9474.299581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.299581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.299581][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.299581][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.299581][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.299581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.299581][   T10] 
[ 9474.301992][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9474.301992][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9474.301992][   T10]      ipv6_find_idev+0x102/0x170
[ 9474.301992][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9474.301992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.301992][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.301992][   T10]      netlink_unicast+0x449/0x710
[ 9474.301992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.301992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.301992][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.301992][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.301992][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.301992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.301992][   T10] 
[ 9474.303865][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9474.303865][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9474.303865][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9474.303865][   T10]      ipv6_find_idev+0x102/0x170
[ 9474.303865][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9474.303865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.303865][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.303865][   T10]      netlink_unicast+0x449/0x710
[ 9474.303865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.303865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.303865][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.303865][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.303865][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.303865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.303865][   T10] 
[ 9474.305872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9474.306138][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9474.306138][   T10]      netdev_get_by_index+0x5e/0x80
[ 9474.306138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9474.306138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9474.306138][   T10]      ip6_route_add+0x1c/0x140
[ 9474.306138][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9474.306138][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9474.306138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9474.306138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.306138][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.306138][   T10]      netlink_unicast+0x449/0x710
[ 9474.306138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.306138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.306138][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.306138][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.306138][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.306138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.306138][   T10] 
[ 9474.308489][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9474.308489][   T10]      netdev_get_by_index+0x5e/0x80
[ 9474.308489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9474.308489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9474.308489][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9474.308489][   T10]      ipv6_add_addr+0x411/0x2000
[ 9474.308489][   T10]      inet6_addr_add+0x30e/0xa40
[ 9474.308489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9474.308489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.308489][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.308489][   T10]      netlink_unicast+0x449/0x710
[ 9474.308489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.308489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.308489][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.308489][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.308489][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.308489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.308489][   T10] 
[ 9474.310827][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9474.310827][   T10]      netdev_get_by_index+0x5e/0x80
[ 9474.310827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9474.310827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9474.310827][   T10]      ip6_route_add+0x1c/0x140
[ 9474.310827][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9474.310827][   T10]      addrconf_add_dev+0xe2/0x170
[ 9474.310827][   T10]      inet6_addr_add+0x12f/0xa40
[ 9474.310827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9474.310827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.310827][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.310827][   T10]      netlink_unicast+0x449/0x710
[ 9474.310827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.310827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.310827][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.310827][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.310827][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.310827][   T10] 
[ 9474.313119][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9474.313119][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9474.313119][   T10]      ipv6_find_idev+0x102/0x170
[ 9474.313119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9474.313119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.313119][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.313119][   T10]      netlink_unicast+0x449/0x710
[ 9474.313119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.313119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.313119][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.313119][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.313119][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.313119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.313119][   T10] 
[ 9474.314924][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9474.314924][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9474.314924][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9474.314924][   T10]      ipv6_find_idev+0x102/0x170
[ 9474.314924][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9474.314924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9474.314924][   T10]      netlink_rcv_skb+0x130/0x360
[ 9474.314924][   T10]      netlink_unicast+0x449/0x710
[ 9474.314924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9474.314924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9474.314924][   T10]      ___sys_sendmsg+0xee/0x170
[ 9474.314924][   T10]      __sys_sendmsg+0xcd/0x170
[ 9474.314924][   T10]      do_syscall_64+0xc6/0x1e0
[ 9474.314924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9474.314924][   T10] 
[ 9475.314918][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9475.315434][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9475.315434][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9475.315434][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9475.315434][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9475.315434][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9475.315434][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9475.315434][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9475.315434][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9475.315434][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9475.315434][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9475.315434][ T1078]      netlink_unicast+0x449/0x710
[ 9475.315434][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9475.315434][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9475.315434][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9475.315434][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9475.315434][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9475.315434][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9475.315434][ T1078] 
[ 9475.317737][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9475.317737][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9475.317737][ T1078]      ipv6_find_idev+0x102/0x170
[ 9475.317737][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9475.317737][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9475.317737][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9475.317737][ T1078]      netlink_unicast+0x449/0x710
[ 9475.317737][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9475.317737][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9475.317737][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9475.317737][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9475.317737][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9475.317737][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9475.317737][ T1078] 
[ 9475.319500][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9475.319500][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9475.319500][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9475.319500][ T1078]      ipv6_find_idev+0x102/0x170
[ 9475.319500][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9475.319500][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9475.319500][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9475.319500][ T1078]      netlink_unicast+0x449/0x710
[ 9475.319500][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9475.319500][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9475.319500][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9475.319500][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9475.319500][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9475.319500][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9475.319500][ T1078] 
[ 9484.554851][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9484.555364][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9484.555364][   T10]      netdev_get_by_index+0x5e/0x80
[ 9484.555364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9484.555364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9484.555364][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9484.555364][   T10]      ipv6_add_addr+0x411/0x2000
[ 9484.555364][   T10]      inet6_addr_add+0x30e/0xa40
[ 9484.555364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9484.555364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.555364][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.555364][   T10]      netlink_unicast+0x449/0x710
[ 9484.555364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.555364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.555364][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.555364][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.555364][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.555364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.555364][   T10] 
[ 9484.557686][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9484.557686][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9484.557686][   T10]      ipv6_find_idev+0x102/0x170
[ 9484.557686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9484.557686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.557686][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.557686][   T10]      netlink_unicast+0x449/0x710
[ 9484.557686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.557686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.557686][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.557686][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.557686][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.557686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.557686][   T10] 
[ 9484.559483][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9484.559483][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9484.559483][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9484.559483][   T10]      ipv6_find_idev+0x102/0x170
[ 9484.559483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9484.559483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.559483][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.559483][   T10]      netlink_unicast+0x449/0x710
[ 9484.559483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.559483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.559483][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.559483][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.559483][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.559483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.559483][   T10] 
[ 9484.561463][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9484.561746][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9484.561746][   T10]      netdev_get_by_index+0x5e/0x80
[ 9484.561746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9484.561746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9484.561746][   T10]      ip6_route_add+0x1c/0x140
[ 9484.561746][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9484.561746][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9484.561746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9484.561746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.561746][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.561746][   T10]      netlink_unicast+0x449/0x710
[ 9484.561746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.561746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.561746][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.561746][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.561746][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.561746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.561746][   T10] 
[ 9484.564089][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9484.564089][   T10]      netdev_get_by_index+0x5e/0x80
[ 9484.564089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9484.564089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9484.564089][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9484.564089][   T10]      ipv6_add_addr+0x411/0x2000
[ 9484.564089][   T10]      inet6_addr_add+0x30e/0xa40
[ 9484.564089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9484.564089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.564089][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.564089][   T10]      netlink_unicast+0x449/0x710
[ 9484.564089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.564089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.564089][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.564089][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.564089][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.564089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.564089][   T10] 
[ 9484.566404][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9484.566404][   T10]      netdev_get_by_index+0x5e/0x80
[ 9484.566404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9484.566404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9484.566404][   T10]      ip6_route_add+0x1c/0x140
[ 9484.566404][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9484.566404][   T10]      addrconf_add_dev+0xe2/0x170
[ 9484.566404][   T10]      inet6_addr_add+0x12f/0xa40
[ 9484.566404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9484.566404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.566404][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.566404][   T10]      netlink_unicast+0x449/0x710
[ 9484.566404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.566404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.566404][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.566404][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.566404][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.566404][   T10] 
[ 9484.568698][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9484.568698][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9484.568698][   T10]      ipv6_find_idev+0x102/0x170
[ 9484.568698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9484.568698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.568698][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.568698][   T10]      netlink_unicast+0x449/0x710
[ 9484.568698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.568698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.568698][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.568698][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.568698][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.568698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.568698][   T10] 
[ 9484.570499][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9484.570499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9484.570499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9484.570499][   T10]      ipv6_find_idev+0x102/0x170
[ 9484.570499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9484.570499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9484.570499][   T10]      netlink_rcv_skb+0x130/0x360
[ 9484.570499][   T10]      netlink_unicast+0x449/0x710
[ 9484.570499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9484.570499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9484.570499][   T10]      ___sys_sendmsg+0xee/0x170
[ 9484.570499][   T10]      __sys_sendmsg+0xcd/0x170
[ 9484.570499][   T10]      do_syscall_64+0xc6/0x1e0
[ 9484.570499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9484.570499][   T10] 
[ 9485.562736][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9485.563257][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9485.563257][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9485.563257][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9485.563257][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9485.563257][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9485.563257][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9485.563257][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9485.563257][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9485.563257][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9485.563257][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9485.563257][ T1078]      netlink_unicast+0x449/0x710
[ 9485.563257][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9485.563257][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9485.563257][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9485.563257][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9485.563257][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9485.563257][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9485.563257][ T1078] 
[ 9485.565601][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9485.565601][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9485.565601][ T1078]      ipv6_find_idev+0x102/0x170
[ 9485.565601][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9485.565601][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9485.565601][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9485.565601][ T1078]      netlink_unicast+0x449/0x710
[ 9485.565601][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9485.565601][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9485.565601][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9485.565601][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9485.565601][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9485.565601][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9485.565601][ T1078] 
[ 9485.567386][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9485.567386][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9485.567386][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9485.567386][ T1078]      ipv6_find_idev+0x102/0x170
[ 9485.567386][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9485.567386][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9485.567386][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9485.567386][ T1078]      netlink_unicast+0x449/0x710
[ 9485.567386][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9485.567386][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9485.567386][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9485.567386][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9485.567386][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9485.567386][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9485.567386][ T1078] 
[ 9494.810871][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9494.811394][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9494.811394][   T10]      netdev_get_by_index+0x5e/0x80
[ 9494.811394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9494.811394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9494.811394][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9494.811394][   T10]      ipv6_add_addr+0x411/0x2000
[ 9494.811394][   T10]      inet6_addr_add+0x30e/0xa40
[ 9494.811394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9494.811394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.811394][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.811394][   T10]      netlink_unicast+0x449/0x710
[ 9494.811394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.811394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.811394][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.811394][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.811394][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.811394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.811394][   T10] 
[ 9494.813654][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9494.813654][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9494.813654][   T10]      ipv6_find_idev+0x102/0x170
[ 9494.813654][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9494.813654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.813654][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.813654][   T10]      netlink_unicast+0x449/0x710
[ 9494.813654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.813654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.813654][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.813654][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.813654][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.813654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.813654][   T10] 
[ 9494.815434][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9494.815434][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9494.815434][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9494.815434][   T10]      ipv6_find_idev+0x102/0x170
[ 9494.815434][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9494.815434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.815434][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.815434][   T10]      netlink_unicast+0x449/0x710
[ 9494.815434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.815434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.815434][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.815434][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.815434][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.815434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.815434][   T10] 
[ 9494.817464][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9494.817759][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9494.817759][   T10]      netdev_get_by_index+0x5e/0x80
[ 9494.817759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9494.817759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9494.817759][   T10]      ip6_route_add+0x1c/0x140
[ 9494.817759][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9494.817759][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9494.817759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9494.817759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.817759][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.817759][   T10]      netlink_unicast+0x449/0x710
[ 9494.817759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.817759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.817759][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.817759][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.817759][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.817759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.817759][   T10] 
[ 9494.820064][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9494.820064][   T10]      netdev_get_by_index+0x5e/0x80
[ 9494.820064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9494.820064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9494.820064][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9494.820064][   T10]      ipv6_add_addr+0x411/0x2000
[ 9494.820064][   T10]      inet6_addr_add+0x30e/0xa40
[ 9494.820064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9494.820064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.820064][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.820064][   T10]      netlink_unicast+0x449/0x710
[ 9494.820064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.820064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.820064][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.820064][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.820064][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.820064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.820064][   T10] 
[ 9494.822330][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9494.822330][   T10]      netdev_get_by_index+0x5e/0x80
[ 9494.822330][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9494.822330][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9494.822330][   T10]      ip6_route_add+0x1c/0x140
[ 9494.822330][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9494.822330][   T10]      addrconf_add_dev+0xe2/0x170
[ 9494.822330][   T10]      inet6_addr_add+0x12f/0xa40
[ 9494.822330][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9494.822330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.822330][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.822330][   T10]      netlink_unicast+0x449/0x710
[ 9494.822330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.822330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.822330][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.822330][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.822330][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.822330][   T10] 
[ 9494.824593][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9494.824593][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9494.824593][   T10]      ipv6_find_idev+0x102/0x170
[ 9494.824593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9494.824593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.824593][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.824593][   T10]      netlink_unicast+0x449/0x710
[ 9494.824593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.824593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.824593][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.824593][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.824593][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.824593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.824593][   T10] 
[ 9494.826353][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9494.826353][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9494.826353][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9494.826353][   T10]      ipv6_find_idev+0x102/0x170
[ 9494.826353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9494.826353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9494.826353][   T10]      netlink_rcv_skb+0x130/0x360
[ 9494.826353][   T10]      netlink_unicast+0x449/0x710
[ 9494.826353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9494.826353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9494.826353][   T10]      ___sys_sendmsg+0xee/0x170
[ 9494.826353][   T10]      __sys_sendmsg+0xcd/0x170
[ 9494.826353][   T10]      do_syscall_64+0xc6/0x1e0
[ 9494.826353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9494.826353][   T10] 
[ 9495.810805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9495.811320][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9495.811320][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9495.811320][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9495.811320][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9495.811320][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9495.811320][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9495.811320][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9495.811320][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9495.811320][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9495.811320][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9495.811320][ T1078]      netlink_unicast+0x449/0x710
[ 9495.811320][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9495.811320][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9495.811320][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9495.811320][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9495.811320][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9495.811320][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9495.811320][ T1078] 
[ 9495.813641][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9495.813641][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9495.813641][ T1078]      ipv6_find_idev+0x102/0x170
[ 9495.813641][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9495.813641][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9495.813641][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9495.813641][ T1078]      netlink_unicast+0x449/0x710
[ 9495.813641][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9495.813641][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9495.813641][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9495.813641][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9495.813641][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9495.813641][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9495.813641][ T1078] 
[ 9495.815412][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9495.815412][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9495.815412][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9495.815412][ T1078]      ipv6_find_idev+0x102/0x170
[ 9495.815412][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9495.815412][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9495.815412][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9495.815412][ T1078]      netlink_unicast+0x449/0x710
[ 9495.815412][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9495.815412][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9495.815412][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9495.815412][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9495.815412][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9495.815412][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9495.815412][ T1078] 
[ 9505.066865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9505.067510][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9505.067510][   T10]      netdev_get_by_index+0x5e/0x80
[ 9505.067510][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9505.067510][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9505.067510][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9505.067510][   T10]      ipv6_add_addr+0x411/0x2000
[ 9505.067510][   T10]      inet6_addr_add+0x30e/0xa40
[ 9505.067510][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9505.067510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.067510][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.067510][   T10]      netlink_unicast+0x449/0x710
[ 9505.067510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.067510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.067510][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.067510][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.067510][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.067510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.067510][   T10] 
[ 9505.069887][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9505.069887][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9505.069887][   T10]      ipv6_find_idev+0x102/0x170
[ 9505.069887][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9505.069887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.069887][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.069887][   T10]      netlink_unicast+0x449/0x710
[ 9505.069887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.069887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.069887][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.069887][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.069887][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.069887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.069887][   T10] 
[ 9505.071653][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9505.071653][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9505.071653][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9505.071653][   T10]      ipv6_find_idev+0x102/0x170
[ 9505.071653][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9505.071653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.071653][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.071653][   T10]      netlink_unicast+0x449/0x710
[ 9505.071653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.071653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.071653][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.071653][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.071653][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.071653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.071653][   T10] 
[ 9505.073554][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9505.073827][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9505.073827][   T10]      netdev_get_by_index+0x5e/0x80
[ 9505.073827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9505.073827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9505.073827][   T10]      ip6_route_add+0x1c/0x140
[ 9505.073827][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9505.073827][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9505.073827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9505.073827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.073827][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.073827][   T10]      netlink_unicast+0x449/0x710
[ 9505.073827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.073827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.073827][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.073827][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.073827][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.073827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.073827][   T10] 
[ 9505.076052][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9505.076052][   T10]      netdev_get_by_index+0x5e/0x80
[ 9505.076052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9505.076052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9505.076052][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9505.076052][   T10]      ipv6_add_addr+0x411/0x2000
[ 9505.076052][   T10]      inet6_addr_add+0x30e/0xa40
[ 9505.076052][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9505.076052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.076052][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.076052][   T10]      netlink_unicast+0x449/0x710
[ 9505.076052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.076052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.076052][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.076052][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.076052][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.076052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.076052][   T10] 
[ 9505.078364][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9505.078364][   T10]      netdev_get_by_index+0x5e/0x80
[ 9505.078364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9505.078364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9505.078364][   T10]      ip6_route_add+0x1c/0x140
[ 9505.078364][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9505.078364][   T10]      addrconf_add_dev+0xe2/0x170
[ 9505.078364][   T10]      inet6_addr_add+0x12f/0xa40
[ 9505.078364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9505.078364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.078364][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.078364][   T10]      netlink_unicast+0x449/0x710
[ 9505.078364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.078364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.078364][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.078364][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.078364][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.078364][   T10] 
[ 9505.080659][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9505.080659][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9505.080659][   T10]      ipv6_find_idev+0x102/0x170
[ 9505.080659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9505.080659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.080659][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.080659][   T10]      netlink_unicast+0x449/0x710
[ 9505.080659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.080659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.080659][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.080659][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.080659][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.080659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.080659][   T10] 
[ 9505.082458][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9505.082458][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9505.082458][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9505.082458][   T10]      ipv6_find_idev+0x102/0x170
[ 9505.082458][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9505.082458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9505.082458][   T10]      netlink_rcv_skb+0x130/0x360
[ 9505.082458][   T10]      netlink_unicast+0x449/0x710
[ 9505.082458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9505.082458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9505.082458][   T10]      ___sys_sendmsg+0xee/0x170
[ 9505.082458][   T10]      __sys_sendmsg+0xcd/0x170
[ 9505.082458][   T10]      do_syscall_64+0xc6/0x1e0
[ 9505.082458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9505.082458][   T10] 
[ 9506.058808][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9506.059329][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9506.059329][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9506.059329][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9506.059329][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9506.059329][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9506.059329][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9506.059329][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9506.059329][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9506.059329][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9506.059329][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9506.059329][ T1078]      netlink_unicast+0x449/0x710
[ 9506.059329][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9506.059329][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9506.059329][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9506.059329][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9506.059329][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9506.059329][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9506.059329][ T1078] 
[ 9506.061667][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9506.061667][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9506.061667][ T1078]      ipv6_find_idev+0x102/0x170
[ 9506.061667][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9506.061667][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9506.061667][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9506.061667][ T1078]      netlink_unicast+0x449/0x710
[ 9506.061667][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9506.061667][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9506.061667][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9506.061667][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9506.061667][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9506.061667][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9506.061667][ T1078] 
[ 9506.063449][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9506.063449][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9506.063449][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9506.063449][ T1078]      ipv6_find_idev+0x102/0x170
[ 9506.063449][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9506.063449][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9506.063449][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9506.063449][ T1078]      netlink_unicast+0x449/0x710
[ 9506.063449][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9506.063449][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9506.063449][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9506.063449][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9506.063449][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9506.063449][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9506.063449][ T1078] 
[ 9515.322890][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9515.323462][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9515.323462][   T10]      netdev_get_by_index+0x5e/0x80
[ 9515.323462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9515.323462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9515.323462][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9515.323462][   T10]      ipv6_add_addr+0x411/0x2000
[ 9515.323462][   T10]      inet6_addr_add+0x30e/0xa40
[ 9515.323462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9515.323462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.323462][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.323462][   T10]      netlink_unicast+0x449/0x710
[ 9515.323462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.323462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.323462][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.323462][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.323462][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.323462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.323462][   T10] 
[ 9515.326273][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9515.326273][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9515.326273][   T10]      ipv6_find_idev+0x102/0x170
[ 9515.326273][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9515.326273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.326273][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.326273][   T10]      netlink_unicast+0x449/0x710
[ 9515.326273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.326273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.326273][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.326273][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.326273][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.326273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.326273][   T10] 
[ 9515.328019][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9515.328019][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9515.328019][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9515.328019][   T10]      ipv6_find_idev+0x102/0x170
[ 9515.328019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9515.328019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.328019][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.328019][   T10]      netlink_unicast+0x449/0x710
[ 9515.328019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.328019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.328019][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.328019][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.328019][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.328019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.328019][   T10] 
[ 9515.329954][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9515.330232][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9515.330232][   T10]      netdev_get_by_index+0x5e/0x80
[ 9515.330232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9515.330232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9515.330232][   T10]      ip6_route_add+0x1c/0x140
[ 9515.330232][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9515.330232][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9515.330232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9515.330232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.330232][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.330232][   T10]      netlink_unicast+0x449/0x710
[ 9515.330232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.330232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.330232][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.330232][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.330232][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.330232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.330232][   T10] 
[ 9515.332595][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9515.332595][   T10]      netdev_get_by_index+0x5e/0x80
[ 9515.332595][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9515.332595][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9515.332595][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9515.332595][   T10]      ipv6_add_addr+0x411/0x2000
[ 9515.332595][   T10]      inet6_addr_add+0x30e/0xa40
[ 9515.332595][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9515.332595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.332595][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.332595][   T10]      netlink_unicast+0x449/0x710
[ 9515.332595][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.332595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.332595][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.332595][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.332595][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.332595][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.332595][   T10] 
[ 9515.334884][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9515.334884][   T10]      netdev_get_by_index+0x5e/0x80
[ 9515.334884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9515.334884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9515.334884][   T10]      ip6_route_add+0x1c/0x140
[ 9515.334884][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9515.334884][   T10]      addrconf_add_dev+0xe2/0x170
[ 9515.334884][   T10]      inet6_addr_add+0x12f/0xa40
[ 9515.334884][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9515.334884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.334884][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.334884][   T10]      netlink_unicast+0x449/0x710
[ 9515.334884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.334884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.334884][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.334884][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.334884][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.334884][   T10] 
[ 9515.337116][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9515.337116][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9515.337116][   T10]      ipv6_find_idev+0x102/0x170
[ 9515.337116][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9515.337116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.337116][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.337116][   T10]      netlink_unicast+0x449/0x710
[ 9515.337116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.337116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.337116][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.337116][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.337116][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.337116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.337116][   T10] 
[ 9515.338939][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9515.338939][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9515.338939][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9515.338939][   T10]      ipv6_find_idev+0x102/0x170
[ 9515.338939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9515.338939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9515.338939][   T10]      netlink_rcv_skb+0x130/0x360
[ 9515.338939][   T10]      netlink_unicast+0x449/0x710
[ 9515.338939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9515.338939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9515.338939][   T10]      ___sys_sendmsg+0xee/0x170
[ 9515.338939][   T10]      __sys_sendmsg+0xcd/0x170
[ 9515.338939][   T10]      do_syscall_64+0xc6/0x1e0
[ 9515.338939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9515.338939][   T10] 
[ 9516.306798][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9516.307311][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9516.307311][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9516.307311][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9516.307311][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9516.307311][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9516.307311][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9516.307311][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9516.307311][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9516.307311][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9516.307311][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9516.307311][ T1078]      netlink_unicast+0x449/0x710
[ 9516.307311][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9516.307311][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9516.307311][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9516.307311][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9516.307311][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9516.307311][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9516.307311][ T1078] 
[ 9516.309615][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9516.309615][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9516.309615][ T1078]      ipv6_find_idev+0x102/0x170
[ 9516.309615][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9516.309615][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9516.309615][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9516.309615][ T1078]      netlink_unicast+0x449/0x710
[ 9516.309615][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9516.309615][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9516.309615][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9516.309615][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9516.309615][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9516.309615][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9516.309615][ T1078] 
[ 9516.311387][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9516.311387][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9516.311387][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9516.311387][ T1078]      ipv6_find_idev+0x102/0x170
[ 9516.311387][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9516.311387][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9516.311387][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9516.311387][ T1078]      netlink_unicast+0x449/0x710
[ 9516.311387][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9516.311387][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9516.311387][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9516.311387][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9516.311387][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9516.311387][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9516.311387][ T1078] 
[ 9525.362761][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9525.363258][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9525.363258][   T10]      netdev_get_by_index+0x5e/0x80
[ 9525.363258][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9525.363258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9525.363258][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9525.363258][   T10]      ipv6_add_addr+0x411/0x2000
[ 9525.363258][   T10]      inet6_addr_add+0x30e/0xa40
[ 9525.363258][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9525.363258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.363258][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.363258][   T10]      netlink_unicast+0x449/0x710
[ 9525.363258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.363258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.363258][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.363258][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.363258][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.363258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.363258][   T10] 
[ 9525.365304][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9525.365304][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9525.365304][   T10]      ipv6_find_idev+0x102/0x170
[ 9525.365304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9525.365304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.365304][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.365304][   T10]      netlink_unicast+0x449/0x710
[ 9525.365304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.365304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.365304][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.365304][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.365304][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.365304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.365304][   T10] 
[ 9525.366885][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9525.366885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9525.366885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9525.366885][   T10]      ipv6_find_idev+0x102/0x170
[ 9525.366885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9525.366885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.366885][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.366885][   T10]      netlink_unicast+0x449/0x710
[ 9525.366885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.366885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.366885][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.366885][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.366885][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.366885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.366885][   T10] 
[ 9525.368635][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9525.368898][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9525.368898][   T10]      netdev_get_by_index+0x5e/0x80
[ 9525.368898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9525.368898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9525.368898][   T10]      ip6_route_add+0x1c/0x140
[ 9525.368898][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9525.368898][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9525.368898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9525.368898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.368898][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.368898][   T10]      netlink_unicast+0x449/0x710
[ 9525.368898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.368898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.368898][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.368898][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.368898][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.368898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.368898][   T10] 
[ 9525.370936][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9525.370936][   T10]      netdev_get_by_index+0x5e/0x80
[ 9525.370936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9525.370936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9525.370936][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9525.370936][   T10]      ipv6_add_addr+0x411/0x2000
[ 9525.370936][   T10]      inet6_addr_add+0x30e/0xa40
[ 9525.370936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9525.370936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.370936][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.370936][   T10]      netlink_unicast+0x449/0x710
[ 9525.370936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.370936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.370936][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.370936][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.370936][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.370936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.370936][   T10] 
[ 9525.372960][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9525.372960][   T10]      netdev_get_by_index+0x5e/0x80
[ 9525.372960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9525.372960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9525.372960][   T10]      ip6_route_add+0x1c/0x140
[ 9525.372960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9525.372960][   T10]      addrconf_add_dev+0xe2/0x170
[ 9525.372960][   T10]      inet6_addr_add+0x12f/0xa40
[ 9525.372960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9525.372960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.372960][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.372960][   T10]      netlink_unicast+0x449/0x710
[ 9525.372960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.372960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.372960][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.372960][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.372960][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.372960][   T10] 
[ 9525.374939][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9525.374939][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9525.374939][   T10]      ipv6_find_idev+0x102/0x170
[ 9525.374939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9525.374939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.374939][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.374939][   T10]      netlink_unicast+0x449/0x710
[ 9525.374939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.374939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.374939][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.374939][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.374939][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.374939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.374939][   T10] 
[ 9525.376526][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9525.376526][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9525.376526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9525.376526][   T10]      ipv6_find_idev+0x102/0x170
[ 9525.376526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9525.376526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9525.376526][   T10]      netlink_rcv_skb+0x130/0x360
[ 9525.376526][   T10]      netlink_unicast+0x449/0x710
[ 9525.376526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9525.376526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9525.376526][   T10]      ___sys_sendmsg+0xee/0x170
[ 9525.376526][   T10]      __sys_sendmsg+0xcd/0x170
[ 9525.376526][   T10]      do_syscall_64+0xc6/0x1e0
[ 9525.376526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9525.376526][   T10] 
[ 9526.554825][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9526.555371][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9526.555371][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9526.555371][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9526.555371][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9526.555371][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9526.555371][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9526.555371][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9526.555371][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9526.555371][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9526.555371][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9526.555371][ T1078]      netlink_unicast+0x449/0x710
[ 9526.555371][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9526.555371][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9526.555371][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9526.555371][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9526.555371][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9526.555371][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9526.555371][ T1078] 
[ 9526.558245][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9526.558245][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9526.558245][ T1078]      ipv6_find_idev+0x102/0x170
[ 9526.558245][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9526.558245][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9526.558245][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9526.558245][ T1078]      netlink_unicast+0x449/0x710
[ 9526.558245][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9526.558245][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9526.558245][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9526.558245][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9526.558245][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9526.558245][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9526.558245][ T1078] 
[ 9526.560022][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9526.560022][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9526.560022][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9526.560022][ T1078]      ipv6_find_idev+0x102/0x170
[ 9526.560022][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9526.560022][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9526.560022][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9526.560022][ T1078]      netlink_unicast+0x449/0x710
[ 9526.560022][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9526.560022][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9526.560022][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9526.560022][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9526.560022][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9526.560022][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9526.560022][ T1078] 
[ 9535.618817][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9535.619297][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9535.619297][   T10]      netdev_get_by_index+0x5e/0x80
[ 9535.619297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9535.619297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9535.619297][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9535.619297][   T10]      ipv6_add_addr+0x411/0x2000
[ 9535.619297][   T10]      inet6_addr_add+0x30e/0xa40
[ 9535.619297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9535.619297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.619297][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.619297][   T10]      netlink_unicast+0x449/0x710
[ 9535.619297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.619297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.619297][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.619297][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.619297][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.619297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.619297][   T10] 
[ 9535.621393][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9535.621393][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9535.621393][   T10]      ipv6_find_idev+0x102/0x170
[ 9535.621393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9535.621393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.621393][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.621393][   T10]      netlink_unicast+0x449/0x710
[ 9535.621393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.621393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.621393][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.621393][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.621393][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.621393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.621393][   T10] 
[ 9535.622986][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9535.622986][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9535.622986][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9535.622986][   T10]      ipv6_find_idev+0x102/0x170
[ 9535.622986][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9535.622986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.622986][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.622986][   T10]      netlink_unicast+0x449/0x710
[ 9535.622986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.622986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.622986][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.622986][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.622986][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.622986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.622986][   T10] 
[ 9535.624756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9535.625002][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9535.625002][   T10]      netdev_get_by_index+0x5e/0x80
[ 9535.625002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9535.625002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9535.625002][   T10]      ip6_route_add+0x1c/0x140
[ 9535.625002][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9535.625002][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9535.625002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9535.625002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.625002][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.625002][   T10]      netlink_unicast+0x449/0x710
[ 9535.625002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.625002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.625002][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.625002][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.625002][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.625002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.625002][   T10] 
[ 9535.627472][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9535.627472][   T10]      netdev_get_by_index+0x5e/0x80
[ 9535.627472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9535.627472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9535.627472][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9535.627472][   T10]      ipv6_add_addr+0x411/0x2000
[ 9535.627472][   T10]      inet6_addr_add+0x30e/0xa40
[ 9535.627472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9535.627472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.627472][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.627472][   T10]      netlink_unicast+0x449/0x710
[ 9535.627472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.627472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.627472][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.627472][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.627472][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.627472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.627472][   T10] 
[ 9535.629504][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9535.629504][   T10]      netdev_get_by_index+0x5e/0x80
[ 9535.629504][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9535.629504][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9535.629504][   T10]      ip6_route_add+0x1c/0x140
[ 9535.629504][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9535.629504][   T10]      addrconf_add_dev+0xe2/0x170
[ 9535.629504][   T10]      inet6_addr_add+0x12f/0xa40
[ 9535.629504][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9535.629504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.629504][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.629504][   T10]      netlink_unicast+0x449/0x710
[ 9535.629504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.629504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.629504][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.629504][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.629504][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.629504][   T10] 
[ 9535.631526][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9535.631526][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9535.631526][   T10]      ipv6_find_idev+0x102/0x170
[ 9535.631526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9535.631526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.631526][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.631526][   T10]      netlink_unicast+0x449/0x710
[ 9535.631526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.631526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.631526][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.631526][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.631526][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.631526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.631526][   T10] 
[ 9535.633096][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9535.633096][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9535.633096][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9535.633096][   T10]      ipv6_find_idev+0x102/0x170
[ 9535.633096][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9535.633096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9535.633096][   T10]      netlink_rcv_skb+0x130/0x360
[ 9535.633096][   T10]      netlink_unicast+0x449/0x710
[ 9535.633096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9535.633096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9535.633096][   T10]      ___sys_sendmsg+0xee/0x170
[ 9535.633096][   T10]      __sys_sendmsg+0xcd/0x170
[ 9535.633096][   T10]      do_syscall_64+0xc6/0x1e0
[ 9535.633096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9535.633096][   T10] 
[ 9536.802820][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9536.803379][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9536.803379][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9536.803379][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9536.803379][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9536.803379][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9536.803379][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9536.803379][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9536.803379][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9536.803379][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9536.803379][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9536.803379][ T1078]      netlink_unicast+0x449/0x710
[ 9536.803379][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9536.803379][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9536.803379][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9536.803379][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9536.803379][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9536.803379][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9536.803379][ T1078] 
[ 9536.805702][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9536.805702][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9536.805702][ T1078]      ipv6_find_idev+0x102/0x170
[ 9536.805702][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9536.805702][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9536.805702][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9536.805702][ T1078]      netlink_unicast+0x449/0x710
[ 9536.805702][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9536.805702][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9536.805702][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9536.805702][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9536.805702][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9536.805702][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9536.805702][ T1078] 
[ 9536.807471][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9536.807471][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9536.807471][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9536.807471][ T1078]      ipv6_find_idev+0x102/0x170
[ 9536.807471][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9536.807471][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9536.807471][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9536.807471][ T1078]      netlink_unicast+0x449/0x710
[ 9536.807471][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9536.807471][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9536.807471][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9536.807471][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9536.807471][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9536.807471][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9536.807471][ T1078] 
[ 9545.666790][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9545.667204][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9545.667204][   T10]      netdev_get_by_index+0x5e/0x80
[ 9545.667204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9545.667204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9545.667204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9545.667204][   T10]      ipv6_add_addr+0x411/0x2000
[ 9545.667204][   T10]      inet6_addr_add+0x30e/0xa40
[ 9545.667204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9545.667204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.667204][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.667204][   T10]      netlink_unicast+0x449/0x710
[ 9545.667204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.667204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.667204][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.667204][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.667204][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.667204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.667204][   T10] 
[ 9545.669289][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9545.669289][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9545.669289][   T10]      ipv6_find_idev+0x102/0x170
[ 9545.669289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9545.669289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.669289][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.669289][   T10]      netlink_unicast+0x449/0x710
[ 9545.669289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.669289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.669289][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.669289][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.669289][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.669289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.669289][   T10] 
[ 9545.670878][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9545.670878][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9545.670878][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9545.670878][   T10]      ipv6_find_idev+0x102/0x170
[ 9545.670878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9545.670878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.670878][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.670878][   T10]      netlink_unicast+0x449/0x710
[ 9545.670878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.670878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.670878][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.670878][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.670878][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.670878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.670878][   T10] 
[ 9545.672591][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9545.672854][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9545.672854][   T10]      netdev_get_by_index+0x5e/0x80
[ 9545.672854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9545.672854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9545.672854][   T10]      ip6_route_add+0x1c/0x140
[ 9545.672854][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9545.672854][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9545.672854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9545.672854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.672854][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.672854][   T10]      netlink_unicast+0x449/0x710
[ 9545.672854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.672854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.672854][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.672854][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.672854][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.672854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.672854][   T10] 
[ 9545.674899][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9545.674899][   T10]      netdev_get_by_index+0x5e/0x80
[ 9545.674899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9545.674899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9545.674899][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9545.674899][   T10]      ipv6_add_addr+0x411/0x2000
[ 9545.674899][   T10]      inet6_addr_add+0x30e/0xa40
[ 9545.674899][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9545.674899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.674899][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.674899][   T10]      netlink_unicast+0x449/0x710
[ 9545.674899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.674899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.674899][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.674899][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.674899][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.674899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.674899][   T10] 
[ 9545.676929][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9545.676929][   T10]      netdev_get_by_index+0x5e/0x80
[ 9545.676929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9545.676929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9545.676929][   T10]      ip6_route_add+0x1c/0x140
[ 9545.676929][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9545.676929][   T10]      addrconf_add_dev+0xe2/0x170
[ 9545.676929][   T10]      inet6_addr_add+0x12f/0xa40
[ 9545.676929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9545.676929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.676929][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.676929][   T10]      netlink_unicast+0x449/0x710
[ 9545.676929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.676929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.676929][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.676929][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.676929][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.676929][   T10] 
[ 9545.678917][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9545.678917][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9545.678917][   T10]      ipv6_find_idev+0x102/0x170
[ 9545.678917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9545.678917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.678917][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.678917][   T10]      netlink_unicast+0x449/0x710
[ 9545.678917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.678917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.678917][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.678917][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.678917][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.678917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.678917][   T10] 
[ 9545.680491][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9545.680491][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9545.680491][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9545.680491][   T10]      ipv6_find_idev+0x102/0x170
[ 9545.680491][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9545.680491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9545.680491][   T10]      netlink_rcv_skb+0x130/0x360
[ 9545.680491][   T10]      netlink_unicast+0x449/0x710
[ 9545.680491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9545.680491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9545.680491][   T10]      ___sys_sendmsg+0xee/0x170
[ 9545.680491][   T10]      __sys_sendmsg+0xcd/0x170
[ 9545.680491][   T10]      do_syscall_64+0xc6/0x1e0
[ 9545.680491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9545.680491][   T10] 
[ 9547.050797][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9547.051368][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9547.051368][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9547.051368][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9547.051368][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9547.051368][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9547.051368][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9547.051368][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9547.051368][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9547.051368][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9547.051368][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9547.051368][ T1078]      netlink_unicast+0x449/0x710
[ 9547.051368][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9547.051368][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9547.051368][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9547.051368][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9547.051368][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9547.051368][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9547.051368][ T1078] 
[ 9547.053685][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9547.053685][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9547.053685][ T1078]      ipv6_find_idev+0x102/0x170
[ 9547.053685][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9547.053685][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9547.053685][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9547.053685][ T1078]      netlink_unicast+0x449/0x710
[ 9547.053685][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9547.053685][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9547.053685][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9547.053685][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9547.053685][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9547.053685][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9547.053685][ T1078] 
[ 9547.055476][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9547.055476][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9547.055476][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9547.055476][ T1078]      ipv6_find_idev+0x102/0x170
[ 9547.055476][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9547.055476][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9547.055476][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9547.055476][ T1078]      netlink_unicast+0x449/0x710
[ 9547.055476][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9547.055476][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9547.055476][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9547.055476][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9547.055476][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9547.055476][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9547.055476][ T1078] 
[ 9555.922840][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9555.923318][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9555.923318][   T10]      netdev_get_by_index+0x5e/0x80
[ 9555.923318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9555.923318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9555.923318][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9555.923318][   T10]      ipv6_add_addr+0x411/0x2000
[ 9555.923318][   T10]      inet6_addr_add+0x30e/0xa40
[ 9555.923318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9555.923318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.923318][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.923318][   T10]      netlink_unicast+0x449/0x710
[ 9555.923318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.923318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.923318][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.923318][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.923318][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.923318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.923318][   T10] 
[ 9555.925378][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9555.925378][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9555.925378][   T10]      ipv6_find_idev+0x102/0x170
[ 9555.925378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9555.925378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.925378][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.925378][   T10]      netlink_unicast+0x449/0x710
[ 9555.925378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.925378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.925378][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.925378][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.925378][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.925378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.925378][   T10] 
[ 9555.926965][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9555.926965][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9555.926965][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9555.926965][   T10]      ipv6_find_idev+0x102/0x170
[ 9555.926965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9555.926965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.926965][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.926965][   T10]      netlink_unicast+0x449/0x710
[ 9555.926965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.926965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.926965][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.926965][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.926965][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.926965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.926965][   T10] 
[ 9555.928715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9555.928960][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9555.928960][   T10]      netdev_get_by_index+0x5e/0x80
[ 9555.928960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9555.928960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9555.928960][   T10]      ip6_route_add+0x1c/0x140
[ 9555.928960][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9555.928960][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9555.928960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9555.928960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.928960][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.928960][   T10]      netlink_unicast+0x449/0x710
[ 9555.928960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.928960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.928960][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.928960][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.928960][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.928960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.928960][   T10] 
[ 9555.931012][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9555.931012][   T10]      netdev_get_by_index+0x5e/0x80
[ 9555.931012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9555.931012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9555.931012][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9555.931012][   T10]      ipv6_add_addr+0x411/0x2000
[ 9555.931012][   T10]      inet6_addr_add+0x30e/0xa40
[ 9555.931012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9555.931012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.931012][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.931012][   T10]      netlink_unicast+0x449/0x710
[ 9555.931012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.931012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.931012][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.931012][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.931012][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.931012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.931012][   T10] 
[ 9555.933038][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9555.933038][   T10]      netdev_get_by_index+0x5e/0x80
[ 9555.933038][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9555.933038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9555.933038][   T10]      ip6_route_add+0x1c/0x140
[ 9555.933038][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9555.933038][   T10]      addrconf_add_dev+0xe2/0x170
[ 9555.933038][   T10]      inet6_addr_add+0x12f/0xa40
[ 9555.933038][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9555.933038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.933038][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.933038][   T10]      netlink_unicast+0x449/0x710
[ 9555.933038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.933038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.933038][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.933038][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.933038][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.933038][   T10] 
[ 9555.935031][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9555.935031][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9555.935031][   T10]      ipv6_find_idev+0x102/0x170
[ 9555.935031][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9555.935031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.935031][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.935031][   T10]      netlink_unicast+0x449/0x710
[ 9555.935031][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.935031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.935031][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.935031][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.935031][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.935031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.935031][   T10] 
[ 9555.936615][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9555.936615][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9555.936615][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9555.936615][   T10]      ipv6_find_idev+0x102/0x170
[ 9555.936615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9555.936615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9555.936615][   T10]      netlink_rcv_skb+0x130/0x360
[ 9555.936615][   T10]      netlink_unicast+0x449/0x710
[ 9555.936615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9555.936615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9555.936615][   T10]      ___sys_sendmsg+0xee/0x170
[ 9555.936615][   T10]      __sys_sendmsg+0xcd/0x170
[ 9555.936615][   T10]      do_syscall_64+0xc6/0x1e0
[ 9555.936615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9555.936615][   T10] 
[ 9557.298727][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9557.299273][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9557.299273][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9557.299273][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9557.299273][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9557.299273][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9557.299273][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9557.299273][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9557.299273][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9557.299273][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9557.299273][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9557.299273][ T1078]      netlink_unicast+0x449/0x710
[ 9557.299273][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9557.299273][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9557.299273][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9557.299273][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9557.299273][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9557.299273][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9557.299273][ T1078] 
[ 9557.301596][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9557.301596][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9557.301596][ T1078]      ipv6_find_idev+0x102/0x170
[ 9557.301596][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9557.301596][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9557.301596][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9557.301596][ T1078]      netlink_unicast+0x449/0x710
[ 9557.301596][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9557.301596][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9557.301596][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9557.301596][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9557.301596][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9557.301596][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9557.301596][ T1078] 
[ 9557.303379][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9557.303379][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9557.303379][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9557.303379][ T1078]      ipv6_find_idev+0x102/0x170
[ 9557.303379][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9557.303379][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9557.303379][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9557.303379][ T1078]      netlink_unicast+0x449/0x710
[ 9557.303379][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9557.303379][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9557.303379][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9557.303379][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9557.303379][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9557.303379][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9557.303379][ T1078] 
[ 9566.178848][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9566.179322][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9566.179322][   T10]      netdev_get_by_index+0x5e/0x80
[ 9566.179322][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9566.179322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9566.179322][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9566.179322][   T10]      ipv6_add_addr+0x411/0x2000
[ 9566.179322][   T10]      inet6_addr_add+0x30e/0xa40
[ 9566.179322][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9566.179322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.179322][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.179322][   T10]      netlink_unicast+0x449/0x710
[ 9566.179322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.179322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.179322][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.179322][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.179322][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.179322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.179322][   T10] 
[ 9566.181402][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9566.181402][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9566.181402][   T10]      ipv6_find_idev+0x102/0x170
[ 9566.181402][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9566.181402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.181402][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.181402][   T10]      netlink_unicast+0x449/0x710
[ 9566.181402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.181402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.181402][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.181402][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.181402][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.181402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.181402][   T10] 
[ 9566.182970][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9566.182970][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9566.182970][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9566.182970][   T10]      ipv6_find_idev+0x102/0x170
[ 9566.182970][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9566.182970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.182970][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.182970][   T10]      netlink_unicast+0x449/0x710
[ 9566.182970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.182970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.182970][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.182970][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.182970][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.182970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.182970][   T10] 
[ 9566.184702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9566.184946][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9566.184946][   T10]      netdev_get_by_index+0x5e/0x80
[ 9566.184946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9566.184946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9566.184946][   T10]      ip6_route_add+0x1c/0x140
[ 9566.184946][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9566.184946][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9566.184946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9566.184946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.184946][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.184946][   T10]      netlink_unicast+0x449/0x710
[ 9566.184946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.184946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.184946][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.184946][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.184946][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.184946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.184946][   T10] 
[ 9566.186974][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9566.186974][   T10]      netdev_get_by_index+0x5e/0x80
[ 9566.186974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9566.186974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9566.186974][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9566.186974][   T10]      ipv6_add_addr+0x411/0x2000
[ 9566.186974][   T10]      inet6_addr_add+0x30e/0xa40
[ 9566.186974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9566.186974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.186974][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.186974][   T10]      netlink_unicast+0x449/0x710
[ 9566.186974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.186974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.186974][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.186974][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.186974][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.186974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.186974][   T10] 
[ 9566.189016][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9566.189016][   T10]      netdev_get_by_index+0x5e/0x80
[ 9566.189016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9566.189016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9566.189016][   T10]      ip6_route_add+0x1c/0x140
[ 9566.189016][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9566.189016][   T10]      addrconf_add_dev+0xe2/0x170
[ 9566.189016][   T10]      inet6_addr_add+0x12f/0xa40
[ 9566.189016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9566.189016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.189016][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.189016][   T10]      netlink_unicast+0x449/0x710
[ 9566.189016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.189016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.189016][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.189016][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.189016][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.189016][   T10] 
[ 9566.191017][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9566.191017][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9566.191017][   T10]      ipv6_find_idev+0x102/0x170
[ 9566.191017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9566.191017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.191017][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.191017][   T10]      netlink_unicast+0x449/0x710
[ 9566.191017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.191017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.191017][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.191017][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.191017][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.191017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.191017][   T10] 
[ 9566.192581][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9566.192581][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9566.192581][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9566.192581][   T10]      ipv6_find_idev+0x102/0x170
[ 9566.192581][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9566.192581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9566.192581][   T10]      netlink_rcv_skb+0x130/0x360
[ 9566.192581][   T10]      netlink_unicast+0x449/0x710
[ 9566.192581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9566.192581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9566.192581][   T10]      ___sys_sendmsg+0xee/0x170
[ 9566.192581][   T10]      __sys_sendmsg+0xcd/0x170
[ 9566.192581][   T10]      do_syscall_64+0xc6/0x1e0
[ 9566.192581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9566.192581][   T10] 
[ 9567.546793][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9567.547338][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9567.547338][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9567.547338][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9567.547338][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9567.547338][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9567.547338][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9567.547338][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9567.547338][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9567.547338][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9567.547338][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9567.547338][ T1078]      netlink_unicast+0x449/0x710
[ 9567.547338][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9567.547338][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9567.547338][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9567.547338][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9567.547338][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9567.547338][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9567.547338][ T1078] 
[ 9567.549687][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9567.549687][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9567.549687][ T1078]      ipv6_find_idev+0x102/0x170
[ 9567.549687][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9567.549687][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9567.549687][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9567.549687][ T1078]      netlink_unicast+0x449/0x710
[ 9567.549687][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9567.549687][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9567.549687][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9567.549687][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9567.549687][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9567.549687][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9567.549687][ T1078] 
[ 9567.551461][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9567.551461][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9567.551461][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9567.551461][ T1078]      ipv6_find_idev+0x102/0x170
[ 9567.551461][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9567.551461][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9567.551461][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9567.551461][ T1078]      netlink_unicast+0x449/0x710
[ 9567.551461][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9567.551461][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9567.551461][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9567.551461][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9567.551461][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9567.551461][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9567.551461][ T1078] 
[ 9576.434813][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9576.435304][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9576.435304][   T10]      netdev_get_by_index+0x5e/0x80
[ 9576.435304][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9576.435304][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9576.435304][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9576.435304][   T10]      ipv6_add_addr+0x411/0x2000
[ 9576.435304][   T10]      inet6_addr_add+0x30e/0xa40
[ 9576.435304][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9576.435304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.435304][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.435304][   T10]      netlink_unicast+0x449/0x710
[ 9576.435304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.435304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.435304][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.435304][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.435304][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.435304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.435304][   T10] 
[ 9576.437374][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9576.437374][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9576.437374][   T10]      ipv6_find_idev+0x102/0x170
[ 9576.437374][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9576.437374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.437374][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.437374][   T10]      netlink_unicast+0x449/0x710
[ 9576.437374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.437374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.437374][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.437374][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.437374][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.437374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.437374][   T10] 
[ 9576.438964][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9576.438964][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9576.438964][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9576.438964][   T10]      ipv6_find_idev+0x102/0x170
[ 9576.438964][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9576.438964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.438964][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.438964][   T10]      netlink_unicast+0x449/0x710
[ 9576.438964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.438964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.438964][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.438964][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.438964][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.438964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.438964][   T10] 
[ 9576.440727][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9576.440970][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9576.440970][   T10]      netdev_get_by_index+0x5e/0x80
[ 9576.440970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9576.440970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9576.440970][   T10]      ip6_route_add+0x1c/0x140
[ 9576.440970][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9576.440970][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9576.440970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9576.440970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.440970][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.440970][   T10]      netlink_unicast+0x449/0x710
[ 9576.440970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.440970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.440970][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.440970][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.440970][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.440970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.440970][   T10] 
[ 9576.443011][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9576.443011][   T10]      netdev_get_by_index+0x5e/0x80
[ 9576.443011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9576.443011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9576.443011][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9576.443011][   T10]      ipv6_add_addr+0x411/0x2000
[ 9576.443011][   T10]      inet6_addr_add+0x30e/0xa40
[ 9576.443011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9576.443011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.443011][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.443011][   T10]      netlink_unicast+0x449/0x710
[ 9576.443011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.443011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.443011][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.443011][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.443011][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.443011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.443011][   T10] 
[ 9576.445051][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9576.445051][   T10]      netdev_get_by_index+0x5e/0x80
[ 9576.445051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9576.445051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9576.445051][   T10]      ip6_route_add+0x1c/0x140
[ 9576.445051][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9576.445051][   T10]      addrconf_add_dev+0xe2/0x170
[ 9576.445051][   T10]      inet6_addr_add+0x12f/0xa40
[ 9576.445051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9576.445051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.445051][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.445051][   T10]      netlink_unicast+0x449/0x710
[ 9576.445051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.445051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.445051][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.445051][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.445051][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.445051][   T10] 
[ 9576.447064][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9576.447064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9576.447064][   T10]      ipv6_find_idev+0x102/0x170
[ 9576.447064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9576.447064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.447064][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.447064][   T10]      netlink_unicast+0x449/0x710
[ 9576.447064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.447064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.447064][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.447064][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.447064][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.447064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.447064][   T10] 
[ 9576.448643][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9576.448643][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9576.448643][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9576.448643][   T10]      ipv6_find_idev+0x102/0x170
[ 9576.448643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9576.448643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9576.448643][   T10]      netlink_rcv_skb+0x130/0x360
[ 9576.448643][   T10]      netlink_unicast+0x449/0x710
[ 9576.448643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9576.448643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9576.448643][   T10]      ___sys_sendmsg+0xee/0x170
[ 9576.448643][   T10]      __sys_sendmsg+0xcd/0x170
[ 9576.448643][   T10]      do_syscall_64+0xc6/0x1e0
[ 9576.448643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9576.448643][   T10] 
[ 9577.794792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9577.795324][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9577.795324][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9577.795324][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9577.795324][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9577.795324][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9577.795324][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9577.795324][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9577.795324][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9577.795324][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9577.795324][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9577.795324][ T1078]      netlink_unicast+0x449/0x710
[ 9577.795324][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9577.795324][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9577.795324][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9577.795324][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9577.795324][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9577.795324][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9577.795324][ T1078] 
[ 9577.797654][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9577.797654][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9577.797654][ T1078]      ipv6_find_idev+0x102/0x170
[ 9577.797654][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9577.797654][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9577.797654][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9577.797654][ T1078]      netlink_unicast+0x449/0x710
[ 9577.797654][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9577.797654][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9577.797654][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9577.797654][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9577.797654][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9577.797654][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9577.797654][ T1078] 
[ 9577.799426][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9577.799426][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9577.799426][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9577.799426][ T1078]      ipv6_find_idev+0x102/0x170
[ 9577.799426][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9577.799426][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9577.799426][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9577.799426][ T1078]      netlink_unicast+0x449/0x710
[ 9577.799426][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9577.799426][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9577.799426][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9577.799426][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9577.799426][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9577.799426][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9577.799426][ T1078] 
[ 9586.690788][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9586.691278][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9586.691278][   T10]      netdev_get_by_index+0x5e/0x80
[ 9586.691278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9586.691278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9586.691278][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9586.691278][   T10]      ipv6_add_addr+0x411/0x2000
[ 9586.691278][   T10]      inet6_addr_add+0x30e/0xa40
[ 9586.691278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9586.691278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.691278][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.691278][   T10]      netlink_unicast+0x449/0x710
[ 9586.691278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.691278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.691278][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.691278][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.691278][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.691278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.691278][   T10] 
[ 9586.693368][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9586.693368][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9586.693368][   T10]      ipv6_find_idev+0x102/0x170
[ 9586.693368][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9586.693368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.693368][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.693368][   T10]      netlink_unicast+0x449/0x710
[ 9586.693368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.693368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.693368][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.693368][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.693368][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.693368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.693368][   T10] 
[ 9586.694972][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9586.694972][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9586.694972][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9586.694972][   T10]      ipv6_find_idev+0x102/0x170
[ 9586.694972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9586.694972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.694972][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.694972][   T10]      netlink_unicast+0x449/0x710
[ 9586.694972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.694972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.694972][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.694972][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.694972][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.694972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.694972][   T10] 
[ 9586.696738][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9586.696983][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9586.696983][   T10]      netdev_get_by_index+0x5e/0x80
[ 9586.696983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9586.696983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9586.696983][   T10]      ip6_route_add+0x1c/0x140
[ 9586.696983][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9586.696983][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9586.696983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9586.696983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.696983][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.696983][   T10]      netlink_unicast+0x449/0x710
[ 9586.696983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.696983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.696983][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.696983][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.696983][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.696983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.696983][   T10] 
[ 9586.699053][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9586.699053][   T10]      netdev_get_by_index+0x5e/0x80
[ 9586.699053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9586.699053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9586.699053][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9586.699053][   T10]      ipv6_add_addr+0x411/0x2000
[ 9586.699053][   T10]      inet6_addr_add+0x30e/0xa40
[ 9586.699053][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9586.699053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.699053][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.699053][   T10]      netlink_unicast+0x449/0x710
[ 9586.699053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.699053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.699053][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.699053][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.699053][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.699053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.699053][   T10] 
[ 9586.701126][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9586.701126][   T10]      netdev_get_by_index+0x5e/0x80
[ 9586.701126][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9586.701126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9586.701126][   T10]      ip6_route_add+0x1c/0x140
[ 9586.701126][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9586.701126][   T10]      addrconf_add_dev+0xe2/0x170
[ 9586.701126][   T10]      inet6_addr_add+0x12f/0xa40
[ 9586.701126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9586.701126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.701126][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.701126][   T10]      netlink_unicast+0x449/0x710
[ 9586.701126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.701126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.701126][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.701126][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.701126][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.701126][   T10] 
[ 9586.703136][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9586.703136][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9586.703136][   T10]      ipv6_find_idev+0x102/0x170
[ 9586.703136][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9586.703136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.703136][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.703136][   T10]      netlink_unicast+0x449/0x710
[ 9586.703136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.703136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.703136][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.703136][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.703136][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.703136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.703136][   T10] 
[ 9586.704706][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9586.704706][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9586.704706][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9586.704706][   T10]      ipv6_find_idev+0x102/0x170
[ 9586.704706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9586.704706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9586.704706][   T10]      netlink_rcv_skb+0x130/0x360
[ 9586.704706][   T10]      netlink_unicast+0x449/0x710
[ 9586.704706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9586.704706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9586.704706][   T10]      ___sys_sendmsg+0xee/0x170
[ 9586.704706][   T10]      __sys_sendmsg+0xcd/0x170
[ 9586.704706][   T10]      do_syscall_64+0xc6/0x1e0
[ 9586.704706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9586.704706][   T10] 
[ 9588.042799][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9588.043288][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9588.043288][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9588.043288][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9588.043288][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9588.043288][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9588.043288][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9588.043288][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9588.043288][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9588.043288][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9588.043288][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9588.043288][ T1078]      netlink_unicast+0x449/0x710
[ 9588.043288][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9588.043288][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9588.043288][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9588.043288][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9588.043288][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9588.043288][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9588.043288][ T1078] 
[ 9588.045584][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9588.045584][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9588.045584][ T1078]      ipv6_find_idev+0x102/0x170
[ 9588.045584][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9588.045584][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9588.045584][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9588.045584][ T1078]      netlink_unicast+0x449/0x710
[ 9588.045584][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9588.045584][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9588.045584][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9588.045584][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9588.045584][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9588.045584][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9588.045584][ T1078] 
[ 9588.047339][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9588.047339][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9588.047339][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9588.047339][ T1078]      ipv6_find_idev+0x102/0x170
[ 9588.047339][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9588.047339][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9588.047339][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9588.047339][ T1078]      netlink_unicast+0x449/0x710
[ 9588.047339][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9588.047339][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9588.047339][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9588.047339][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9588.047339][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9588.047339][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9588.047339][ T1078] 
[ 9596.946853][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9596.947344][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9596.947344][   T10]      netdev_get_by_index+0x5e/0x80
[ 9596.947344][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9596.947344][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9596.947344][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9596.947344][   T10]      ipv6_add_addr+0x411/0x2000
[ 9596.947344][   T10]      inet6_addr_add+0x30e/0xa40
[ 9596.947344][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9596.947344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.947344][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.947344][   T10]      netlink_unicast+0x449/0x710
[ 9596.947344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.947344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.947344][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.947344][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.947344][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.947344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.947344][   T10] 
[ 9596.949398][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9596.949398][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9596.949398][   T10]      ipv6_find_idev+0x102/0x170
[ 9596.949398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9596.949398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.949398][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.949398][   T10]      netlink_unicast+0x449/0x710
[ 9596.949398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.949398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.949398][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.949398][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.949398][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.949398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.949398][   T10] 
[ 9596.950986][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9596.950986][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9596.950986][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9596.950986][   T10]      ipv6_find_idev+0x102/0x170
[ 9596.950986][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9596.950986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.950986][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.950986][   T10]      netlink_unicast+0x449/0x710
[ 9596.950986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.950986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.950986][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.950986][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.950986][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.950986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.950986][   T10] 
[ 9596.952712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9596.952964][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9596.952964][   T10]      netdev_get_by_index+0x5e/0x80
[ 9596.952964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9596.952964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9596.952964][   T10]      ip6_route_add+0x1c/0x140
[ 9596.952964][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9596.952964][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9596.952964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9596.952964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.952964][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.952964][   T10]      netlink_unicast+0x449/0x710
[ 9596.952964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.952964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.952964][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.952964][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.952964][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.952964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.952964][   T10] 
[ 9596.954997][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9596.954997][   T10]      netdev_get_by_index+0x5e/0x80
[ 9596.954997][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9596.954997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9596.954997][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9596.954997][   T10]      ipv6_add_addr+0x411/0x2000
[ 9596.954997][   T10]      inet6_addr_add+0x30e/0xa40
[ 9596.954997][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9596.954997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.954997][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.954997][   T10]      netlink_unicast+0x449/0x710
[ 9596.954997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.954997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.954997][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.954997][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.954997][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.954997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.954997][   T10] 
[ 9596.957026][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9596.957026][   T10]      netdev_get_by_index+0x5e/0x80
[ 9596.957026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9596.957026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9596.957026][   T10]      ip6_route_add+0x1c/0x140
[ 9596.957026][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9596.957026][   T10]      addrconf_add_dev+0xe2/0x170
[ 9596.957026][   T10]      inet6_addr_add+0x12f/0xa40
[ 9596.957026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9596.957026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.957026][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.957026][   T10]      netlink_unicast+0x449/0x710
[ 9596.957026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.957026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.957026][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.957026][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.957026][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.957026][   T10] 
[ 9596.959033][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9596.959033][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9596.959033][   T10]      ipv6_find_idev+0x102/0x170
[ 9596.959033][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9596.959033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.959033][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.959033][   T10]      netlink_unicast+0x449/0x710
[ 9596.959033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.959033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.959033][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.959033][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.959033][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.959033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.959033][   T10] 
[ 9596.960647][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9596.960647][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9596.960647][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9596.960647][   T10]      ipv6_find_idev+0x102/0x170
[ 9596.960647][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9596.960647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9596.960647][   T10]      netlink_rcv_skb+0x130/0x360
[ 9596.960647][   T10]      netlink_unicast+0x449/0x710
[ 9596.960647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9596.960647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9596.960647][   T10]      ___sys_sendmsg+0xee/0x170
[ 9596.960647][   T10]      __sys_sendmsg+0xcd/0x170
[ 9596.960647][   T10]      do_syscall_64+0xc6/0x1e0
[ 9596.960647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9596.960647][   T10] 
[ 9598.290809][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9598.291297][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9598.291297][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9598.291297][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9598.291297][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9598.291297][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9598.291297][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9598.291297][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9598.291297][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9598.291297][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9598.291297][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9598.291297][ T1078]      netlink_unicast+0x449/0x710
[ 9598.291297][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9598.291297][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9598.291297][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9598.291297][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9598.291297][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9598.291297][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9598.291297][ T1078] 
[ 9598.293589][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9598.293589][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9598.293589][ T1078]      ipv6_find_idev+0x102/0x170
[ 9598.293589][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9598.293589][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9598.293589][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9598.293589][ T1078]      netlink_unicast+0x449/0x710
[ 9598.293589][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9598.293589][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9598.293589][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9598.293589][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9598.293589][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9598.293589][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9598.293589][ T1078] 
[ 9598.295356][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9598.295356][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9598.295356][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9598.295356][ T1078]      ipv6_find_idev+0x102/0x170
[ 9598.295356][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9598.295356][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9598.295356][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9598.295356][ T1078]      netlink_unicast+0x449/0x710
[ 9598.295356][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9598.295356][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9598.295356][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9598.295356][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9598.295356][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9598.295356][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9598.295356][ T1078] 
[ 9607.202787][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9607.203259][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9607.203259][   T10]      netdev_get_by_index+0x5e/0x80
[ 9607.203259][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9607.203259][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9607.203259][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9607.203259][   T10]      ipv6_add_addr+0x411/0x2000
[ 9607.203259][   T10]      inet6_addr_add+0x30e/0xa40
[ 9607.203259][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9607.203259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.203259][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.203259][   T10]      netlink_unicast+0x449/0x710
[ 9607.203259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.203259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.203259][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.203259][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.203259][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.203259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.203259][   T10] 
[ 9607.205326][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9607.205326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9607.205326][   T10]      ipv6_find_idev+0x102/0x170
[ 9607.205326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9607.205326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.205326][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.205326][   T10]      netlink_unicast+0x449/0x710
[ 9607.205326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.205326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.205326][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.205326][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.205326][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.205326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.205326][   T10] 
[ 9607.206895][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9607.206895][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9607.206895][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9607.206895][   T10]      ipv6_find_idev+0x102/0x170
[ 9607.206895][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9607.206895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.206895][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.206895][   T10]      netlink_unicast+0x449/0x710
[ 9607.206895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.206895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.206895][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.206895][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.206895][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.206895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.206895][   T10] 
[ 9607.208641][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9607.208914][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9607.208914][   T10]      netdev_get_by_index+0x5e/0x80
[ 9607.208914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9607.208914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9607.208914][   T10]      ip6_route_add+0x1c/0x140
[ 9607.208914][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9607.208914][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9607.208914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9607.208914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.208914][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.208914][   T10]      netlink_unicast+0x449/0x710
[ 9607.208914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.208914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.208914][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.208914][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.208914][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.208914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.208914][   T10] 
[ 9607.210967][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9607.210967][   T10]      netdev_get_by_index+0x5e/0x80
[ 9607.210967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9607.210967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9607.210967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9607.210967][   T10]      ipv6_add_addr+0x411/0x2000
[ 9607.210967][   T10]      inet6_addr_add+0x30e/0xa40
[ 9607.210967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9607.210967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.210967][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.210967][   T10]      netlink_unicast+0x449/0x710
[ 9607.210967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.210967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.210967][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.210967][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.210967][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.210967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.210967][   T10] 
[ 9607.213019][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9607.213019][   T10]      netdev_get_by_index+0x5e/0x80
[ 9607.213019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9607.213019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9607.213019][   T10]      ip6_route_add+0x1c/0x140
[ 9607.213019][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9607.213019][   T10]      addrconf_add_dev+0xe2/0x170
[ 9607.213019][   T10]      inet6_addr_add+0x12f/0xa40
[ 9607.213019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9607.213019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.213019][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.213019][   T10]      netlink_unicast+0x449/0x710
[ 9607.213019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.213019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.213019][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.213019][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.213019][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.213019][   T10] 
[ 9607.215018][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9607.215018][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9607.215018][   T10]      ipv6_find_idev+0x102/0x170
[ 9607.215018][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9607.215018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.215018][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.215018][   T10]      netlink_unicast+0x449/0x710
[ 9607.215018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.215018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.215018][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.215018][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.215018][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.215018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.215018][   T10] 
[ 9607.216594][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9607.216594][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9607.216594][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9607.216594][   T10]      ipv6_find_idev+0x102/0x170
[ 9607.216594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9607.216594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9607.216594][   T10]      netlink_rcv_skb+0x130/0x360
[ 9607.216594][   T10]      netlink_unicast+0x449/0x710
[ 9607.216594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9607.216594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9607.216594][   T10]      ___sys_sendmsg+0xee/0x170
[ 9607.216594][   T10]      __sys_sendmsg+0xcd/0x170
[ 9607.216594][   T10]      do_syscall_64+0xc6/0x1e0
[ 9607.216594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9607.216594][   T10] 
[ 9608.538794][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9608.539275][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9608.539275][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9608.539275][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9608.539275][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9608.539275][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9608.539275][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9608.539275][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9608.539275][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9608.539275][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9608.539275][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9608.539275][ T1078]      netlink_unicast+0x449/0x710
[ 9608.539275][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9608.539275][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9608.539275][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9608.539275][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9608.539275][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9608.539275][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9608.539275][ T1078] 
[ 9608.541586][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9608.541586][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9608.541586][ T1078]      ipv6_find_idev+0x102/0x170
[ 9608.541586][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9608.541586][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9608.541586][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9608.541586][ T1078]      netlink_unicast+0x449/0x710
[ 9608.541586][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9608.541586][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9608.541586][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9608.541586][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9608.541586][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9608.541586][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9608.541586][ T1078] 
[ 9608.543877][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9608.543877][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9608.543877][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9608.543877][ T1078]      ipv6_find_idev+0x102/0x170
[ 9608.543877][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9608.543877][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9608.543877][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9608.543877][ T1078]      netlink_unicast+0x449/0x710
[ 9608.543877][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9608.543877][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9608.543877][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9608.543877][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9608.543877][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9608.543877][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9608.543877][ T1078] 
[ 9617.458840][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9617.459338][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9617.459338][   T10]      netdev_get_by_index+0x5e/0x80
[ 9617.459338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9617.459338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9617.459338][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9617.459338][   T10]      ipv6_add_addr+0x411/0x2000
[ 9617.459338][   T10]      inet6_addr_add+0x30e/0xa40
[ 9617.459338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9617.459338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.459338][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.459338][   T10]      netlink_unicast+0x449/0x710
[ 9617.459338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.459338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.459338][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.459338][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.459338][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.459338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.459338][   T10] 
[ 9617.461408][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9617.461408][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9617.461408][   T10]      ipv6_find_idev+0x102/0x170
[ 9617.461408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9617.461408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.461408][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.461408][   T10]      netlink_unicast+0x449/0x710
[ 9617.461408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.461408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.461408][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.461408][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.461408][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.461408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.461408][   T10] 
[ 9617.462979][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9617.462979][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9617.462979][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9617.462979][   T10]      ipv6_find_idev+0x102/0x170
[ 9617.462979][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9617.462979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.462979][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.462979][   T10]      netlink_unicast+0x449/0x710
[ 9617.462979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.462979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.462979][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.462979][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.462979][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.462979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.462979][   T10] 
[ 9617.464718][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9617.464972][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9617.464972][   T10]      netdev_get_by_index+0x5e/0x80
[ 9617.464972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9617.464972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9617.464972][   T10]      ip6_route_add+0x1c/0x140
[ 9617.464972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9617.464972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9617.464972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9617.464972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.464972][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.464972][   T10]      netlink_unicast+0x449/0x710
[ 9617.464972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.464972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.464972][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.464972][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.464972][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.464972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.464972][   T10] 
[ 9617.467413][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9617.467413][   T10]      netdev_get_by_index+0x5e/0x80
[ 9617.467413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9617.467413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9617.467413][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9617.467413][   T10]      ipv6_add_addr+0x411/0x2000
[ 9617.467413][   T10]      inet6_addr_add+0x30e/0xa40
[ 9617.467413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9617.467413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.467413][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.467413][   T10]      netlink_unicast+0x449/0x710
[ 9617.467413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.467413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.467413][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.467413][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.467413][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.467413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.467413][   T10] 
[ 9617.469454][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9617.469454][   T10]      netdev_get_by_index+0x5e/0x80
[ 9617.469454][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9617.469454][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9617.469454][   T10]      ip6_route_add+0x1c/0x140
[ 9617.469454][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9617.469454][   T10]      addrconf_add_dev+0xe2/0x170
[ 9617.469454][   T10]      inet6_addr_add+0x12f/0xa40
[ 9617.469454][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9617.469454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.469454][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.469454][   T10]      netlink_unicast+0x449/0x710
[ 9617.469454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.469454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.469454][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.469454][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.469454][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.469454][   T10] 
[ 9617.471441][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9617.471441][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9617.471441][   T10]      ipv6_find_idev+0x102/0x170
[ 9617.471441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9617.471441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.471441][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.471441][   T10]      netlink_unicast+0x449/0x710
[ 9617.471441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.471441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.471441][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.471441][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.471441][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.471441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.471441][   T10] 
[ 9617.473001][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9617.473001][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9617.473001][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9617.473001][   T10]      ipv6_find_idev+0x102/0x170
[ 9617.473001][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9617.473001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9617.473001][   T10]      netlink_rcv_skb+0x130/0x360
[ 9617.473001][   T10]      netlink_unicast+0x449/0x710
[ 9617.473001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9617.473001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9617.473001][   T10]      ___sys_sendmsg+0xee/0x170
[ 9617.473001][   T10]      __sys_sendmsg+0xcd/0x170
[ 9617.473001][   T10]      do_syscall_64+0xc6/0x1e0
[ 9617.473001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9617.473001][   T10] 
[ 9618.786792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9618.787269][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9618.787269][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9618.787269][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9618.787269][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9618.787269][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9618.787269][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9618.787269][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9618.787269][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9618.787269][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9618.787269][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9618.787269][ T1078]      netlink_unicast+0x449/0x710
[ 9618.787269][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9618.787269][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9618.787269][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9618.787269][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9618.787269][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9618.787269][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9618.787269][ T1078] 
[ 9618.789589][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9618.789589][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9618.789589][ T1078]      ipv6_find_idev+0x102/0x170
[ 9618.789589][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9618.789589][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9618.789589][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9618.789589][ T1078]      netlink_unicast+0x449/0x710
[ 9618.789589][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9618.789589][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9618.789589][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9618.789589][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9618.789589][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9618.789589][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9618.789589][ T1078] 
[ 9618.791347][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9618.791347][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9618.791347][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9618.791347][ T1078]      ipv6_find_idev+0x102/0x170
[ 9618.791347][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9618.791347][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9618.791347][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9618.791347][ T1078]      netlink_unicast+0x449/0x710
[ 9618.791347][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9618.791347][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9618.791347][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9618.791347][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9618.791347][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9618.791347][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9618.791347][ T1078] 
[ 9627.714839][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9627.715308][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9627.715308][   T10]      netdev_get_by_index+0x5e/0x80
[ 9627.715308][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9627.715308][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9627.715308][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9627.715308][   T10]      ipv6_add_addr+0x411/0x2000
[ 9627.715308][   T10]      inet6_addr_add+0x30e/0xa40
[ 9627.715308][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9627.715308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.715308][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.715308][   T10]      netlink_unicast+0x449/0x710
[ 9627.715308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.715308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.715308][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.715308][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.715308][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.715308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.715308][   T10] 
[ 9627.717395][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9627.717395][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9627.717395][   T10]      ipv6_find_idev+0x102/0x170
[ 9627.717395][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9627.717395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.717395][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.717395][   T10]      netlink_unicast+0x449/0x710
[ 9627.717395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.717395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.717395][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.717395][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.717395][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.717395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.717395][   T10] 
[ 9627.718966][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9627.718966][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9627.718966][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9627.718966][   T10]      ipv6_find_idev+0x102/0x170
[ 9627.718966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9627.718966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.718966][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.718966][   T10]      netlink_unicast+0x449/0x710
[ 9627.718966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.718966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.718966][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.718966][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.718966][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.718966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.718966][   T10] 
[ 9627.720715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9627.720971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9627.720971][   T10]      netdev_get_by_index+0x5e/0x80
[ 9627.720971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9627.720971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9627.720971][   T10]      ip6_route_add+0x1c/0x140
[ 9627.720971][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9627.720971][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9627.720971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9627.720971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.720971][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.720971][   T10]      netlink_unicast+0x449/0x710
[ 9627.720971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.720971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.720971][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.720971][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.720971][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.720971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.720971][   T10] 
[ 9627.723007][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9627.723007][   T10]      netdev_get_by_index+0x5e/0x80
[ 9627.723007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9627.723007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9627.723007][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9627.723007][   T10]      ipv6_add_addr+0x411/0x2000
[ 9627.723007][   T10]      inet6_addr_add+0x30e/0xa40
[ 9627.723007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9627.723007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.723007][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.723007][   T10]      netlink_unicast+0x449/0x710
[ 9627.723007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.723007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.723007][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.723007][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.723007][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.723007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.723007][   T10] 
[ 9627.725573][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9627.725573][   T10]      netdev_get_by_index+0x5e/0x80
[ 9627.725573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9627.725573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9627.725573][   T10]      ip6_route_add+0x1c/0x140
[ 9627.725573][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9627.725573][   T10]      addrconf_add_dev+0xe2/0x170
[ 9627.725573][   T10]      inet6_addr_add+0x12f/0xa40
[ 9627.725573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9627.725573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.725573][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.725573][   T10]      netlink_unicast+0x449/0x710
[ 9627.725573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.725573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.725573][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.725573][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.725573][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.725573][   T10] 
[ 9627.727561][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9627.727561][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9627.727561][   T10]      ipv6_find_idev+0x102/0x170
[ 9627.727561][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9627.727561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.727561][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.727561][   T10]      netlink_unicast+0x449/0x710
[ 9627.727561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.727561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.727561][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.727561][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.727561][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.727561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.727561][   T10] 
[ 9627.729118][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9627.729118][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9627.729118][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9627.729118][   T10]      ipv6_find_idev+0x102/0x170
[ 9627.729118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9627.729118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9627.729118][   T10]      netlink_rcv_skb+0x130/0x360
[ 9627.729118][   T10]      netlink_unicast+0x449/0x710
[ 9627.729118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9627.729118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9627.729118][   T10]      ___sys_sendmsg+0xee/0x170
[ 9627.729118][   T10]      __sys_sendmsg+0xcd/0x170
[ 9627.729118][   T10]      do_syscall_64+0xc6/0x1e0
[ 9627.729118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9627.729118][   T10] 
[ 9629.034794][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9629.035264][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9629.035264][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9629.035264][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9629.035264][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9629.035264][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9629.035264][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9629.035264][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9629.035264][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9629.035264][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9629.035264][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9629.035264][ T1078]      netlink_unicast+0x449/0x710
[ 9629.035264][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9629.035264][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9629.035264][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9629.035264][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9629.035264][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9629.035264][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9629.035264][ T1078] 
[ 9629.037587][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9629.037587][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9629.037587][ T1078]      ipv6_find_idev+0x102/0x170
[ 9629.037587][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9629.037587][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9629.037587][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9629.037587][ T1078]      netlink_unicast+0x449/0x710
[ 9629.037587][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9629.037587][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9629.037587][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9629.037587][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9629.037587][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9629.037587][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9629.037587][ T1078] 
[ 9629.039362][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9629.039362][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9629.039362][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9629.039362][ T1078]      ipv6_find_idev+0x102/0x170
[ 9629.039362][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9629.039362][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9629.039362][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9629.039362][ T1078]      netlink_unicast+0x449/0x710
[ 9629.039362][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9629.039362][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9629.039362][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9629.039362][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9629.039362][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9629.039362][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9629.039362][ T1078] 
[ 9637.970865][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9637.971384][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9637.971384][   T10]      netdev_get_by_index+0x5e/0x80
[ 9637.971384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9637.971384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9637.971384][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9637.971384][   T10]      ipv6_add_addr+0x411/0x2000
[ 9637.971384][   T10]      inet6_addr_add+0x30e/0xa40
[ 9637.971384][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9637.971384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.971384][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.971384][   T10]      netlink_unicast+0x449/0x710
[ 9637.971384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.971384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.971384][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.971384][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.971384][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.971384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.971384][   T10] 
[ 9637.973766][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9637.973766][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9637.973766][   T10]      ipv6_find_idev+0x102/0x170
[ 9637.973766][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9637.973766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.973766][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.973766][   T10]      netlink_unicast+0x449/0x710
[ 9637.973766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.973766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.973766][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.973766][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.973766][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.973766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.973766][   T10] 
[ 9637.975485][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9637.975485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9637.975485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9637.975485][   T10]      ipv6_find_idev+0x102/0x170
[ 9637.975485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9637.975485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.975485][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.975485][   T10]      netlink_unicast+0x449/0x710
[ 9637.975485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.975485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.975485][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.975485][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.975485][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.975485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.975485][   T10] 
[ 9637.977473][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9637.977760][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9637.977760][   T10]      netdev_get_by_index+0x5e/0x80
[ 9637.977760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9637.977760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9637.977760][   T10]      ip6_route_add+0x1c/0x140
[ 9637.977760][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9637.977760][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9637.977760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9637.977760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.977760][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.977760][   T10]      netlink_unicast+0x449/0x710
[ 9637.977760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.977760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.977760][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.977760][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.977760][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.977760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.977760][   T10] 
[ 9637.980077][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9637.980077][   T10]      netdev_get_by_index+0x5e/0x80
[ 9637.980077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9637.980077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9637.980077][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9637.980077][   T10]      ipv6_add_addr+0x411/0x2000
[ 9637.980077][   T10]      inet6_addr_add+0x30e/0xa40
[ 9637.980077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9637.980077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.980077][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.980077][   T10]      netlink_unicast+0x449/0x710
[ 9637.980077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.980077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.980077][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.980077][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.980077][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.980077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.980077][   T10] 
[ 9637.982320][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9637.982320][   T10]      netdev_get_by_index+0x5e/0x80
[ 9637.982320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9637.982320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9637.982320][   T10]      ip6_route_add+0x1c/0x140
[ 9637.982320][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9637.982320][   T10]      addrconf_add_dev+0xe2/0x170
[ 9637.982320][   T10]      inet6_addr_add+0x12f/0xa40
[ 9637.982320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9637.982320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.982320][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.982320][   T10]      netlink_unicast+0x449/0x710
[ 9637.982320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.982320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.982320][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.982320][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.982320][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.982320][   T10] 
[ 9637.984872][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9637.984872][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9637.984872][   T10]      ipv6_find_idev+0x102/0x170
[ 9637.984872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9637.984872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.984872][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.984872][   T10]      netlink_unicast+0x449/0x710
[ 9637.984872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.984872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.984872][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.984872][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.984872][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.984872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.984872][   T10] 
[ 9637.986580][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9637.986580][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9637.986580][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9637.986580][   T10]      ipv6_find_idev+0x102/0x170
[ 9637.986580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9637.986580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9637.986580][   T10]      netlink_rcv_skb+0x130/0x360
[ 9637.986580][   T10]      netlink_unicast+0x449/0x710
[ 9637.986580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9637.986580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9637.986580][   T10]      ___sys_sendmsg+0xee/0x170
[ 9637.986580][   T10]      __sys_sendmsg+0xcd/0x170
[ 9637.986580][   T10]      do_syscall_64+0xc6/0x1e0
[ 9637.986580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9637.986580][   T10] 
[ 9639.282732][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9639.283218][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9639.283218][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9639.283218][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9639.283218][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9639.283218][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9639.283218][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9639.283218][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9639.283218][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9639.283218][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9639.283218][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9639.283218][ T1078]      netlink_unicast+0x449/0x710
[ 9639.283218][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9639.283218][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9639.283218][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9639.283218][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9639.283218][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9639.283218][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9639.283218][ T1078] 
[ 9639.285523][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9639.285523][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9639.285523][ T1078]      ipv6_find_idev+0x102/0x170
[ 9639.285523][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9639.285523][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9639.285523][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9639.285523][ T1078]      netlink_unicast+0x449/0x710
[ 9639.285523][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9639.285523][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9639.285523][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9639.285523][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9639.285523][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9639.285523][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9639.285523][ T1078] 
[ 9639.287288][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9639.287288][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9639.287288][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9639.287288][ T1078]      ipv6_find_idev+0x102/0x170
[ 9639.287288][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9639.287288][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9639.287288][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9639.287288][ T1078]      netlink_unicast+0x449/0x710
[ 9639.287288][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9639.287288][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9639.287288][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9639.287288][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9639.287288][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9639.287288][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9639.287288][ T1078] 
[ 9648.226870][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9648.227326][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9648.227326][   T10]      netdev_get_by_index+0x5e/0x80
[ 9648.227326][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9648.227326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9648.227326][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9648.227326][   T10]      ipv6_add_addr+0x411/0x2000
[ 9648.227326][   T10]      inet6_addr_add+0x30e/0xa40
[ 9648.227326][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9648.227326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.227326][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.227326][   T10]      netlink_unicast+0x449/0x710
[ 9648.227326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.227326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.227326][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.227326][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.227326][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.227326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.227326][   T10] 
[ 9648.229413][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9648.229413][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9648.229413][   T10]      ipv6_find_idev+0x102/0x170
[ 9648.229413][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9648.229413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.229413][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.229413][   T10]      netlink_unicast+0x449/0x710
[ 9648.229413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.229413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.229413][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.229413][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.229413][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.229413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.229413][   T10] 
[ 9648.230995][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9648.230995][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9648.230995][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9648.230995][   T10]      ipv6_find_idev+0x102/0x170
[ 9648.230995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9648.230995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.230995][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.230995][   T10]      netlink_unicast+0x449/0x710
[ 9648.230995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.230995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.230995][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.230995][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.230995][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.230995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.230995][   T10] 
[ 9648.232722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9648.232969][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9648.232969][   T10]      netdev_get_by_index+0x5e/0x80
[ 9648.232969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9648.232969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9648.232969][   T10]      ip6_route_add+0x1c/0x140
[ 9648.232969][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9648.232969][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9648.232969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9648.232969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.232969][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.232969][   T10]      netlink_unicast+0x449/0x710
[ 9648.232969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.232969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.232969][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.232969][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.232969][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.232969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.232969][   T10] 
[ 9648.235019][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9648.235019][   T10]      netdev_get_by_index+0x5e/0x80
[ 9648.235019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9648.235019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9648.235019][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9648.235019][   T10]      ipv6_add_addr+0x411/0x2000
[ 9648.235019][   T10]      inet6_addr_add+0x30e/0xa40
[ 9648.235019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9648.235019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.235019][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.235019][   T10]      netlink_unicast+0x449/0x710
[ 9648.235019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.235019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.235019][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.235019][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.235019][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.235019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.235019][   T10] 
[ 9648.237057][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9648.237057][   T10]      netdev_get_by_index+0x5e/0x80
[ 9648.237057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9648.237057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9648.237057][   T10]      ip6_route_add+0x1c/0x140
[ 9648.237057][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9648.237057][   T10]      addrconf_add_dev+0xe2/0x170
[ 9648.237057][   T10]      inet6_addr_add+0x12f/0xa40
[ 9648.237057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9648.237057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.237057][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.237057][   T10]      netlink_unicast+0x449/0x710
[ 9648.237057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.237057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.237057][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.237057][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.237057][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.237057][   T10] 
[ 9648.239056][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9648.239056][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9648.239056][   T10]      ipv6_find_idev+0x102/0x170
[ 9648.239056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9648.239056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.239056][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.239056][   T10]      netlink_unicast+0x449/0x710
[ 9648.239056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.239056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.239056][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.239056][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.239056][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.239056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.239056][   T10] 
[ 9648.240626][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9648.240626][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9648.240626][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9648.240626][   T10]      ipv6_find_idev+0x102/0x170
[ 9648.240626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9648.240626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9648.240626][   T10]      netlink_rcv_skb+0x130/0x360
[ 9648.240626][   T10]      netlink_unicast+0x449/0x710
[ 9648.240626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9648.240626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9648.240626][   T10]      ___sys_sendmsg+0xee/0x170
[ 9648.240626][   T10]      __sys_sendmsg+0xcd/0x170
[ 9648.240626][   T10]      do_syscall_64+0xc6/0x1e0
[ 9648.240626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9648.240626][   T10] 
[ 9649.530860][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9649.531483][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9649.531483][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9649.531483][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9649.531483][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9649.531483][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9649.531483][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9649.531483][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9649.531483][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9649.531483][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9649.531483][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9649.531483][ T1078]      netlink_unicast+0x449/0x710
[ 9649.531483][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9649.531483][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9649.531483][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9649.531483][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9649.531483][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9649.531483][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9649.531483][ T1078] 
[ 9649.533951][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9649.533951][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9649.533951][ T1078]      ipv6_find_idev+0x102/0x170
[ 9649.533951][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9649.533951][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9649.533951][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9649.533951][ T1078]      netlink_unicast+0x449/0x710
[ 9649.533951][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9649.533951][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9649.533951][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9649.533951][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9649.533951][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9649.533951][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9649.533951][ T1078] 
[ 9649.535835][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9649.535835][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9649.535835][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9649.535835][ T1078]      ipv6_find_idev+0x102/0x170
[ 9649.535835][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9649.535835][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9649.535835][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9649.535835][ T1078]      netlink_unicast+0x449/0x710
[ 9649.535835][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9649.535835][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9649.535835][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9649.535835][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9649.535835][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9649.535835][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9649.535835][ T1078] 
[ 9658.482805][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9658.483264][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9658.483264][   T10]      netdev_get_by_index+0x5e/0x80
[ 9658.483264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9658.483264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9658.483264][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9658.483264][   T10]      ipv6_add_addr+0x411/0x2000
[ 9658.483264][   T10]      inet6_addr_add+0x30e/0xa40
[ 9658.483264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9658.483264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.483264][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.483264][   T10]      netlink_unicast+0x449/0x710
[ 9658.483264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.483264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.483264][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.483264][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.483264][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.483264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.483264][   T10] 
[ 9658.485332][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9658.485332][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9658.485332][   T10]      ipv6_find_idev+0x102/0x170
[ 9658.485332][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9658.485332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.485332][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.485332][   T10]      netlink_unicast+0x449/0x710
[ 9658.485332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.485332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.485332][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.485332][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.485332][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.485332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.485332][   T10] 
[ 9658.486902][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9658.486902][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9658.486902][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9658.486902][   T10]      ipv6_find_idev+0x102/0x170
[ 9658.486902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9658.486902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.486902][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.486902][   T10]      netlink_unicast+0x449/0x710
[ 9658.486902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.486902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.486902][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.486902][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.486902][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.486902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.486902][   T10] 
[ 9658.488616][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9658.488872][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9658.488872][   T10]      netdev_get_by_index+0x5e/0x80
[ 9658.488872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9658.488872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9658.488872][   T10]      ip6_route_add+0x1c/0x140
[ 9658.488872][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9658.488872][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9658.488872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9658.488872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.488872][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.488872][   T10]      netlink_unicast+0x449/0x710
[ 9658.488872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.488872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.488872][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.488872][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.488872][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.488872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.488872][   T10] 
[ 9658.491019][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9658.491019][   T10]      netdev_get_by_index+0x5e/0x80
[ 9658.491019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9658.491019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9658.491019][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9658.491019][   T10]      ipv6_add_addr+0x411/0x2000
[ 9658.491019][   T10]      inet6_addr_add+0x30e/0xa40
[ 9658.491019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9658.491019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.491019][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.491019][   T10]      netlink_unicast+0x449/0x710
[ 9658.491019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.491019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.491019][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.491019][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.491019][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.491019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.491019][   T10] 
[ 9658.493066][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9658.493066][   T10]      netdev_get_by_index+0x5e/0x80
[ 9658.493066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9658.493066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9658.493066][   T10]      ip6_route_add+0x1c/0x140
[ 9658.493066][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9658.493066][   T10]      addrconf_add_dev+0xe2/0x170
[ 9658.493066][   T10]      inet6_addr_add+0x12f/0xa40
[ 9658.493066][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9658.493066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.493066][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.493066][   T10]      netlink_unicast+0x449/0x710
[ 9658.493066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.493066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.493066][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.493066][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.493066][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.493066][   T10] 
[ 9658.495083][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9658.495083][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9658.495083][   T10]      ipv6_find_idev+0x102/0x170
[ 9658.495083][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9658.495083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.495083][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.495083][   T10]      netlink_unicast+0x449/0x710
[ 9658.495083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.495083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.495083][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.495083][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.495083][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.495083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.495083][   T10] 
[ 9658.496634][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9658.496634][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9658.496634][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9658.496634][   T10]      ipv6_find_idev+0x102/0x170
[ 9658.496634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9658.496634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9658.496634][   T10]      netlink_rcv_skb+0x130/0x360
[ 9658.496634][   T10]      netlink_unicast+0x449/0x710
[ 9658.496634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9658.496634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9658.496634][   T10]      ___sys_sendmsg+0xee/0x170
[ 9658.496634][   T10]      __sys_sendmsg+0xcd/0x170
[ 9658.496634][   T10]      do_syscall_64+0xc6/0x1e0
[ 9658.496634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9658.496634][   T10] 
[ 9659.586867][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9659.587574][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9659.587574][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9659.587574][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9659.587574][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9659.587574][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9659.587574][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9659.587574][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9659.587574][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9659.587574][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9659.587574][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9659.587574][ T1078]      netlink_unicast+0x449/0x710
[ 9659.587574][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9659.587574][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9659.587574][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9659.587574][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9659.587574][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9659.587574][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9659.587574][ T1078] 
[ 9659.590105][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9659.590105][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9659.590105][ T1078]      ipv6_find_idev+0x102/0x170
[ 9659.590105][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9659.590105][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9659.590105][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9659.590105][ T1078]      netlink_unicast+0x449/0x710
[ 9659.590105][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9659.590105][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9659.590105][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9659.590105][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9659.590105][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9659.590105][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9659.590105][ T1078] 
[ 9659.591955][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9659.591955][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9659.591955][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9659.591955][ T1078]      ipv6_find_idev+0x102/0x170
[ 9659.591955][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9659.591955][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9659.591955][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9659.591955][ T1078]      netlink_unicast+0x449/0x710
[ 9659.591955][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9659.591955][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9659.591955][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9659.591955][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9659.591955][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9659.591955][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9659.591955][ T1078] 
[ 9668.738807][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9668.739288][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9668.739288][   T10]      netdev_get_by_index+0x5e/0x80
[ 9668.739288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9668.739288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9668.739288][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9668.739288][   T10]      ipv6_add_addr+0x411/0x2000
[ 9668.739288][   T10]      inet6_addr_add+0x30e/0xa40
[ 9668.739288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9668.739288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.739288][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.739288][   T10]      netlink_unicast+0x449/0x710
[ 9668.739288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.739288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.739288][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.739288][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.739288][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.739288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.739288][   T10] 
[ 9668.741345][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9668.741345][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9668.741345][   T10]      ipv6_find_idev+0x102/0x170
[ 9668.741345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9668.741345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.741345][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.741345][   T10]      netlink_unicast+0x449/0x710
[ 9668.741345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.741345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.741345][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.741345][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.741345][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.741345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.741345][   T10] 
[ 9668.742907][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9668.742907][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9668.742907][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9668.742907][   T10]      ipv6_find_idev+0x102/0x170
[ 9668.742907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9668.742907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.742907][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.742907][   T10]      netlink_unicast+0x449/0x710
[ 9668.742907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.742907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.742907][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.742907][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.742907][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.742907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.742907][   T10] 
[ 9668.744626][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9668.744884][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9668.744884][   T10]      netdev_get_by_index+0x5e/0x80
[ 9668.744884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9668.744884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9668.744884][   T10]      ip6_route_add+0x1c/0x140
[ 9668.744884][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9668.744884][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9668.744884][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9668.744884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.744884][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.744884][   T10]      netlink_unicast+0x449/0x710
[ 9668.744884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.744884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.744884][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.744884][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.744884][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.744884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.744884][   T10] 
[ 9668.746907][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9668.746907][   T10]      netdev_get_by_index+0x5e/0x80
[ 9668.746907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9668.746907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9668.746907][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9668.746907][   T10]      ipv6_add_addr+0x411/0x2000
[ 9668.746907][   T10]      inet6_addr_add+0x30e/0xa40
[ 9668.746907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9668.746907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.746907][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.746907][   T10]      netlink_unicast+0x449/0x710
[ 9668.746907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.746907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.746907][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.746907][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.746907][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.746907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.746907][   T10] 
[ 9668.748932][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9668.748932][   T10]      netdev_get_by_index+0x5e/0x80
[ 9668.748932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9668.748932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9668.748932][   T10]      ip6_route_add+0x1c/0x140
[ 9668.748932][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9668.748932][   T10]      addrconf_add_dev+0xe2/0x170
[ 9668.748932][   T10]      inet6_addr_add+0x12f/0xa40
[ 9668.748932][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9668.748932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.748932][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.748932][   T10]      netlink_unicast+0x449/0x710
[ 9668.748932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.748932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.748932][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.748932][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.748932][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.748932][   T10] 
[ 9668.750932][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9668.750932][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9668.750932][   T10]      ipv6_find_idev+0x102/0x170
[ 9668.750932][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9668.750932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.750932][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.750932][   T10]      netlink_unicast+0x449/0x710
[ 9668.750932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.750932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.750932][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.750932][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.750932][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.750932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.750932][   T10] 
[ 9668.752483][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9668.752483][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9668.752483][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9668.752483][   T10]      ipv6_find_idev+0x102/0x170
[ 9668.752483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9668.752483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9668.752483][   T10]      netlink_rcv_skb+0x130/0x360
[ 9668.752483][   T10]      netlink_unicast+0x449/0x710
[ 9668.752483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9668.752483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9668.752483][   T10]      ___sys_sendmsg+0xee/0x170
[ 9668.752483][   T10]      __sys_sendmsg+0xcd/0x170
[ 9668.752483][   T10]      do_syscall_64+0xc6/0x1e0
[ 9668.752483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9668.752483][   T10] 
[ 9669.834859][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9669.835453][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9669.835453][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9669.835453][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9669.835453][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9669.835453][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9669.835453][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9669.835453][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9669.835453][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9669.835453][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9669.835453][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9669.835453][ T1078]      netlink_unicast+0x449/0x710
[ 9669.835453][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9669.835453][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9669.835453][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9669.835453][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9669.835453][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9669.835453][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9669.835453][ T1078] 
[ 9669.837991][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9669.837991][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9669.837991][ T1078]      ipv6_find_idev+0x102/0x170
[ 9669.837991][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9669.837991][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9669.837991][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9669.837991][ T1078]      netlink_unicast+0x449/0x710
[ 9669.837991][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9669.837991][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9669.837991][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9669.837991][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9669.837991][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9669.837991][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9669.837991][ T1078] 
[ 9669.839926][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9669.839926][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9669.839926][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9669.839926][ T1078]      ipv6_find_idev+0x102/0x170
[ 9669.839926][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9669.839926][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9669.839926][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9669.839926][ T1078]      netlink_unicast+0x449/0x710
[ 9669.839926][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9669.839926][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9669.839926][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9669.839926][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9669.839926][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9669.839926][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9669.839926][ T1078] 
[ 9678.786872][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9678.787335][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9678.787335][   T10]      netdev_get_by_index+0x5e/0x80
[ 9678.787335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9678.787335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9678.787335][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9678.787335][   T10]      ipv6_add_addr+0x411/0x2000
[ 9678.787335][   T10]      inet6_addr_add+0x30e/0xa40
[ 9678.787335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9678.787335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.787335][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.787335][   T10]      netlink_unicast+0x449/0x710
[ 9678.787335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.787335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.787335][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.787335][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.787335][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.787335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.787335][   T10] 
[ 9678.789411][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9678.789411][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9678.789411][   T10]      ipv6_find_idev+0x102/0x170
[ 9678.789411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9678.789411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.789411][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.789411][   T10]      netlink_unicast+0x449/0x710
[ 9678.789411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.789411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.789411][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.789411][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.789411][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.789411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.789411][   T10] 
[ 9678.790992][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9678.790992][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9678.790992][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9678.790992][   T10]      ipv6_find_idev+0x102/0x170
[ 9678.790992][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9678.790992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.790992][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.790992][   T10]      netlink_unicast+0x449/0x710
[ 9678.790992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.790992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.790992][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.790992][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.790992][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.790992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.790992][   T10] 
[ 9678.792732][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9678.792975][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9678.792975][   T10]      netdev_get_by_index+0x5e/0x80
[ 9678.792975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9678.792975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9678.792975][   T10]      ip6_route_add+0x1c/0x140
[ 9678.792975][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9678.792975][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9678.792975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9678.792975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.792975][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.792975][   T10]      netlink_unicast+0x449/0x710
[ 9678.792975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.792975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.792975][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.792975][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.792975][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.792975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.792975][   T10] 
[ 9678.795001][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9678.795001][   T10]      netdev_get_by_index+0x5e/0x80
[ 9678.795001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9678.795001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9678.795001][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9678.795001][   T10]      ipv6_add_addr+0x411/0x2000
[ 9678.795001][   T10]      inet6_addr_add+0x30e/0xa40
[ 9678.795001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9678.795001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.795001][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.795001][   T10]      netlink_unicast+0x449/0x710
[ 9678.795001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.795001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.795001][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.795001][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.795001][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.795001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.795001][   T10] 
[ 9678.797020][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9678.797020][   T10]      netdev_get_by_index+0x5e/0x80
[ 9678.797020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9678.797020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9678.797020][   T10]      ip6_route_add+0x1c/0x140
[ 9678.797020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9678.797020][   T10]      addrconf_add_dev+0xe2/0x170
[ 9678.797020][   T10]      inet6_addr_add+0x12f/0xa40
[ 9678.797020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9678.797020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.797020][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.797020][   T10]      netlink_unicast+0x449/0x710
[ 9678.797020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.797020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.797020][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.797020][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.797020][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.797020][   T10] 
[ 9678.799000][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9678.799000][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9678.799000][   T10]      ipv6_find_idev+0x102/0x170
[ 9678.799000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9678.799000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.799000][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.799000][   T10]      netlink_unicast+0x449/0x710
[ 9678.799000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.799000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.799000][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.799000][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.799000][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.799000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.799000][   T10] 
[ 9678.800559][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9678.800559][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9678.800559][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9678.800559][   T10]      ipv6_find_idev+0x102/0x170
[ 9678.800559][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9678.800559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9678.800559][   T10]      netlink_rcv_skb+0x130/0x360
[ 9678.800559][   T10]      netlink_unicast+0x449/0x710
[ 9678.800559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9678.800559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9678.800559][   T10]      ___sys_sendmsg+0xee/0x170
[ 9678.800559][   T10]      __sys_sendmsg+0xcd/0x170
[ 9678.800559][   T10]      do_syscall_64+0xc6/0x1e0
[ 9678.800559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9678.800559][   T10] 
[ 9680.082864][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9680.083468][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9680.083468][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9680.083468][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9680.083468][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9680.083468][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9680.083468][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9680.083468][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9680.083468][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9680.083468][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9680.083468][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9680.083468][ T1078]      netlink_unicast+0x449/0x710
[ 9680.083468][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9680.083468][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9680.083468][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9680.083468][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9680.083468][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9680.083468][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9680.083468][ T1078] 
[ 9680.085966][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9680.085966][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9680.085966][ T1078]      ipv6_find_idev+0x102/0x170
[ 9680.085966][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9680.085966][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9680.085966][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9680.085966][ T1078]      netlink_unicast+0x449/0x710
[ 9680.085966][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9680.085966][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9680.085966][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9680.085966][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9680.085966][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9680.085966][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9680.085966][ T1078] 
[ 9680.087869][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9680.087869][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9680.087869][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9680.087869][ T1078]      ipv6_find_idev+0x102/0x170
[ 9680.087869][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9680.087869][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9680.087869][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9680.087869][ T1078]      netlink_unicast+0x449/0x710
[ 9680.087869][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9680.087869][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9680.087869][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9680.087869][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9680.087869][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9680.087869][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9680.087869][ T1078] 
[ 9689.050934][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9689.051411][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9689.051411][   T10]      netdev_get_by_index+0x5e/0x80
[ 9689.051411][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9689.051411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9689.051411][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9689.051411][   T10]      ipv6_add_addr+0x411/0x2000
[ 9689.051411][   T10]      inet6_addr_add+0x30e/0xa40
[ 9689.051411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9689.051411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.051411][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.051411][   T10]      netlink_unicast+0x449/0x710
[ 9689.051411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.051411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.051411][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.051411][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.051411][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.051411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.051411][   T10] 
[ 9689.053469][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9689.053469][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9689.053469][   T10]      ipv6_find_idev+0x102/0x170
[ 9689.053469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9689.053469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.053469][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.053469][   T10]      netlink_unicast+0x449/0x710
[ 9689.053469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.053469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.053469][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.053469][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.053469][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.053469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.053469][   T10] 
[ 9689.055037][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9689.055037][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9689.055037][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9689.055037][   T10]      ipv6_find_idev+0x102/0x170
[ 9689.055037][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9689.055037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.055037][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.055037][   T10]      netlink_unicast+0x449/0x710
[ 9689.055037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.055037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.055037][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.055037][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.055037][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.055037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.055037][   T10] 
[ 9689.056755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9689.057004][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9689.057004][   T10]      netdev_get_by_index+0x5e/0x80
[ 9689.057004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9689.057004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9689.057004][   T10]      ip6_route_add+0x1c/0x140
[ 9689.057004][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9689.057004][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9689.057004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9689.057004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.057004][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.057004][   T10]      netlink_unicast+0x449/0x710
[ 9689.057004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.057004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.057004][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.057004][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.057004][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.057004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.057004][   T10] 
[ 9689.059027][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9689.059027][   T10]      netdev_get_by_index+0x5e/0x80
[ 9689.059027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9689.059027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9689.059027][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9689.059027][   T10]      ipv6_add_addr+0x411/0x2000
[ 9689.059027][   T10]      inet6_addr_add+0x30e/0xa40
[ 9689.059027][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9689.059027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.059027][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.059027][   T10]      netlink_unicast+0x449/0x710
[ 9689.059027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.059027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.059027][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.059027][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.059027][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.059027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.059027][   T10] 
[ 9689.061080][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9689.061080][   T10]      netdev_get_by_index+0x5e/0x80
[ 9689.061080][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9689.061080][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9689.061080][   T10]      ip6_route_add+0x1c/0x140
[ 9689.061080][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9689.061080][   T10]      addrconf_add_dev+0xe2/0x170
[ 9689.061080][   T10]      inet6_addr_add+0x12f/0xa40
[ 9689.061080][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9689.061080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.061080][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.061080][   T10]      netlink_unicast+0x449/0x710
[ 9689.061080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.061080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.061080][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.061080][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.061080][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.061080][   T10] 
[ 9689.063064][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9689.063064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9689.063064][   T10]      ipv6_find_idev+0x102/0x170
[ 9689.063064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9689.063064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.063064][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.063064][   T10]      netlink_unicast+0x449/0x710
[ 9689.063064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.063064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.063064][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.063064][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.063064][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.063064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.063064][   T10] 
[ 9689.064631][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9689.064631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9689.064631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9689.064631][   T10]      ipv6_find_idev+0x102/0x170
[ 9689.064631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9689.064631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9689.064631][   T10]      netlink_rcv_skb+0x130/0x360
[ 9689.064631][   T10]      netlink_unicast+0x449/0x710
[ 9689.064631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9689.064631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9689.064631][   T10]      ___sys_sendmsg+0xee/0x170
[ 9689.064631][   T10]      __sys_sendmsg+0xcd/0x170
[ 9689.064631][   T10]      do_syscall_64+0xc6/0x1e0
[ 9689.064631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9689.064631][   T10] 
[ 9690.330877][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9690.331589][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9690.331589][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9690.331589][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9690.331589][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9690.331589][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9690.331589][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9690.331589][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9690.331589][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9690.331589][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9690.331589][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9690.331589][ T1078]      netlink_unicast+0x449/0x710
[ 9690.331589][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9690.331589][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9690.331589][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9690.331589][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9690.331589][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9690.331589][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9690.331589][ T1078] 
[ 9690.334047][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9690.334047][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9690.334047][ T1078]      ipv6_find_idev+0x102/0x170
[ 9690.334047][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9690.334047][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9690.334047][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9690.334047][ T1078]      netlink_unicast+0x449/0x710
[ 9690.334047][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9690.334047][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9690.334047][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9690.334047][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9690.334047][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9690.334047][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9690.334047][ T1078] 
[ 9690.335994][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9690.335994][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9690.335994][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9690.335994][ T1078]      ipv6_find_idev+0x102/0x170
[ 9690.335994][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9690.335994][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9690.335994][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9690.335994][ T1078]      netlink_unicast+0x449/0x710
[ 9690.335994][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9690.335994][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9690.335994][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9690.335994][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9690.335994][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9690.335994][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9690.335994][ T1078] 
[ 9699.066805][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9699.067292][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9699.067292][   T10]      netdev_get_by_index+0x5e/0x80
[ 9699.067292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9699.067292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9699.067292][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9699.067292][   T10]      ipv6_add_addr+0x411/0x2000
[ 9699.067292][   T10]      inet6_addr_add+0x30e/0xa40
[ 9699.067292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9699.067292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.067292][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.067292][   T10]      netlink_unicast+0x449/0x710
[ 9699.067292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.067292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.067292][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.067292][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.067292][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.067292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.067292][   T10] 
[ 9699.069370][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9699.069370][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9699.069370][   T10]      ipv6_find_idev+0x102/0x170
[ 9699.069370][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9699.069370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.069370][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.069370][   T10]      netlink_unicast+0x449/0x710
[ 9699.069370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.069370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.069370][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.069370][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.069370][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.069370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.069370][   T10] 
[ 9699.071500][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9699.071500][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9699.071500][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9699.071500][   T10]      ipv6_find_idev+0x102/0x170
[ 9699.071500][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9699.071500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.071500][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.071500][   T10]      netlink_unicast+0x449/0x710
[ 9699.071500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.071500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.071500][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.071500][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.071500][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.071500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.071500][   T10] 
[ 9699.073239][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9699.073488][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9699.073488][   T10]      netdev_get_by_index+0x5e/0x80
[ 9699.073488][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9699.073488][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9699.073488][   T10]      ip6_route_add+0x1c/0x140
[ 9699.073488][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9699.073488][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9699.073488][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9699.073488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.073488][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.073488][   T10]      netlink_unicast+0x449/0x710
[ 9699.073488][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.073488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.073488][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.073488][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.073488][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.073488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.073488][   T10] 
[ 9699.075529][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9699.075529][   T10]      netdev_get_by_index+0x5e/0x80
[ 9699.075529][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9699.075529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9699.075529][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9699.075529][   T10]      ipv6_add_addr+0x411/0x2000
[ 9699.075529][   T10]      inet6_addr_add+0x30e/0xa40
[ 9699.075529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9699.075529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.075529][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.075529][   T10]      netlink_unicast+0x449/0x710
[ 9699.075529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.075529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.075529][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.075529][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.075529][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.075529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.075529][   T10] 
[ 9699.077558][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9699.077558][   T10]      netdev_get_by_index+0x5e/0x80
[ 9699.077558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9699.077558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9699.077558][   T10]      ip6_route_add+0x1c/0x140
[ 9699.077558][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9699.077558][   T10]      addrconf_add_dev+0xe2/0x170
[ 9699.077558][   T10]      inet6_addr_add+0x12f/0xa40
[ 9699.077558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9699.077558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.077558][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.077558][   T10]      netlink_unicast+0x449/0x710
[ 9699.077558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.077558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.077558][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.077558][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.077558][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.077558][   T10] 
[ 9699.079561][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9699.079561][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9699.079561][   T10]      ipv6_find_idev+0x102/0x170
[ 9699.079561][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9699.079561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.079561][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.079561][   T10]      netlink_unicast+0x449/0x710
[ 9699.079561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.079561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.079561][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.079561][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.079561][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.079561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.079561][   T10] 
[ 9699.081127][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9699.081127][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9699.081127][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9699.081127][   T10]      ipv6_find_idev+0x102/0x170
[ 9699.081127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9699.081127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9699.081127][   T10]      netlink_rcv_skb+0x130/0x360
[ 9699.081127][   T10]      netlink_unicast+0x449/0x710
[ 9699.081127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9699.081127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9699.081127][   T10]      ___sys_sendmsg+0xee/0x170
[ 9699.081127][   T10]      __sys_sendmsg+0xcd/0x170
[ 9699.081127][   T10]      do_syscall_64+0xc6/0x1e0
[ 9699.081127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9699.081127][   T10] 
[ 9700.578866][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9700.579461][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9700.579461][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9700.579461][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9700.579461][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9700.579461][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9700.579461][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9700.579461][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9700.579461][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9700.579461][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9700.579461][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9700.579461][ T1078]      netlink_unicast+0x449/0x710
[ 9700.579461][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9700.579461][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9700.579461][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9700.579461][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9700.579461][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9700.579461][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9700.579461][ T1078] 
[ 9700.581967][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9700.581967][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9700.581967][ T1078]      ipv6_find_idev+0x102/0x170
[ 9700.581967][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9700.581967][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9700.581967][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9700.581967][ T1078]      netlink_unicast+0x449/0x710
[ 9700.581967][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9700.581967][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9700.581967][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9700.581967][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9700.581967][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9700.581967][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9700.581967][ T1078] 
[ 9700.583862][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9700.583862][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9700.583862][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9700.583862][ T1078]      ipv6_find_idev+0x102/0x170
[ 9700.583862][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9700.583862][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9700.583862][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9700.583862][ T1078]      netlink_unicast+0x449/0x710
[ 9700.583862][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9700.583862][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9700.583862][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9700.583862][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9700.583862][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9700.583862][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9700.583862][ T1078] 
[ 9709.322875][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9709.323357][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9709.323357][   T10]      netdev_get_by_index+0x5e/0x80
[ 9709.323357][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9709.323357][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9709.323357][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9709.323357][   T10]      ipv6_add_addr+0x411/0x2000
[ 9709.323357][   T10]      inet6_addr_add+0x30e/0xa40
[ 9709.323357][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9709.323357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.323357][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.323357][   T10]      netlink_unicast+0x449/0x710
[ 9709.323357][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.323357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.323357][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.323357][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.323357][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.323357][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.323357][   T10] 
[ 9709.325417][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9709.325417][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9709.325417][   T10]      ipv6_find_idev+0x102/0x170
[ 9709.325417][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9709.325417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.325417][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.325417][   T10]      netlink_unicast+0x449/0x710
[ 9709.325417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.325417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.325417][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.325417][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.325417][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.325417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.325417][   T10] 
[ 9709.327014][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9709.327014][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9709.327014][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9709.327014][   T10]      ipv6_find_idev+0x102/0x170
[ 9709.327014][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9709.327014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.327014][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.327014][   T10]      netlink_unicast+0x449/0x710
[ 9709.327014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.327014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.327014][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.327014][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.327014][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.327014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.327014][   T10] 
[ 9709.328759][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9709.329016][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9709.329016][   T10]      netdev_get_by_index+0x5e/0x80
[ 9709.329016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9709.329016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9709.329016][   T10]      ip6_route_add+0x1c/0x140
[ 9709.329016][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9709.329016][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9709.329016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9709.329016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.329016][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.329016][   T10]      netlink_unicast+0x449/0x710
[ 9709.329016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.329016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.329016][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.329016][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.329016][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.329016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.329016][   T10] 
[ 9709.331067][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9709.331067][   T10]      netdev_get_by_index+0x5e/0x80
[ 9709.331067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9709.331067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9709.331067][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9709.331067][   T10]      ipv6_add_addr+0x411/0x2000
[ 9709.331067][   T10]      inet6_addr_add+0x30e/0xa40
[ 9709.331067][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9709.331067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.331067][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.331067][   T10]      netlink_unicast+0x449/0x710
[ 9709.331067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.331067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.331067][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.331067][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.331067][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.331067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.331067][   T10] 
[ 9709.333114][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9709.333114][   T10]      netdev_get_by_index+0x5e/0x80
[ 9709.333114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9709.333114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9709.333114][   T10]      ip6_route_add+0x1c/0x140
[ 9709.333114][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9709.333114][   T10]      addrconf_add_dev+0xe2/0x170
[ 9709.333114][   T10]      inet6_addr_add+0x12f/0xa40
[ 9709.333114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9709.333114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.333114][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.333114][   T10]      netlink_unicast+0x449/0x710
[ 9709.333114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.333114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.333114][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.333114][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.333114][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.333114][   T10] 
[ 9709.335104][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9709.335104][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9709.335104][   T10]      ipv6_find_idev+0x102/0x170
[ 9709.335104][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9709.335104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.335104][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.335104][   T10]      netlink_unicast+0x449/0x710
[ 9709.335104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.335104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.335104][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.335104][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.335104][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.335104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.335104][   T10] 
[ 9709.336666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9709.336666][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9709.336666][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9709.336666][   T10]      ipv6_find_idev+0x102/0x170
[ 9709.336666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9709.336666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9709.336666][   T10]      netlink_rcv_skb+0x130/0x360
[ 9709.336666][   T10]      netlink_unicast+0x449/0x710
[ 9709.336666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9709.336666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9709.336666][   T10]      ___sys_sendmsg+0xee/0x170
[ 9709.336666][   T10]      __sys_sendmsg+0xcd/0x170
[ 9709.336666][   T10]      do_syscall_64+0xc6/0x1e0
[ 9709.336666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9709.336666][   T10] 
[ 9710.826878][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9710.827531][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9710.827531][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9710.827531][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9710.827531][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9710.827531][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9710.827531][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9710.827531][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9710.827531][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9710.827531][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9710.827531][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9710.827531][ T1078]      netlink_unicast+0x449/0x710
[ 9710.827531][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9710.827531][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9710.827531][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9710.827531][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9710.827531][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9710.827531][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9710.827531][ T1078] 
[ 9710.829973][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9710.829973][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9710.829973][ T1078]      ipv6_find_idev+0x102/0x170
[ 9710.829973][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9710.829973][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9710.829973][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9710.829973][ T1078]      netlink_unicast+0x449/0x710
[ 9710.829973][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9710.829973][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9710.829973][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9710.829973][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9710.829973][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9710.829973][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9710.829973][ T1078] 
[ 9710.831863][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9710.831863][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9710.831863][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9710.831863][ T1078]      ipv6_find_idev+0x102/0x170
[ 9710.831863][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9710.831863][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9710.831863][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9710.831863][ T1078]      netlink_unicast+0x449/0x710
[ 9710.831863][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9710.831863][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9710.831863][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9710.831863][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9710.831863][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9710.831863][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9710.831863][ T1078] 
[ 9719.578816][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9719.579278][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9719.579278][   T10]      netdev_get_by_index+0x5e/0x80
[ 9719.579278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9719.579278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9719.579278][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9719.579278][   T10]      ipv6_add_addr+0x411/0x2000
[ 9719.579278][   T10]      inet6_addr_add+0x30e/0xa40
[ 9719.579278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9719.579278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.579278][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.579278][   T10]      netlink_unicast+0x449/0x710
[ 9719.579278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.579278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.579278][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.579278][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.579278][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.579278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.579278][   T10] 
[ 9719.581345][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9719.581345][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9719.581345][   T10]      ipv6_find_idev+0x102/0x170
[ 9719.581345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9719.581345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.581345][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.581345][   T10]      netlink_unicast+0x449/0x710
[ 9719.581345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.581345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.581345][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.581345][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.581345][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.581345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.581345][   T10] 
[ 9719.582928][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9719.582928][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9719.582928][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9719.582928][   T10]      ipv6_find_idev+0x102/0x170
[ 9719.582928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9719.582928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.582928][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.582928][   T10]      netlink_unicast+0x449/0x710
[ 9719.582928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.582928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.582928][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.582928][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.582928][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.582928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.582928][   T10] 
[ 9719.584647][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9719.584912][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9719.584912][   T10]      netdev_get_by_index+0x5e/0x80
[ 9719.584912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9719.584912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9719.584912][   T10]      ip6_route_add+0x1c/0x140
[ 9719.584912][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9719.584912][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9719.584912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9719.584912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.584912][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.584912][   T10]      netlink_unicast+0x449/0x710
[ 9719.584912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.584912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.584912][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.584912][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.584912][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.584912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.584912][   T10] 
[ 9719.586946][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9719.586946][   T10]      netdev_get_by_index+0x5e/0x80
[ 9719.586946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9719.586946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9719.586946][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9719.586946][   T10]      ipv6_add_addr+0x411/0x2000
[ 9719.586946][   T10]      inet6_addr_add+0x30e/0xa40
[ 9719.586946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9719.586946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.586946][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.586946][   T10]      netlink_unicast+0x449/0x710
[ 9719.586946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.586946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.586946][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.586946][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.586946][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.586946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.586946][   T10] 
[ 9719.588971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9719.588971][   T10]      netdev_get_by_index+0x5e/0x80
[ 9719.588971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9719.588971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9719.588971][   T10]      ip6_route_add+0x1c/0x140
[ 9719.588971][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9719.588971][   T10]      addrconf_add_dev+0xe2/0x170
[ 9719.588971][   T10]      inet6_addr_add+0x12f/0xa40
[ 9719.588971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9719.588971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.588971][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.588971][   T10]      netlink_unicast+0x449/0x710
[ 9719.588971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.588971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.588971][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.588971][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.588971][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.588971][   T10] 
[ 9719.590963][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9719.590963][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9719.590963][   T10]      ipv6_find_idev+0x102/0x170
[ 9719.590963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9719.590963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.590963][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.590963][   T10]      netlink_unicast+0x449/0x710
[ 9719.590963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.590963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.590963][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.590963][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.590963][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.590963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.590963][   T10] 
[ 9719.592516][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9719.592516][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9719.592516][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9719.592516][   T10]      ipv6_find_idev+0x102/0x170
[ 9719.592516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9719.592516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9719.592516][   T10]      netlink_rcv_skb+0x130/0x360
[ 9719.592516][   T10]      netlink_unicast+0x449/0x710
[ 9719.592516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9719.592516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9719.592516][   T10]      ___sys_sendmsg+0xee/0x170
[ 9719.592516][   T10]      __sys_sendmsg+0xcd/0x170
[ 9719.592516][   T10]      do_syscall_64+0xc6/0x1e0
[ 9719.592516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9719.592516][   T10] 
[ 9721.074908][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9721.075497][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9721.075497][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9721.075497][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9721.075497][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9721.075497][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9721.075497][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9721.075497][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9721.075497][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9721.075497][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9721.075497][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9721.075497][ T1078]      netlink_unicast+0x449/0x710
[ 9721.075497][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9721.075497][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9721.075497][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9721.075497][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9721.075497][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9721.075497][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9721.075497][ T1078] 
[ 9721.077890][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9721.077890][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9721.077890][ T1078]      ipv6_find_idev+0x102/0x170
[ 9721.077890][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9721.077890][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9721.077890][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9721.077890][ T1078]      netlink_unicast+0x449/0x710
[ 9721.077890][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9721.077890][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9721.077890][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9721.077890][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9721.077890][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9721.077890][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9721.077890][ T1078] 
[ 9721.079864][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9721.079864][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9721.079864][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9721.079864][ T1078]      ipv6_find_idev+0x102/0x170
[ 9721.079864][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9721.079864][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9721.079864][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9721.079864][ T1078]      netlink_unicast+0x449/0x710
[ 9721.079864][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9721.079864][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9721.079864][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9721.079864][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9721.079864][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9721.079864][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9721.079864][ T1078] 
[ 9729.834739][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9729.835202][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9729.835202][   T10]      netdev_get_by_index+0x5e/0x80
[ 9729.835202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9729.835202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9729.835202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9729.835202][   T10]      ipv6_add_addr+0x411/0x2000
[ 9729.835202][   T10]      inet6_addr_add+0x30e/0xa40
[ 9729.835202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9729.835202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.835202][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.835202][   T10]      netlink_unicast+0x449/0x710
[ 9729.835202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.835202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.835202][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.835202][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.835202][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.835202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.835202][   T10] 
[ 9729.837288][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9729.837288][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9729.837288][   T10]      ipv6_find_idev+0x102/0x170
[ 9729.837288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9729.837288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.837288][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.837288][   T10]      netlink_unicast+0x449/0x710
[ 9729.837288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.837288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.837288][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.837288][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.837288][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.837288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.837288][   T10] 
[ 9729.839420][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9729.839420][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9729.839420][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9729.839420][   T10]      ipv6_find_idev+0x102/0x170
[ 9729.839420][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9729.839420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.839420][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.839420][   T10]      netlink_unicast+0x449/0x710
[ 9729.839420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.839420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.839420][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.839420][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.839420][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.839420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.839420][   T10] 
[ 9729.841133][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9729.841376][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9729.841376][   T10]      netdev_get_by_index+0x5e/0x80
[ 9729.841376][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9729.841376][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9729.841376][   T10]      ip6_route_add+0x1c/0x140
[ 9729.841376][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9729.841376][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9729.841376][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9729.841376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.841376][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.841376][   T10]      netlink_unicast+0x449/0x710
[ 9729.841376][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.841376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.841376][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.841376][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.841376][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.841376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.841376][   T10] 
[ 9729.843402][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9729.843402][   T10]      netdev_get_by_index+0x5e/0x80
[ 9729.843402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9729.843402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9729.843402][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9729.843402][   T10]      ipv6_add_addr+0x411/0x2000
[ 9729.843402][   T10]      inet6_addr_add+0x30e/0xa40
[ 9729.843402][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9729.843402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.843402][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.843402][   T10]      netlink_unicast+0x449/0x710
[ 9729.843402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.843402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.843402][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.843402][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.843402][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.843402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.843402][   T10] 
[ 9729.845424][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9729.845424][   T10]      netdev_get_by_index+0x5e/0x80
[ 9729.845424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9729.845424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9729.845424][   T10]      ip6_route_add+0x1c/0x140
[ 9729.845424][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9729.845424][   T10]      addrconf_add_dev+0xe2/0x170
[ 9729.845424][   T10]      inet6_addr_add+0x12f/0xa40
[ 9729.845424][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9729.845424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.845424][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.845424][   T10]      netlink_unicast+0x449/0x710
[ 9729.845424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.845424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.845424][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.845424][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.845424][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.845424][   T10] 
[ 9729.847422][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9729.847422][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9729.847422][   T10]      ipv6_find_idev+0x102/0x170
[ 9729.847422][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9729.847422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.847422][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.847422][   T10]      netlink_unicast+0x449/0x710
[ 9729.847422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.847422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.847422][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.847422][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.847422][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.847422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.847422][   T10] 
[ 9729.848999][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9729.848999][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9729.848999][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9729.848999][   T10]      ipv6_find_idev+0x102/0x170
[ 9729.848999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9729.848999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9729.848999][   T10]      netlink_rcv_skb+0x130/0x360
[ 9729.848999][   T10]      netlink_unicast+0x449/0x710
[ 9729.848999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9729.848999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9729.848999][   T10]      ___sys_sendmsg+0xee/0x170
[ 9729.848999][   T10]      __sys_sendmsg+0xcd/0x170
[ 9729.848999][   T10]      do_syscall_64+0xc6/0x1e0
[ 9729.848999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9729.848999][   T10] 
[ 9731.322847][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9731.323473][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9731.323473][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9731.323473][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9731.323473][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9731.323473][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9731.323473][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9731.323473][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9731.323473][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9731.323473][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9731.323473][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9731.323473][ T1078]      netlink_unicast+0x449/0x710
[ 9731.323473][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9731.323473][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9731.323473][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9731.323473][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9731.323473][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9731.323473][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9731.323473][ T1078] 
[ 9731.326073][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9731.326073][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9731.326073][ T1078]      ipv6_find_idev+0x102/0x170
[ 9731.326073][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9731.326073][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9731.326073][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9731.326073][ T1078]      netlink_unicast+0x449/0x710
[ 9731.326073][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9731.326073][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9731.326073][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9731.326073][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9731.326073][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9731.326073][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9731.326073][ T1078] 
[ 9731.328013][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9731.328013][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9731.328013][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9731.328013][ T1078]      ipv6_find_idev+0x102/0x170
[ 9731.328013][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9731.328013][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9731.328013][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9731.328013][ T1078]      netlink_unicast+0x449/0x710
[ 9731.328013][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9731.328013][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9731.328013][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9731.328013][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9731.328013][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9731.328013][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9731.328013][ T1078] 
[ 9740.090902][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9740.091549][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9740.091549][   T10]      netdev_get_by_index+0x5e/0x80
[ 9740.091549][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9740.091549][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9740.091549][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9740.091549][   T10]      ipv6_add_addr+0x411/0x2000
[ 9740.091549][   T10]      inet6_addr_add+0x30e/0xa40
[ 9740.091549][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9740.091549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.091549][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.091549][   T10]      netlink_unicast+0x449/0x710
[ 9740.091549][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.091549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.091549][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.091549][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.091549][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.091549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.091549][   T10] 
[ 9740.093706][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9740.093706][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9740.093706][   T10]      ipv6_find_idev+0x102/0x170
[ 9740.093706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9740.093706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.093706][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.093706][   T10]      netlink_unicast+0x449/0x710
[ 9740.093706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.093706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.093706][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.093706][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.093706][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.093706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.093706][   T10] 
[ 9740.095379][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9740.095379][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9740.095379][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9740.095379][   T10]      ipv6_find_idev+0x102/0x170
[ 9740.095379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9740.095379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.095379][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.095379][   T10]      netlink_unicast+0x449/0x710
[ 9740.095379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.095379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.095379][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.095379][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.095379][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.095379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.095379][   T10] 
[ 9740.097229][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9740.097492][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9740.097492][   T10]      netdev_get_by_index+0x5e/0x80
[ 9740.097492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9740.097492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9740.097492][   T10]      ip6_route_add+0x1c/0x140
[ 9740.097492][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9740.097492][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9740.097492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9740.097492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.097492][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.097492][   T10]      netlink_unicast+0x449/0x710
[ 9740.097492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.097492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.097492][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.097492][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.097492][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.097492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.097492][   T10] 
[ 9740.099805][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9740.099805][   T10]      netdev_get_by_index+0x5e/0x80
[ 9740.099805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9740.099805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9740.099805][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9740.099805][   T10]      ipv6_add_addr+0x411/0x2000
[ 9740.099805][   T10]      inet6_addr_add+0x30e/0xa40
[ 9740.099805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9740.099805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.099805][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.099805][   T10]      netlink_unicast+0x449/0x710
[ 9740.099805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.099805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.099805][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.099805][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.099805][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.099805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.099805][   T10] 
[ 9740.102073][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9740.102073][   T10]      netdev_get_by_index+0x5e/0x80
[ 9740.102073][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9740.102073][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9740.102073][   T10]      ip6_route_add+0x1c/0x140
[ 9740.102073][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9740.102073][   T10]      addrconf_add_dev+0xe2/0x170
[ 9740.102073][   T10]      inet6_addr_add+0x12f/0xa40
[ 9740.102073][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9740.102073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.102073][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.102073][   T10]      netlink_unicast+0x449/0x710
[ 9740.102073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.102073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.102073][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.102073][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.102073][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.102073][   T10] 
[ 9740.104655][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9740.104655][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9740.104655][   T10]      ipv6_find_idev+0x102/0x170
[ 9740.104655][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9740.104655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.104655][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.104655][   T10]      netlink_unicast+0x449/0x710
[ 9740.104655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.104655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.104655][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.104655][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.104655][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.104655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.104655][   T10] 
[ 9740.106360][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9740.106360][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9740.106360][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9740.106360][   T10]      ipv6_find_idev+0x102/0x170
[ 9740.106360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9740.106360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9740.106360][   T10]      netlink_rcv_skb+0x130/0x360
[ 9740.106360][   T10]      netlink_unicast+0x449/0x710
[ 9740.106360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9740.106360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9740.106360][   T10]      ___sys_sendmsg+0xee/0x170
[ 9740.106360][   T10]      __sys_sendmsg+0xcd/0x170
[ 9740.106360][   T10]      do_syscall_64+0xc6/0x1e0
[ 9740.106360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9740.106360][   T10] 
[ 9741.570794][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9741.571297][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9741.571297][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9741.571297][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9741.571297][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9741.571297][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9741.571297][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9741.571297][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9741.571297][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9741.571297][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9741.571297][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9741.571297][ T1078]      netlink_unicast+0x449/0x710
[ 9741.571297][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9741.571297][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9741.571297][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9741.571297][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9741.571297][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9741.571297][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9741.571297][ T1078] 
[ 9741.573610][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9741.573610][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9741.573610][ T1078]      ipv6_find_idev+0x102/0x170
[ 9741.573610][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9741.573610][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9741.573610][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9741.573610][ T1078]      netlink_unicast+0x449/0x710
[ 9741.573610][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9741.573610][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9741.573610][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9741.573610][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9741.573610][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9741.573610][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9741.573610][ T1078] 
[ 9741.575392][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9741.575392][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9741.575392][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9741.575392][ T1078]      ipv6_find_idev+0x102/0x170
[ 9741.575392][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9741.575392][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9741.575392][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9741.575392][ T1078]      netlink_unicast+0x449/0x710
[ 9741.575392][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9741.575392][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9741.575392][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9741.575392][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9741.575392][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9741.575392][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9741.575392][ T1078] 
[ 9750.346866][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9750.347608][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9750.347608][   T10]      netdev_get_by_index+0x5e/0x80
[ 9750.347608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9750.347608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9750.347608][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9750.347608][   T10]      ipv6_add_addr+0x411/0x2000
[ 9750.347608][   T10]      inet6_addr_add+0x30e/0xa40
[ 9750.347608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9750.347608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.347608][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.347608][   T10]      netlink_unicast+0x449/0x710
[ 9750.347608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.347608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.347608][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.347608][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.347608][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.347608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.347608][   T10] 
[ 9750.349839][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9750.349839][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9750.349839][   T10]      ipv6_find_idev+0x102/0x170
[ 9750.349839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9750.349839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.349839][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.349839][   T10]      netlink_unicast+0x449/0x710
[ 9750.349839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.349839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.349839][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.349839][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.349839][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.349839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.349839][   T10] 
[ 9750.351556][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9750.351556][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9750.351556][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9750.351556][   T10]      ipv6_find_idev+0x102/0x170
[ 9750.351556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9750.351556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.351556][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.351556][   T10]      netlink_unicast+0x449/0x710
[ 9750.351556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.351556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.351556][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.351556][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.351556][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.351556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.351556][   T10] 
[ 9750.353417][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9750.353674][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9750.353674][   T10]      netdev_get_by_index+0x5e/0x80
[ 9750.353674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9750.353674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9750.353674][   T10]      ip6_route_add+0x1c/0x140
[ 9750.353674][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9750.353674][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9750.353674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9750.353674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.353674][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.353674][   T10]      netlink_unicast+0x449/0x710
[ 9750.353674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.353674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.353674][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.353674][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.353674][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.353674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.353674][   T10] 
[ 9750.356004][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9750.356004][   T10]      netdev_get_by_index+0x5e/0x80
[ 9750.356004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9750.356004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9750.356004][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9750.356004][   T10]      ipv6_add_addr+0x411/0x2000
[ 9750.356004][   T10]      inet6_addr_add+0x30e/0xa40
[ 9750.356004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9750.356004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.356004][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.356004][   T10]      netlink_unicast+0x449/0x710
[ 9750.356004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.356004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.356004][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.356004][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.356004][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.356004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.356004][   T10] 
[ 9750.358214][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9750.358214][   T10]      netdev_get_by_index+0x5e/0x80
[ 9750.358214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9750.358214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9750.358214][   T10]      ip6_route_add+0x1c/0x140
[ 9750.358214][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9750.358214][   T10]      addrconf_add_dev+0xe2/0x170
[ 9750.358214][   T10]      inet6_addr_add+0x12f/0xa40
[ 9750.358214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9750.358214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.358214][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.358214][   T10]      netlink_unicast+0x449/0x710
[ 9750.358214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.358214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.358214][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.358214][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.358214][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.358214][   T10] 
[ 9750.360508][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9750.360508][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9750.360508][   T10]      ipv6_find_idev+0x102/0x170
[ 9750.360508][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9750.360508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.360508][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.360508][   T10]      netlink_unicast+0x449/0x710
[ 9750.360508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.360508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.360508][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.360508][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.360508][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.360508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.360508][   T10] 
[ 9750.362469][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9750.362469][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9750.362469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9750.362469][   T10]      ipv6_find_idev+0x102/0x170
[ 9750.362469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9750.362469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9750.362469][   T10]      netlink_rcv_skb+0x130/0x360
[ 9750.362469][   T10]      netlink_unicast+0x449/0x710
[ 9750.362469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9750.362469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9750.362469][   T10]      ___sys_sendmsg+0xee/0x170
[ 9750.362469][   T10]      __sys_sendmsg+0xcd/0x170
[ 9750.362469][   T10]      do_syscall_64+0xc6/0x1e0
[ 9750.362469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9750.362469][   T10] 
[ 9751.818800][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9751.819312][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9751.819312][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9751.819312][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9751.819312][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9751.819312][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9751.819312][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9751.819312][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9751.819312][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9751.819312][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9751.819312][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9751.819312][ T1078]      netlink_unicast+0x449/0x710
[ 9751.819312][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9751.819312][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9751.819312][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9751.819312][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9751.819312][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9751.819312][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9751.819312][ T1078] 
[ 9751.821617][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9751.821617][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9751.821617][ T1078]      ipv6_find_idev+0x102/0x170
[ 9751.821617][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9751.821617][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9751.821617][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9751.821617][ T1078]      netlink_unicast+0x449/0x710
[ 9751.821617][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9751.821617][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9751.821617][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9751.821617][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9751.821617][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9751.821617][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9751.821617][ T1078] 
[ 9751.823383][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9751.823383][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9751.823383][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9751.823383][ T1078]      ipv6_find_idev+0x102/0x170
[ 9751.823383][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9751.823383][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9751.823383][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9751.823383][ T1078]      netlink_unicast+0x449/0x710
[ 9751.823383][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9751.823383][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9751.823383][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9751.823383][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9751.823383][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9751.823383][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9751.823383][ T1078] 
[ 9760.602812][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9760.603250][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9760.603250][   T10]      netdev_get_by_index+0x5e/0x80
[ 9760.603250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9760.603250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9760.603250][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9760.603250][   T10]      ipv6_add_addr+0x411/0x2000
[ 9760.603250][   T10]      inet6_addr_add+0x30e/0xa40
[ 9760.603250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9760.603250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.603250][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.603250][   T10]      netlink_unicast+0x449/0x710
[ 9760.603250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.603250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.603250][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.603250][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.603250][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.603250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.603250][   T10] 
[ 9760.605471][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9760.605471][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9760.605471][   T10]      ipv6_find_idev+0x102/0x170
[ 9760.605471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9760.605471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.605471][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.605471][   T10]      netlink_unicast+0x449/0x710
[ 9760.605471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.605471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.605471][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.605471][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.605471][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.605471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.605471][   T10] 
[ 9760.607160][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9760.607160][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9760.607160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9760.607160][   T10]      ipv6_find_idev+0x102/0x170
[ 9760.607160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9760.607160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.607160][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.607160][   T10]      netlink_unicast+0x449/0x710
[ 9760.607160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.607160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.607160][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.607160][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.607160][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.607160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.607160][   T10] 
[ 9760.609025][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9760.609298][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9760.609298][   T10]      netdev_get_by_index+0x5e/0x80
[ 9760.609298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9760.609298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9760.609298][   T10]      ip6_route_add+0x1c/0x140
[ 9760.609298][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9760.609298][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9760.609298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9760.609298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.609298][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.609298][   T10]      netlink_unicast+0x449/0x710
[ 9760.609298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.609298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.609298][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.609298][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.609298][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.609298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.609298][   T10] 
[ 9760.611465][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9760.611465][   T10]      netdev_get_by_index+0x5e/0x80
[ 9760.611465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9760.611465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9760.611465][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9760.611465][   T10]      ipv6_add_addr+0x411/0x2000
[ 9760.611465][   T10]      inet6_addr_add+0x30e/0xa40
[ 9760.611465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9760.611465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.611465][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.611465][   T10]      netlink_unicast+0x449/0x710
[ 9760.611465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.611465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.611465][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.611465][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.611465][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.611465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.611465][   T10] 
[ 9760.613596][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9760.613596][   T10]      netdev_get_by_index+0x5e/0x80
[ 9760.613596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9760.613596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9760.613596][   T10]      ip6_route_add+0x1c/0x140
[ 9760.613596][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9760.613596][   T10]      addrconf_add_dev+0xe2/0x170
[ 9760.613596][   T10]      inet6_addr_add+0x12f/0xa40
[ 9760.613596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9760.613596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.613596][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.613596][   T10]      netlink_unicast+0x449/0x710
[ 9760.613596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.613596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.613596][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.613596][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.613596][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.613596][   T10] 
[ 9760.615760][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9760.615760][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9760.615760][   T10]      ipv6_find_idev+0x102/0x170
[ 9760.615760][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9760.615760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.615760][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.615760][   T10]      netlink_unicast+0x449/0x710
[ 9760.615760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.615760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.615760][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.615760][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.615760][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.615760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.615760][   T10] 
[ 9760.617381][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9760.617381][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9760.617381][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9760.617381][   T10]      ipv6_find_idev+0x102/0x170
[ 9760.617381][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9760.617381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9760.617381][   T10]      netlink_rcv_skb+0x130/0x360
[ 9760.617381][   T10]      netlink_unicast+0x449/0x710
[ 9760.617381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9760.617381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9760.617381][   T10]      ___sys_sendmsg+0xee/0x170
[ 9760.617381][   T10]      __sys_sendmsg+0xcd/0x170
[ 9760.617381][   T10]      do_syscall_64+0xc6/0x1e0
[ 9760.617381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9760.617381][   T10] 
[ 9762.066815][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9762.067317][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9762.067317][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9762.067317][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9762.067317][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9762.067317][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9762.067317][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9762.067317][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9762.067317][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9762.067317][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9762.067317][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9762.067317][ T1078]      netlink_unicast+0x449/0x710
[ 9762.067317][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9762.067317][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9762.067317][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9762.067317][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9762.067317][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9762.067317][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9762.067317][ T1078] 
[ 9762.069655][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9762.069655][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9762.069655][ T1078]      ipv6_find_idev+0x102/0x170
[ 9762.069655][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9762.069655][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9762.069655][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9762.069655][ T1078]      netlink_unicast+0x449/0x710
[ 9762.069655][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9762.069655][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9762.069655][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9762.069655][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9762.069655][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9762.069655][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9762.069655][ T1078] 
[ 9762.071426][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9762.071426][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9762.071426][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9762.071426][ T1078]      ipv6_find_idev+0x102/0x170
[ 9762.071426][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9762.071426][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9762.071426][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9762.071426][ T1078]      netlink_unicast+0x449/0x710
[ 9762.071426][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9762.071426][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9762.071426][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9762.071426][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9762.071426][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9762.071426][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9762.071426][ T1078] 
[ 9770.858859][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9770.859557][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9770.859557][   T10]      netdev_get_by_index+0x5e/0x80
[ 9770.859557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9770.859557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9770.859557][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9770.859557][   T10]      ipv6_add_addr+0x411/0x2000
[ 9770.859557][   T10]      inet6_addr_add+0x30e/0xa40
[ 9770.859557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9770.859557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.859557][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.859557][   T10]      netlink_unicast+0x449/0x710
[ 9770.859557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.859557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.859557][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.859557][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.859557][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.859557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.859557][   T10] 
[ 9770.861813][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9770.861813][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9770.861813][   T10]      ipv6_find_idev+0x102/0x170
[ 9770.861813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9770.861813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.861813][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.861813][   T10]      netlink_unicast+0x449/0x710
[ 9770.861813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.861813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.861813][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.861813][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.861813][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.861813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.861813][   T10] 
[ 9770.863628][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9770.863628][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9770.863628][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9770.863628][   T10]      ipv6_find_idev+0x102/0x170
[ 9770.863628][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9770.863628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.863628][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.863628][   T10]      netlink_unicast+0x449/0x710
[ 9770.863628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.863628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.863628][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.863628][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.863628][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.863628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.863628][   T10] 
[ 9770.865503][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9770.865777][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9770.865777][   T10]      netdev_get_by_index+0x5e/0x80
[ 9770.865777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9770.865777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9770.865777][   T10]      ip6_route_add+0x1c/0x140
[ 9770.865777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9770.865777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9770.865777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9770.865777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.865777][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.865777][   T10]      netlink_unicast+0x449/0x710
[ 9770.865777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.865777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.865777][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.865777][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.865777][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.865777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.865777][   T10] 
[ 9770.868013][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9770.868013][   T10]      netdev_get_by_index+0x5e/0x80
[ 9770.868013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9770.868013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9770.868013][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9770.868013][   T10]      ipv6_add_addr+0x411/0x2000
[ 9770.868013][   T10]      inet6_addr_add+0x30e/0xa40
[ 9770.868013][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9770.868013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.868013][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.868013][   T10]      netlink_unicast+0x449/0x710
[ 9770.868013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.868013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.868013][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.868013][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.868013][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.868013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.868013][   T10] 
[ 9770.870369][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9770.870369][   T10]      netdev_get_by_index+0x5e/0x80
[ 9770.870369][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9770.870369][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9770.870369][   T10]      ip6_route_add+0x1c/0x140
[ 9770.870369][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9770.870369][   T10]      addrconf_add_dev+0xe2/0x170
[ 9770.870369][   T10]      inet6_addr_add+0x12f/0xa40
[ 9770.870369][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9770.870369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.870369][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.870369][   T10]      netlink_unicast+0x449/0x710
[ 9770.870369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.870369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.870369][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.870369][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.870369][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.870369][   T10] 
[ 9770.872602][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9770.872602][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9770.872602][   T10]      ipv6_find_idev+0x102/0x170
[ 9770.872602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9770.872602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.872602][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.872602][   T10]      netlink_unicast+0x449/0x710
[ 9770.872602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.872602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.872602][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.872602][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.872602][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.872602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.872602][   T10] 
[ 9770.874394][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9770.874394][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9770.874394][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9770.874394][   T10]      ipv6_find_idev+0x102/0x170
[ 9770.874394][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9770.874394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9770.874394][   T10]      netlink_rcv_skb+0x130/0x360
[ 9770.874394][   T10]      netlink_unicast+0x449/0x710
[ 9770.874394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9770.874394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9770.874394][   T10]      ___sys_sendmsg+0xee/0x170
[ 9770.874394][   T10]      __sys_sendmsg+0xcd/0x170
[ 9770.874394][   T10]      do_syscall_64+0xc6/0x1e0
[ 9770.874394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9770.874394][   T10] 
[ 9772.138786][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9772.139271][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9772.139271][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9772.139271][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9772.139271][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9772.139271][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9772.139271][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9772.139271][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9772.139271][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9772.139271][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9772.139271][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9772.139271][ T1078]      netlink_unicast+0x449/0x710
[ 9772.139271][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9772.139271][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9772.139271][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9772.139271][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9772.139271][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9772.139271][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9772.139271][ T1078] 
[ 9772.141581][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9772.141581][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9772.141581][ T1078]      ipv6_find_idev+0x102/0x170
[ 9772.141581][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9772.141581][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9772.141581][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9772.141581][ T1078]      netlink_unicast+0x449/0x710
[ 9772.141581][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9772.141581][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9772.141581][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9772.141581][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9772.141581][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9772.141581][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9772.141581][ T1078] 
[ 9772.143340][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9772.143340][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9772.143340][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9772.143340][ T1078]      ipv6_find_idev+0x102/0x170
[ 9772.143340][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9772.143340][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9772.143340][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9772.143340][ T1078]      netlink_unicast+0x449/0x710
[ 9772.143340][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9772.143340][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9772.143340][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9772.143340][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9772.143340][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9772.143340][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9772.143340][ T1078] 
[ 9780.930820][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9780.931646][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9780.931646][   T10]      netdev_get_by_index+0x5e/0x80
[ 9780.931646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9780.931646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9780.931646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9780.931646][   T10]      ipv6_add_addr+0x411/0x2000
[ 9780.931646][   T10]      inet6_addr_add+0x30e/0xa40
[ 9780.931646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9780.931646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.931646][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.931646][   T10]      netlink_unicast+0x449/0x710
[ 9780.931646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.931646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.931646][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.931646][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.931646][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.931646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.931646][   T10] 
[ 9780.933890][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9780.933890][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9780.933890][   T10]      ipv6_find_idev+0x102/0x170
[ 9780.933890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9780.933890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.933890][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.933890][   T10]      netlink_unicast+0x449/0x710
[ 9780.933890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.933890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.933890][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.933890][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.933890][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.933890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.933890][   T10] 
[ 9780.935581][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9780.935581][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9780.935581][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9780.935581][   T10]      ipv6_find_idev+0x102/0x170
[ 9780.935581][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9780.935581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.935581][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.935581][   T10]      netlink_unicast+0x449/0x710
[ 9780.935581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.935581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.935581][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.935581][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.935581][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.935581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.935581][   T10] 
[ 9780.937512][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9780.937788][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9780.937788][   T10]      netdev_get_by_index+0x5e/0x80
[ 9780.937788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9780.937788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9780.937788][   T10]      ip6_route_add+0x1c/0x140
[ 9780.937788][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9780.937788][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9780.937788][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9780.937788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.937788][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.937788][   T10]      netlink_unicast+0x449/0x710
[ 9780.937788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.937788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.937788][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.937788][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.937788][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.937788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.937788][   T10] 
[ 9780.940046][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9780.940046][   T10]      netdev_get_by_index+0x5e/0x80
[ 9780.940046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9780.940046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9780.940046][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9780.940046][   T10]      ipv6_add_addr+0x411/0x2000
[ 9780.940046][   T10]      inet6_addr_add+0x30e/0xa40
[ 9780.940046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9780.940046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.940046][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.940046][   T10]      netlink_unicast+0x449/0x710
[ 9780.940046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.940046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.940046][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.940046][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.940046][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.940046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.940046][   T10] 
[ 9780.942332][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9780.942332][   T10]      netdev_get_by_index+0x5e/0x80
[ 9780.942332][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9780.942332][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9780.942332][   T10]      ip6_route_add+0x1c/0x140
[ 9780.942332][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9780.942332][   T10]      addrconf_add_dev+0xe2/0x170
[ 9780.942332][   T10]      inet6_addr_add+0x12f/0xa40
[ 9780.942332][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9780.942332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.942332][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.942332][   T10]      netlink_unicast+0x449/0x710
[ 9780.942332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.942332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.942332][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.942332][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.942332][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.942332][   T10] 
[ 9780.944460][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9780.944460][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9780.944460][   T10]      ipv6_find_idev+0x102/0x170
[ 9780.944460][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9780.944460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.944460][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.944460][   T10]      netlink_unicast+0x449/0x710
[ 9780.944460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.944460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.944460][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.944460][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.944460][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.944460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.944460][   T10] 
[ 9780.946234][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9780.946234][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9780.946234][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9780.946234][   T10]      ipv6_find_idev+0x102/0x170
[ 9780.946234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9780.946234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9780.946234][   T10]      netlink_rcv_skb+0x130/0x360
[ 9780.946234][   T10]      netlink_unicast+0x449/0x710
[ 9780.946234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9780.946234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9780.946234][   T10]      ___sys_sendmsg+0xee/0x170
[ 9780.946234][   T10]      __sys_sendmsg+0xcd/0x170
[ 9780.946234][   T10]      do_syscall_64+0xc6/0x1e0
[ 9780.946234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9780.946234][   T10] 
[ 9782.386854][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9782.387422][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9782.387422][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9782.387422][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9782.387422][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9782.387422][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9782.387422][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9782.387422][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9782.387422][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9782.387422][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9782.387422][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9782.387422][ T1078]      netlink_unicast+0x449/0x710
[ 9782.387422][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9782.387422][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9782.387422][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9782.387422][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9782.387422][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9782.387422][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9782.387422][ T1078] 
[ 9782.389747][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9782.389747][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9782.389747][ T1078]      ipv6_find_idev+0x102/0x170
[ 9782.389747][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9782.389747][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9782.389747][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9782.389747][ T1078]      netlink_unicast+0x449/0x710
[ 9782.389747][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9782.389747][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9782.389747][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9782.389747][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9782.389747][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9782.389747][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9782.389747][ T1078] 
[ 9782.391501][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9782.391501][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9782.391501][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9782.391501][ T1078]      ipv6_find_idev+0x102/0x170
[ 9782.391501][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9782.391501][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9782.391501][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9782.391501][ T1078]      netlink_unicast+0x449/0x710
[ 9782.391501][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9782.391501][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9782.391501][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9782.391501][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9782.391501][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9782.391501][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9782.391501][ T1078] 
[ 9791.186818][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9791.187277][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9791.187277][   T10]      netdev_get_by_index+0x5e/0x80
[ 9791.187277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9791.187277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9791.187277][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9791.187277][   T10]      ipv6_add_addr+0x411/0x2000
[ 9791.187277][   T10]      inet6_addr_add+0x30e/0xa40
[ 9791.187277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9791.187277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.187277][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.187277][   T10]      netlink_unicast+0x449/0x710
[ 9791.187277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.187277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.187277][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.187277][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.187277][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.187277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.187277][   T10] 
[ 9791.189616][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9791.189616][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9791.189616][   T10]      ipv6_find_idev+0x102/0x170
[ 9791.189616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9791.189616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.189616][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.189616][   T10]      netlink_unicast+0x449/0x710
[ 9791.189616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.189616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.189616][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.189616][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.189616][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.189616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.189616][   T10] 
[ 9791.191369][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9791.191369][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9791.191369][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9791.191369][   T10]      ipv6_find_idev+0x102/0x170
[ 9791.191369][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9791.191369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.191369][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.191369][   T10]      netlink_unicast+0x449/0x710
[ 9791.191369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.191369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.191369][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.191369][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.191369][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.191369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.191369][   T10] 
[ 9791.193206][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9791.193458][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9791.193458][   T10]      netdev_get_by_index+0x5e/0x80
[ 9791.193458][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9791.193458][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9791.193458][   T10]      ip6_route_add+0x1c/0x140
[ 9791.193458][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9791.193458][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9791.193458][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9791.193458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.193458][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.193458][   T10]      netlink_unicast+0x449/0x710
[ 9791.193458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.193458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.193458][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.193458][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.193458][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.193458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.193458][   T10] 
[ 9791.195740][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9791.195740][   T10]      netdev_get_by_index+0x5e/0x80
[ 9791.195740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9791.195740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9791.195740][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9791.195740][   T10]      ipv6_add_addr+0x411/0x2000
[ 9791.195740][   T10]      inet6_addr_add+0x30e/0xa40
[ 9791.195740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9791.195740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.195740][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.195740][   T10]      netlink_unicast+0x449/0x710
[ 9791.195740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.195740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.195740][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.195740][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.195740][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.195740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.195740][   T10] 
[ 9791.197943][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9791.197943][   T10]      netdev_get_by_index+0x5e/0x80
[ 9791.197943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9791.197943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9791.197943][   T10]      ip6_route_add+0x1c/0x140
[ 9791.197943][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9791.197943][   T10]      addrconf_add_dev+0xe2/0x170
[ 9791.197943][   T10]      inet6_addr_add+0x12f/0xa40
[ 9791.197943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9791.197943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.197943][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.197943][   T10]      netlink_unicast+0x449/0x710
[ 9791.197943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.197943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.197943][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.197943][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.197943][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.197943][   T10] 
[ 9791.200236][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9791.200236][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9791.200236][   T10]      ipv6_find_idev+0x102/0x170
[ 9791.200236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9791.200236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.200236][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.200236][   T10]      netlink_unicast+0x449/0x710
[ 9791.200236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.200236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.200236][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.200236][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.200236][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.200236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.200236][   T10] 
[ 9791.202037][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9791.202037][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9791.202037][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9791.202037][   T10]      ipv6_find_idev+0x102/0x170
[ 9791.202037][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9791.202037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9791.202037][   T10]      netlink_rcv_skb+0x130/0x360
[ 9791.202037][   T10]      netlink_unicast+0x449/0x710
[ 9791.202037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9791.202037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9791.202037][   T10]      ___sys_sendmsg+0xee/0x170
[ 9791.202037][   T10]      __sys_sendmsg+0xcd/0x170
[ 9791.202037][   T10]      do_syscall_64+0xc6/0x1e0
[ 9791.202037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9791.202037][   T10] 
[ 9792.634792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9792.635315][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9792.635315][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9792.635315][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9792.635315][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9792.635315][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9792.635315][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9792.635315][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9792.635315][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9792.635315][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9792.635315][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9792.635315][ T1078]      netlink_unicast+0x449/0x710
[ 9792.635315][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9792.635315][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9792.635315][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9792.635315][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9792.635315][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9792.635315][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9792.635315][ T1078] 
[ 9792.637669][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9792.637669][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9792.637669][ T1078]      ipv6_find_idev+0x102/0x170
[ 9792.637669][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9792.637669][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9792.637669][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9792.637669][ T1078]      netlink_unicast+0x449/0x710
[ 9792.637669][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9792.637669][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9792.637669][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9792.637669][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9792.637669][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9792.637669][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9792.637669][ T1078] 
[ 9792.639459][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9792.639459][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9792.639459][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9792.639459][ T1078]      ipv6_find_idev+0x102/0x170
[ 9792.639459][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9792.639459][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9792.639459][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9792.639459][ T1078]      netlink_unicast+0x449/0x710
[ 9792.639459][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9792.639459][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9792.639459][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9792.639459][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9792.639459][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9792.639459][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9792.639459][ T1078] 
[ 9801.442878][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9801.443546][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9801.443546][   T10]      netdev_get_by_index+0x5e/0x80
[ 9801.443546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9801.443546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9801.443546][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9801.443546][   T10]      ipv6_add_addr+0x411/0x2000
[ 9801.443546][   T10]      inet6_addr_add+0x30e/0xa40
[ 9801.443546][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9801.443546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.443546][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.443546][   T10]      netlink_unicast+0x449/0x710
[ 9801.443546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.443546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.443546][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.443546][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.443546][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.443546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.443546][   T10] 
[ 9801.445805][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9801.445805][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9801.445805][   T10]      ipv6_find_idev+0x102/0x170
[ 9801.445805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9801.445805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.445805][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.445805][   T10]      netlink_unicast+0x449/0x710
[ 9801.445805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.445805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.445805][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.445805][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.445805][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.445805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.445805][   T10] 
[ 9801.447537][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9801.447537][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9801.447537][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9801.447537][   T10]      ipv6_find_idev+0x102/0x170
[ 9801.447537][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9801.447537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.447537][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.447537][   T10]      netlink_unicast+0x449/0x710
[ 9801.447537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.447537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.447537][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.447537][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.447537][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.447537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.447537][   T10] 
[ 9801.449468][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9801.449731][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9801.449731][   T10]      netdev_get_by_index+0x5e/0x80
[ 9801.449731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9801.449731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9801.449731][   T10]      ip6_route_add+0x1c/0x140
[ 9801.449731][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9801.449731][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9801.449731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9801.449731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.449731][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.449731][   T10]      netlink_unicast+0x449/0x710
[ 9801.449731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.449731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.449731][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.449731][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.449731][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.449731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.449731][   T10] 
[ 9801.451911][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9801.451911][   T10]      netdev_get_by_index+0x5e/0x80
[ 9801.451911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9801.451911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9801.451911][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9801.451911][   T10]      ipv6_add_addr+0x411/0x2000
[ 9801.451911][   T10]      inet6_addr_add+0x30e/0xa40
[ 9801.451911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9801.451911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.451911][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.451911][   T10]      netlink_unicast+0x449/0x710
[ 9801.451911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.451911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.451911][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.451911][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.451911][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.451911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.451911][   T10] 
[ 9801.454127][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9801.454127][   T10]      netdev_get_by_index+0x5e/0x80
[ 9801.454127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9801.454127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9801.454127][   T10]      ip6_route_add+0x1c/0x140
[ 9801.454127][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9801.454127][   T10]      addrconf_add_dev+0xe2/0x170
[ 9801.454127][   T10]      inet6_addr_add+0x12f/0xa40
[ 9801.454127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9801.454127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.454127][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.454127][   T10]      netlink_unicast+0x449/0x710
[ 9801.454127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.454127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.454127][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.454127][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.454127][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.454127][   T10] 
[ 9801.456337][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9801.456337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9801.456337][   T10]      ipv6_find_idev+0x102/0x170
[ 9801.456337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9801.456337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.456337][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.456337][   T10]      netlink_unicast+0x449/0x710
[ 9801.456337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.456337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.456337][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.456337][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.456337][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.456337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.456337][   T10] 
[ 9801.458083][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9801.458083][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9801.458083][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9801.458083][   T10]      ipv6_find_idev+0x102/0x170
[ 9801.458083][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9801.458083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9801.458083][   T10]      netlink_rcv_skb+0x130/0x360
[ 9801.458083][   T10]      netlink_unicast+0x449/0x710
[ 9801.458083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9801.458083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9801.458083][   T10]      ___sys_sendmsg+0xee/0x170
[ 9801.458083][   T10]      __sys_sendmsg+0xcd/0x170
[ 9801.458083][   T10]      do_syscall_64+0xc6/0x1e0
[ 9801.458083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9801.458083][   T10] 
[ 9802.882820][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9802.883298][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9802.883298][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9802.883298][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9802.883298][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9802.883298][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9802.883298][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9802.883298][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9802.883298][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9802.883298][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9802.883298][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9802.883298][ T1078]      netlink_unicast+0x449/0x710
[ 9802.883298][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9802.883298][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9802.883298][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9802.883298][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9802.883298][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9802.883298][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9802.883298][ T1078] 
[ 9802.885609][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9802.885609][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9802.885609][ T1078]      ipv6_find_idev+0x102/0x170
[ 9802.885609][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9802.885609][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9802.885609][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9802.885609][ T1078]      netlink_unicast+0x449/0x710
[ 9802.885609][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9802.885609][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9802.885609][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9802.885609][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9802.885609][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9802.885609][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9802.885609][ T1078] 
[ 9802.887376][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9802.887376][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9802.887376][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9802.887376][ T1078]      ipv6_find_idev+0x102/0x170
[ 9802.887376][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9802.887376][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9802.887376][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9802.887376][ T1078]      netlink_unicast+0x449/0x710
[ 9802.887376][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9802.887376][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9802.887376][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9802.887376][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9802.887376][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9802.887376][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9802.887376][ T1078] 
[ 9811.698795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9811.699249][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9811.699249][   T10]      netdev_get_by_index+0x5e/0x80
[ 9811.699249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9811.699249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9811.699249][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9811.699249][   T10]      ipv6_add_addr+0x411/0x2000
[ 9811.699249][   T10]      inet6_addr_add+0x30e/0xa40
[ 9811.699249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9811.699249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.699249][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.699249][   T10]      netlink_unicast+0x449/0x710
[ 9811.699249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.699249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.699249][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.699249][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.699249][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.699249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.699249][   T10] 
[ 9811.701337][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9811.701337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9811.701337][   T10]      ipv6_find_idev+0x102/0x170
[ 9811.701337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9811.701337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.701337][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.701337][   T10]      netlink_unicast+0x449/0x710
[ 9811.701337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.701337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.701337][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.701337][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.701337][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.701337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.701337][   T10] 
[ 9811.702909][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9811.702909][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9811.702909][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9811.702909][   T10]      ipv6_find_idev+0x102/0x170
[ 9811.702909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9811.702909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.702909][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.702909][   T10]      netlink_unicast+0x449/0x710
[ 9811.702909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.702909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.702909][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.702909][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.702909][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.702909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.702909][   T10] 
[ 9811.704637][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9811.704893][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9811.704893][   T10]      netdev_get_by_index+0x5e/0x80
[ 9811.704893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9811.704893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9811.704893][   T10]      ip6_route_add+0x1c/0x140
[ 9811.704893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9811.704893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9811.704893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9811.704893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.704893][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.704893][   T10]      netlink_unicast+0x449/0x710
[ 9811.704893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.704893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.704893][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.704893][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.704893][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.704893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.704893][   T10] 
[ 9811.706929][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9811.706929][   T10]      netdev_get_by_index+0x5e/0x80
[ 9811.706929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9811.706929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9811.706929][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9811.706929][   T10]      ipv6_add_addr+0x411/0x2000
[ 9811.706929][   T10]      inet6_addr_add+0x30e/0xa40
[ 9811.706929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9811.706929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.706929][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.706929][   T10]      netlink_unicast+0x449/0x710
[ 9811.706929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.706929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.706929][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.706929][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.706929][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.706929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.706929][   T10] 
[ 9811.708971][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9811.708971][   T10]      netdev_get_by_index+0x5e/0x80
[ 9811.708971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9811.708971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9811.708971][   T10]      ip6_route_add+0x1c/0x140
[ 9811.708971][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9811.708971][   T10]      addrconf_add_dev+0xe2/0x170
[ 9811.708971][   T10]      inet6_addr_add+0x12f/0xa40
[ 9811.708971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9811.708971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.708971][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.708971][   T10]      netlink_unicast+0x449/0x710
[ 9811.708971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.708971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.708971][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.708971][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.708971][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.708971][   T10] 
[ 9811.710958][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9811.710958][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9811.710958][   T10]      ipv6_find_idev+0x102/0x170
[ 9811.710958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9811.710958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.710958][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.710958][   T10]      netlink_unicast+0x449/0x710
[ 9811.710958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.710958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.710958][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.710958][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.710958][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.710958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.710958][   T10] 
[ 9811.712521][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9811.712521][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9811.712521][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9811.712521][   T10]      ipv6_find_idev+0x102/0x170
[ 9811.712521][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9811.712521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9811.712521][   T10]      netlink_rcv_skb+0x130/0x360
[ 9811.712521][   T10]      netlink_unicast+0x449/0x710
[ 9811.712521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9811.712521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9811.712521][   T10]      ___sys_sendmsg+0xee/0x170
[ 9811.712521][   T10]      __sys_sendmsg+0xcd/0x170
[ 9811.712521][   T10]      do_syscall_64+0xc6/0x1e0
[ 9811.712521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9811.712521][   T10] 
[ 9813.130805][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9813.131229][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9813.131229][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9813.131229][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9813.131229][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9813.131229][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9813.131229][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9813.131229][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9813.131229][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9813.131229][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9813.131229][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9813.131229][ T1078]      netlink_unicast+0x449/0x710
[ 9813.131229][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9813.131229][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9813.131229][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9813.131229][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9813.131229][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9813.131229][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9813.131229][ T1078] 
[ 9813.133543][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9813.133543][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9813.133543][ T1078]      ipv6_find_idev+0x102/0x170
[ 9813.133543][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9813.133543][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9813.133543][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9813.133543][ T1078]      netlink_unicast+0x449/0x710
[ 9813.133543][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9813.133543][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9813.133543][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9813.133543][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9813.133543][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9813.133543][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9813.133543][ T1078] 
[ 9813.135326][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9813.135326][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9813.135326][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9813.135326][ T1078]      ipv6_find_idev+0x102/0x170
[ 9813.135326][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9813.135326][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9813.135326][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9813.135326][ T1078]      netlink_unicast+0x449/0x710
[ 9813.135326][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9813.135326][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9813.135326][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9813.135326][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9813.135326][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9813.135326][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9813.135326][ T1078] 
[ 9821.954796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9821.955270][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9821.955270][   T10]      netdev_get_by_index+0x5e/0x80
[ 9821.955270][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9821.955270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9821.955270][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9821.955270][   T10]      ipv6_add_addr+0x411/0x2000
[ 9821.955270][   T10]      inet6_addr_add+0x30e/0xa40
[ 9821.955270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9821.955270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.955270][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.955270][   T10]      netlink_unicast+0x449/0x710
[ 9821.955270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.955270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.955270][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.955270][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.955270][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.955270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.955270][   T10] 
[ 9821.957339][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9821.957339][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9821.957339][   T10]      ipv6_find_idev+0x102/0x170
[ 9821.957339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9821.957339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.957339][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.957339][   T10]      netlink_unicast+0x449/0x710
[ 9821.957339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.957339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.957339][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.957339][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.957339][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.957339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.957339][   T10] 
[ 9821.958934][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9821.958934][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9821.958934][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9821.958934][   T10]      ipv6_find_idev+0x102/0x170
[ 9821.958934][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9821.958934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.958934][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.958934][   T10]      netlink_unicast+0x449/0x710
[ 9821.958934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.958934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.958934][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.958934][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.958934][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.958934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.958934][   T10] 
[ 9821.960695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9821.960947][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9821.960947][   T10]      netdev_get_by_index+0x5e/0x80
[ 9821.960947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9821.960947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9821.960947][   T10]      ip6_route_add+0x1c/0x140
[ 9821.960947][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9821.960947][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9821.960947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9821.960947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.960947][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.960947][   T10]      netlink_unicast+0x449/0x710
[ 9821.960947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.960947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.960947][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.960947][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.960947][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.960947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.960947][   T10] 
[ 9821.963001][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9821.963001][   T10]      netdev_get_by_index+0x5e/0x80
[ 9821.963001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9821.963001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9821.963001][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9821.963001][   T10]      ipv6_add_addr+0x411/0x2000
[ 9821.963001][   T10]      inet6_addr_add+0x30e/0xa40
[ 9821.963001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9821.963001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.963001][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.963001][   T10]      netlink_unicast+0x449/0x710
[ 9821.963001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.963001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.963001][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.963001][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.963001][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.963001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.963001][   T10] 
[ 9821.965040][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9821.965040][   T10]      netdev_get_by_index+0x5e/0x80
[ 9821.965040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9821.965040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9821.965040][   T10]      ip6_route_add+0x1c/0x140
[ 9821.965040][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9821.965040][   T10]      addrconf_add_dev+0xe2/0x170
[ 9821.965040][   T10]      inet6_addr_add+0x12f/0xa40
[ 9821.965040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9821.965040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.965040][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.965040][   T10]      netlink_unicast+0x449/0x710
[ 9821.965040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.965040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.965040][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.965040][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.965040][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.965040][   T10] 
[ 9821.967042][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9821.967042][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9821.967042][   T10]      ipv6_find_idev+0x102/0x170
[ 9821.967042][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9821.967042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.967042][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.967042][   T10]      netlink_unicast+0x449/0x710
[ 9821.967042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.967042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.967042][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.967042][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.967042][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.967042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.967042][   T10] 
[ 9821.968621][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9821.968621][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9821.968621][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9821.968621][   T10]      ipv6_find_idev+0x102/0x170
[ 9821.968621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9821.968621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9821.968621][   T10]      netlink_rcv_skb+0x130/0x360
[ 9821.968621][   T10]      netlink_unicast+0x449/0x710
[ 9821.968621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9821.968621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9821.968621][   T10]      ___sys_sendmsg+0xee/0x170
[ 9821.968621][   T10]      __sys_sendmsg+0xcd/0x170
[ 9821.968621][   T10]      do_syscall_64+0xc6/0x1e0
[ 9821.968621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9821.968621][   T10] 
[ 9823.378732][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9823.379163][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9823.379163][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9823.379163][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9823.379163][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9823.379163][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9823.379163][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9823.379163][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9823.379163][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9823.379163][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9823.379163][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9823.379163][ T1078]      netlink_unicast+0x449/0x710
[ 9823.379163][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9823.379163][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9823.379163][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9823.379163][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9823.379163][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9823.379163][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9823.379163][ T1078] 
[ 9823.381458][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9823.381458][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9823.381458][ T1078]      ipv6_find_idev+0x102/0x170
[ 9823.381458][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9823.381458][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9823.381458][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9823.381458][ T1078]      netlink_unicast+0x449/0x710
[ 9823.381458][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9823.381458][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9823.381458][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9823.381458][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9823.381458][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9823.381458][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9823.381458][ T1078] 
[ 9823.383215][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9823.383215][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9823.383215][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9823.383215][ T1078]      ipv6_find_idev+0x102/0x170
[ 9823.383215][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9823.383215][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9823.383215][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9823.383215][ T1078]      netlink_unicast+0x449/0x710
[ 9823.383215][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9823.383215][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9823.383215][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9823.383215][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9823.383215][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9823.383215][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9823.383215][ T1078] 
[ 9832.210795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9832.211289][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9832.211289][   T10]      netdev_get_by_index+0x5e/0x80
[ 9832.211289][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9832.211289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9832.211289][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9832.211289][   T10]      ipv6_add_addr+0x411/0x2000
[ 9832.211289][   T10]      inet6_addr_add+0x30e/0xa40
[ 9832.211289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9832.211289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.211289][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.211289][   T10]      netlink_unicast+0x449/0x710
[ 9832.211289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.211289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.211289][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.211289][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.211289][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.211289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.211289][   T10] 
[ 9832.213343][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9832.213343][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9832.213343][   T10]      ipv6_find_idev+0x102/0x170
[ 9832.213343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9832.213343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.213343][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.213343][   T10]      netlink_unicast+0x449/0x710
[ 9832.213343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.213343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.213343][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.213343][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.213343][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.213343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.213343][   T10] 
[ 9832.214909][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9832.214909][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9832.214909][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9832.214909][   T10]      ipv6_find_idev+0x102/0x170
[ 9832.214909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9832.214909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.214909][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.214909][   T10]      netlink_unicast+0x449/0x710
[ 9832.214909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.214909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.214909][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.214909][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.214909][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.214909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.214909][   T10] 
[ 9832.216628][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9832.216891][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9832.216891][   T10]      netdev_get_by_index+0x5e/0x80
[ 9832.216891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9832.216891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9832.216891][   T10]      ip6_route_add+0x1c/0x140
[ 9832.216891][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9832.216891][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9832.216891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9832.216891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.216891][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.216891][   T10]      netlink_unicast+0x449/0x710
[ 9832.216891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.216891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.216891][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.216891][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.216891][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.216891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.216891][   T10] 
[ 9832.218949][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9832.218949][   T10]      netdev_get_by_index+0x5e/0x80
[ 9832.218949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9832.218949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9832.218949][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9832.218949][   T10]      ipv6_add_addr+0x411/0x2000
[ 9832.218949][   T10]      inet6_addr_add+0x30e/0xa40
[ 9832.218949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9832.218949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.218949][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.218949][   T10]      netlink_unicast+0x449/0x710
[ 9832.218949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.218949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.218949][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.218949][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.218949][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.218949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.218949][   T10] 
[ 9832.220994][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9832.220994][   T10]      netdev_get_by_index+0x5e/0x80
[ 9832.220994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9832.220994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9832.220994][   T10]      ip6_route_add+0x1c/0x140
[ 9832.220994][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9832.220994][   T10]      addrconf_add_dev+0xe2/0x170
[ 9832.220994][   T10]      inet6_addr_add+0x12f/0xa40
[ 9832.220994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9832.220994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.220994][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.220994][   T10]      netlink_unicast+0x449/0x710
[ 9832.220994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.220994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.220994][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.220994][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.220994][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.220994][   T10] 
[ 9832.222988][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9832.222988][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9832.222988][   T10]      ipv6_find_idev+0x102/0x170
[ 9832.222988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9832.222988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.222988][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.222988][   T10]      netlink_unicast+0x449/0x710
[ 9832.222988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.222988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.222988][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.222988][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.222988][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.222988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.222988][   T10] 
[ 9832.224547][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9832.224547][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9832.224547][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9832.224547][   T10]      ipv6_find_idev+0x102/0x170
[ 9832.224547][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9832.224547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9832.224547][   T10]      netlink_rcv_skb+0x130/0x360
[ 9832.224547][   T10]      netlink_unicast+0x449/0x710
[ 9832.224547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9832.224547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9832.224547][   T10]      ___sys_sendmsg+0xee/0x170
[ 9832.224547][   T10]      __sys_sendmsg+0xcd/0x170
[ 9832.224547][   T10]      do_syscall_64+0xc6/0x1e0
[ 9832.224547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9832.224547][   T10] 
[ 9833.626813][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9833.627241][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9833.627241][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9833.627241][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9833.627241][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9833.627241][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9833.627241][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9833.627241][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9833.627241][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9833.627241][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9833.627241][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9833.627241][ T1078]      netlink_unicast+0x449/0x710
[ 9833.627241][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9833.627241][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9833.627241][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9833.627241][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9833.627241][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9833.627241][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9833.627241][ T1078] 
[ 9833.629552][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9833.629552][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9833.629552][ T1078]      ipv6_find_idev+0x102/0x170
[ 9833.629552][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9833.629552][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9833.629552][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9833.629552][ T1078]      netlink_unicast+0x449/0x710
[ 9833.629552][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9833.629552][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9833.629552][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9833.629552][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9833.629552][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9833.629552][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9833.629552][ T1078] 
[ 9833.631307][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9833.631307][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9833.631307][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9833.631307][ T1078]      ipv6_find_idev+0x102/0x170
[ 9833.631307][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9833.631307][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9833.631307][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9833.631307][ T1078]      netlink_unicast+0x449/0x710
[ 9833.631307][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9833.631307][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9833.631307][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9833.631307][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9833.631307][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9833.631307][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9833.631307][ T1078] 
[ 9842.466791][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9842.467265][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9842.467265][   T10]      netdev_get_by_index+0x5e/0x80
[ 9842.467265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9842.467265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9842.467265][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9842.467265][   T10]      ipv6_add_addr+0x411/0x2000
[ 9842.467265][   T10]      inet6_addr_add+0x30e/0xa40
[ 9842.467265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9842.467265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.467265][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.467265][   T10]      netlink_unicast+0x449/0x710
[ 9842.467265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.467265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.467265][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.467265][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.467265][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.467265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.467265][   T10] 
[ 9842.469337][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9842.469337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9842.469337][   T10]      ipv6_find_idev+0x102/0x170
[ 9842.469337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9842.469337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.469337][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.469337][   T10]      netlink_unicast+0x449/0x710
[ 9842.469337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.469337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.469337][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.469337][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.469337][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.469337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.469337][   T10] 
[ 9842.470901][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9842.470901][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9842.470901][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9842.470901][   T10]      ipv6_find_idev+0x102/0x170
[ 9842.470901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9842.470901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.470901][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.470901][   T10]      netlink_unicast+0x449/0x710
[ 9842.470901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.470901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.470901][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.470901][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.470901][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.470901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.470901][   T10] 
[ 9842.472986][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9842.473226][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9842.473226][   T10]      netdev_get_by_index+0x5e/0x80
[ 9842.473226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9842.473226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9842.473226][   T10]      ip6_route_add+0x1c/0x140
[ 9842.473226][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9842.473226][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9842.473226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9842.473226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.473226][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.473226][   T10]      netlink_unicast+0x449/0x710
[ 9842.473226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.473226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.473226][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.473226][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.473226][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.473226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.473226][   T10] 
[ 9842.475806][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9842.475806][   T10]      netdev_get_by_index+0x5e/0x80
[ 9842.475806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9842.475806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9842.475806][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9842.475806][   T10]      ipv6_add_addr+0x411/0x2000
[ 9842.475806][   T10]      inet6_addr_add+0x30e/0xa40
[ 9842.475806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9842.475806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.475806][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.475806][   T10]      netlink_unicast+0x449/0x710
[ 9842.475806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.475806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.475806][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.475806][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.475806][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.475806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.475806][   T10] 
[ 9842.477832][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9842.477832][   T10]      netdev_get_by_index+0x5e/0x80
[ 9842.477832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9842.477832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9842.477832][   T10]      ip6_route_add+0x1c/0x140
[ 9842.477832][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9842.477832][   T10]      addrconf_add_dev+0xe2/0x170
[ 9842.477832][   T10]      inet6_addr_add+0x12f/0xa40
[ 9842.477832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9842.477832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.477832][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.477832][   T10]      netlink_unicast+0x449/0x710
[ 9842.477832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.477832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.477832][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.477832][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.477832][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.477832][   T10] 
[ 9842.479845][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9842.479845][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9842.479845][   T10]      ipv6_find_idev+0x102/0x170
[ 9842.479845][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9842.479845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.479845][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.479845][   T10]      netlink_unicast+0x449/0x710
[ 9842.479845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.479845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.479845][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.479845][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.479845][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.479845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.479845][   T10] 
[ 9842.481795][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9842.481795][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9842.481795][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9842.481795][   T10]      ipv6_find_idev+0x102/0x170
[ 9842.481795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9842.481795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9842.481795][   T10]      netlink_rcv_skb+0x130/0x360
[ 9842.481795][   T10]      netlink_unicast+0x449/0x710
[ 9842.481795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9842.481795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9842.481795][   T10]      ___sys_sendmsg+0xee/0x170
[ 9842.481795][   T10]      __sys_sendmsg+0xcd/0x170
[ 9842.481795][   T10]      do_syscall_64+0xc6/0x1e0
[ 9842.481795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9842.481795][   T10] 
[ 9843.874792][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9843.875223][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9843.875223][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9843.875223][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9843.875223][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9843.875223][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9843.875223][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9843.875223][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9843.875223][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9843.875223][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9843.875223][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9843.875223][ T1078]      netlink_unicast+0x449/0x710
[ 9843.875223][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9843.875223][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9843.875223][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9843.875223][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9843.875223][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9843.875223][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9843.875223][ T1078] 
[ 9843.877512][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9843.877512][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9843.877512][ T1078]      ipv6_find_idev+0x102/0x170
[ 9843.877512][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9843.877512][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9843.877512][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9843.877512][ T1078]      netlink_unicast+0x449/0x710
[ 9843.877512][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9843.877512][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9843.877512][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9843.877512][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9843.877512][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9843.877512][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9843.877512][ T1078] 
[ 9843.879647][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9843.879647][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9843.879647][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9843.879647][ T1078]      ipv6_find_idev+0x102/0x170
[ 9843.879647][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9843.879647][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9843.879647][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9843.879647][ T1078]      netlink_unicast+0x449/0x710
[ 9843.879647][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9843.879647][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9843.879647][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9843.879647][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9843.879647][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9843.879647][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9843.879647][ T1078] 
[ 9852.722799][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9852.723255][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9852.723255][   T10]      netdev_get_by_index+0x5e/0x80
[ 9852.723255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9852.723255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9852.723255][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9852.723255][   T10]      ipv6_add_addr+0x411/0x2000
[ 9852.723255][   T10]      inet6_addr_add+0x30e/0xa40
[ 9852.723255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9852.723255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.723255][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.723255][   T10]      netlink_unicast+0x449/0x710
[ 9852.723255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.723255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.723255][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.723255][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.723255][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.723255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.723255][   T10] 
[ 9852.725499][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9852.725499][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9852.725499][   T10]      ipv6_find_idev+0x102/0x170
[ 9852.725499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9852.725499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.725499][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.725499][   T10]      netlink_unicast+0x449/0x710
[ 9852.725499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.725499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.725499][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.725499][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.725499][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.725499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.725499][   T10] 
[ 9852.727180][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9852.727180][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9852.727180][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9852.727180][   T10]      ipv6_find_idev+0x102/0x170
[ 9852.727180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9852.727180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.727180][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.727180][   T10]      netlink_unicast+0x449/0x710
[ 9852.727180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.727180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.727180][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.727180][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.727180][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.727180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.727180][   T10] 
[ 9852.729130][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9852.729792][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9852.729792][   T10]      netdev_get_by_index+0x5e/0x80
[ 9852.729792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9852.729792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9852.729792][   T10]      ip6_route_add+0x1c/0x140
[ 9852.729792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9852.729792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9852.729792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9852.729792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.729792][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.729792][   T10]      netlink_unicast+0x449/0x710
[ 9852.729792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.729792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.729792][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.729792][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.729792][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.729792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.729792][   T10] 
[ 9852.732051][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9852.732051][   T10]      netdev_get_by_index+0x5e/0x80
[ 9852.732051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9852.732051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9852.732051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9852.732051][   T10]      ipv6_add_addr+0x411/0x2000
[ 9852.732051][   T10]      inet6_addr_add+0x30e/0xa40
[ 9852.732051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9852.732051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.732051][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.732051][   T10]      netlink_unicast+0x449/0x710
[ 9852.732051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.732051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.732051][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.732051][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.732051][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.732051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.732051][   T10] 
[ 9852.734285][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9852.734285][   T10]      netdev_get_by_index+0x5e/0x80
[ 9852.734285][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9852.734285][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9852.734285][   T10]      ip6_route_add+0x1c/0x140
[ 9852.734285][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9852.734285][   T10]      addrconf_add_dev+0xe2/0x170
[ 9852.734285][   T10]      inet6_addr_add+0x12f/0xa40
[ 9852.734285][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9852.734285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.734285][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.734285][   T10]      netlink_unicast+0x449/0x710
[ 9852.734285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.734285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.734285][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.734285][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.734285][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.734285][   T10] 
[ 9852.736527][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9852.736527][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9852.736527][   T10]      ipv6_find_idev+0x102/0x170
[ 9852.736527][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9852.736527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.736527][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.736527][   T10]      netlink_unicast+0x449/0x710
[ 9852.736527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.736527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.736527][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.736527][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.736527][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.736527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.736527][   T10] 
[ 9852.738297][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9852.738297][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9852.738297][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9852.738297][   T10]      ipv6_find_idev+0x102/0x170
[ 9852.738297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9852.738297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9852.738297][   T10]      netlink_rcv_skb+0x130/0x360
[ 9852.738297][   T10]      netlink_unicast+0x449/0x710
[ 9852.738297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9852.738297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9852.738297][   T10]      ___sys_sendmsg+0xee/0x170
[ 9852.738297][   T10]      __sys_sendmsg+0xcd/0x170
[ 9852.738297][   T10]      do_syscall_64+0xc6/0x1e0
[ 9852.738297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9852.738297][   T10] 
[ 9854.122798][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9854.123274][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9854.123274][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9854.123274][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9854.123274][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9854.123274][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9854.123274][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9854.123274][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9854.123274][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9854.123274][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9854.123274][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9854.123274][ T1078]      netlink_unicast+0x449/0x710
[ 9854.123274][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9854.123274][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9854.123274][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9854.123274][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9854.123274][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9854.123274][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9854.123274][ T1078] 
[ 9854.125581][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9854.125581][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9854.125581][ T1078]      ipv6_find_idev+0x102/0x170
[ 9854.125581][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9854.125581][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9854.125581][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9854.125581][ T1078]      netlink_unicast+0x449/0x710
[ 9854.125581][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9854.125581][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9854.125581][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9854.125581][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9854.125581][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9854.125581][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9854.125581][ T1078] 
[ 9854.127338][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9854.127338][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9854.127338][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9854.127338][ T1078]      ipv6_find_idev+0x102/0x170
[ 9854.127338][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9854.127338][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9854.127338][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9854.127338][ T1078]      netlink_unicast+0x449/0x710
[ 9854.127338][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9854.127338][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9854.127338][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9854.127338][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9854.127338][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9854.127338][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9854.127338][ T1078] 
[ 9862.978814][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9862.979409][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9862.979409][   T10]      netdev_get_by_index+0x5e/0x80
[ 9862.979409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9862.979409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9862.979409][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9862.979409][   T10]      ipv6_add_addr+0x411/0x2000
[ 9862.979409][   T10]      inet6_addr_add+0x30e/0xa40
[ 9862.979409][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9862.979409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.979409][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.979409][   T10]      netlink_unicast+0x449/0x710
[ 9862.979409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.979409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.979409][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.979409][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.979409][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.979409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.979409][   T10] 
[ 9862.981719][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9862.981719][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9862.981719][   T10]      ipv6_find_idev+0x102/0x170
[ 9862.981719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9862.981719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.981719][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.981719][   T10]      netlink_unicast+0x449/0x710
[ 9862.981719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.981719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.981719][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.981719][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.981719][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.981719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.981719][   T10] 
[ 9862.983421][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9862.983421][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9862.983421][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9862.983421][   T10]      ipv6_find_idev+0x102/0x170
[ 9862.983421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9862.983421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.983421][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.983421][   T10]      netlink_unicast+0x449/0x710
[ 9862.983421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.983421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.983421][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.983421][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.983421][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.983421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.983421][   T10] 
[ 9862.985300][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9862.985554][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9862.985554][   T10]      netdev_get_by_index+0x5e/0x80
[ 9862.985554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9862.985554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9862.985554][   T10]      ip6_route_add+0x1c/0x140
[ 9862.985554][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9862.985554][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9862.985554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9862.985554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.985554][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.985554][   T10]      netlink_unicast+0x449/0x710
[ 9862.985554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.985554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.985554][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.985554][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.985554][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.985554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.985554][   T10] 
[ 9862.987724][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9862.987724][   T10]      netdev_get_by_index+0x5e/0x80
[ 9862.987724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9862.987724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9862.987724][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9862.987724][   T10]      ipv6_add_addr+0x411/0x2000
[ 9862.987724][   T10]      inet6_addr_add+0x30e/0xa40
[ 9862.987724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9862.987724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.987724][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.987724][   T10]      netlink_unicast+0x449/0x710
[ 9862.987724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.987724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.987724][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.987724][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.987724][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.987724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.987724][   T10] 
[ 9862.989979][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9862.989979][   T10]      netdev_get_by_index+0x5e/0x80
[ 9862.989979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9862.989979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9862.989979][   T10]      ip6_route_add+0x1c/0x140
[ 9862.989979][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9862.989979][   T10]      addrconf_add_dev+0xe2/0x170
[ 9862.989979][   T10]      inet6_addr_add+0x12f/0xa40
[ 9862.989979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9862.989979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.989979][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.989979][   T10]      netlink_unicast+0x449/0x710
[ 9862.989979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.989979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.989979][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.989979][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.989979][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.989979][   T10] 
[ 9862.992193][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9862.992193][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9862.992193][   T10]      ipv6_find_idev+0x102/0x170
[ 9862.992193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9862.992193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.992193][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.992193][   T10]      netlink_unicast+0x449/0x710
[ 9862.992193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.992193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.992193][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.992193][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.992193][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.992193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.992193][   T10] 
[ 9862.993879][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9862.993879][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9862.993879][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9862.993879][   T10]      ipv6_find_idev+0x102/0x170
[ 9862.993879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9862.993879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9862.993879][   T10]      netlink_rcv_skb+0x130/0x360
[ 9862.993879][   T10]      netlink_unicast+0x449/0x710
[ 9862.993879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9862.993879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9862.993879][   T10]      ___sys_sendmsg+0xee/0x170
[ 9862.993879][   T10]      __sys_sendmsg+0xcd/0x170
[ 9862.993879][   T10]      do_syscall_64+0xc6/0x1e0
[ 9862.993879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9862.993879][   T10] 
[ 9864.370913][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9864.371447][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9864.371447][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9864.371447][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9864.371447][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9864.371447][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9864.371447][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9864.371447][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9864.371447][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9864.371447][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9864.371447][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9864.371447][ T1078]      netlink_unicast+0x449/0x710
[ 9864.371447][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9864.371447][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9864.371447][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9864.371447][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9864.371447][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9864.371447][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9864.371447][ T1078] 
[ 9864.373777][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9864.373777][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9864.373777][ T1078]      ipv6_find_idev+0x102/0x170
[ 9864.373777][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9864.373777][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9864.373777][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9864.373777][ T1078]      netlink_unicast+0x449/0x710
[ 9864.373777][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9864.373777][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9864.373777][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9864.373777][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9864.373777][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9864.373777][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9864.373777][ T1078] 
[ 9864.375550][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9864.375550][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9864.375550][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9864.375550][ T1078]      ipv6_find_idev+0x102/0x170
[ 9864.375550][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9864.375550][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9864.375550][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9864.375550][ T1078]      netlink_unicast+0x449/0x710
[ 9864.375550][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9864.375550][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9864.375550][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9864.375550][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9864.375550][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9864.375550][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9864.375550][ T1078] 
[ 9873.234795][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9873.235243][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9873.235243][   T10]      netdev_get_by_index+0x5e/0x80
[ 9873.235243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9873.235243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9873.235243][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9873.235243][   T10]      ipv6_add_addr+0x411/0x2000
[ 9873.235243][   T10]      inet6_addr_add+0x30e/0xa40
[ 9873.235243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9873.235243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.235243][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.235243][   T10]      netlink_unicast+0x449/0x710
[ 9873.235243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.235243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.235243][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.235243][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.235243][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.235243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.235243][   T10] 
[ 9873.237402][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9873.237402][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9873.237402][   T10]      ipv6_find_idev+0x102/0x170
[ 9873.237402][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9873.237402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.237402][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.237402][   T10]      netlink_unicast+0x449/0x710
[ 9873.237402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.237402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.237402][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.237402][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.237402][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.237402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.237402][   T10] 
[ 9873.239218][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9873.239218][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9873.239218][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9873.239218][   T10]      ipv6_find_idev+0x102/0x170
[ 9873.239218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9873.239218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.239218][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.239218][   T10]      netlink_unicast+0x449/0x710
[ 9873.239218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.239218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.239218][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.239218][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.239218][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.239218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.239218][   T10] 
[ 9873.241050][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9873.241335][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9873.241335][   T10]      netdev_get_by_index+0x5e/0x80
[ 9873.241335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9873.241335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9873.241335][   T10]      ip6_route_add+0x1c/0x140
[ 9873.241335][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9873.241335][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9873.241335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9873.241335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.241335][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.241335][   T10]      netlink_unicast+0x449/0x710
[ 9873.241335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.241335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.241335][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.241335][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.241335][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.241335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.241335][   T10] 
[ 9873.243505][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9873.243505][   T10]      netdev_get_by_index+0x5e/0x80
[ 9873.243505][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9873.243505][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9873.243505][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9873.243505][   T10]      ipv6_add_addr+0x411/0x2000
[ 9873.243505][   T10]      inet6_addr_add+0x30e/0xa40
[ 9873.243505][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9873.243505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.243505][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.243505][   T10]      netlink_unicast+0x449/0x710
[ 9873.243505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.243505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.243505][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.243505][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.243505][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.243505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.243505][   T10] 
[ 9873.245732][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9873.245732][   T10]      netdev_get_by_index+0x5e/0x80
[ 9873.245732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9873.245732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9873.245732][   T10]      ip6_route_add+0x1c/0x140
[ 9873.245732][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9873.245732][   T10]      addrconf_add_dev+0xe2/0x170
[ 9873.245732][   T10]      inet6_addr_add+0x12f/0xa40
[ 9873.245732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9873.245732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.245732][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.245732][   T10]      netlink_unicast+0x449/0x710
[ 9873.245732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.245732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.245732][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.245732][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.245732][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.245732][   T10] 
[ 9873.247888][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9873.247888][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9873.247888][   T10]      ipv6_find_idev+0x102/0x170
[ 9873.247888][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9873.247888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.247888][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.247888][   T10]      netlink_unicast+0x449/0x710
[ 9873.247888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.247888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.247888][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.247888][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.247888][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.247888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.247888][   T10] 
[ 9873.249639][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9873.249639][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9873.249639][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9873.249639][   T10]      ipv6_find_idev+0x102/0x170
[ 9873.249639][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9873.249639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9873.249639][   T10]      netlink_rcv_skb+0x130/0x360
[ 9873.249639][   T10]      netlink_unicast+0x449/0x710
[ 9873.249639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9873.249639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9873.249639][   T10]      ___sys_sendmsg+0xee/0x170
[ 9873.249639][   T10]      __sys_sendmsg+0xcd/0x170
[ 9873.249639][   T10]      do_syscall_64+0xc6/0x1e0
[ 9873.249639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9873.249639][   T10] 
[ 9874.618809][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9874.619407][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9874.619407][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9874.619407][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9874.619407][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9874.619407][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9874.619407][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9874.619407][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9874.619407][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9874.619407][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9874.619407][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9874.619407][ T1078]      netlink_unicast+0x449/0x710
[ 9874.619407][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9874.619407][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9874.619407][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9874.619407][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9874.619407][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9874.619407][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9874.619407][ T1078] 
[ 9874.621861][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9874.621861][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9874.621861][ T1078]      ipv6_find_idev+0x102/0x170
[ 9874.621861][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9874.621861][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9874.621861][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9874.621861][ T1078]      netlink_unicast+0x449/0x710
[ 9874.621861][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9874.621861][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9874.621861][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9874.621861][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9874.621861][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9874.621861][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9874.621861][ T1078] 
[ 9874.623818][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9874.623818][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9874.623818][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9874.623818][ T1078]      ipv6_find_idev+0x102/0x170
[ 9874.623818][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9874.623818][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9874.623818][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9874.623818][ T1078]      netlink_unicast+0x449/0x710
[ 9874.623818][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9874.623818][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9874.623818][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9874.623818][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9874.623818][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9874.623818][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9874.623818][ T1078] 
[ 9883.490899][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9883.491386][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9883.491386][   T10]      netdev_get_by_index+0x5e/0x80
[ 9883.491386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9883.491386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9883.491386][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9883.491386][   T10]      ipv6_add_addr+0x411/0x2000
[ 9883.491386][   T10]      inet6_addr_add+0x30e/0xa40
[ 9883.491386][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9883.491386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.491386][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.491386][   T10]      netlink_unicast+0x449/0x710
[ 9883.491386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.491386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.491386][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.491386][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.491386][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.491386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.491386][   T10] 
[ 9883.493576][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9883.493576][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9883.493576][   T10]      ipv6_find_idev+0x102/0x170
[ 9883.493576][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9883.493576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.493576][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.493576][   T10]      netlink_unicast+0x449/0x710
[ 9883.493576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.493576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.493576][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.493576][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.493576][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.493576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.493576][   T10] 
[ 9883.495202][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9883.495202][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9883.495202][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9883.495202][   T10]      ipv6_find_idev+0x102/0x170
[ 9883.495202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9883.495202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.495202][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.495202][   T10]      netlink_unicast+0x449/0x710
[ 9883.495202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.495202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.495202][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.495202][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.495202][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.495202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.495202][   T10] 
[ 9883.496973][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9883.497219][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9883.497219][   T10]      netdev_get_by_index+0x5e/0x80
[ 9883.497219][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9883.497219][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9883.497219][   T10]      ip6_route_add+0x1c/0x140
[ 9883.497219][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9883.497219][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9883.497219][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9883.497219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.497219][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.497219][   T10]      netlink_unicast+0x449/0x710
[ 9883.497219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.497219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.497219][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.497219][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.497219][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.497219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.497219][   T10] 
[ 9883.499518][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9883.499518][   T10]      netdev_get_by_index+0x5e/0x80
[ 9883.499518][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9883.499518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9883.499518][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9883.499518][   T10]      ipv6_add_addr+0x411/0x2000
[ 9883.499518][   T10]      inet6_addr_add+0x30e/0xa40
[ 9883.499518][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9883.499518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.499518][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.499518][   T10]      netlink_unicast+0x449/0x710
[ 9883.499518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.499518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.499518][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.499518][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.499518][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.499518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.499518][   T10] 
[ 9883.501763][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9883.501763][   T10]      netdev_get_by_index+0x5e/0x80
[ 9883.501763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9883.501763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9883.501763][   T10]      ip6_route_add+0x1c/0x140
[ 9883.501763][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9883.501763][   T10]      addrconf_add_dev+0xe2/0x170
[ 9883.501763][   T10]      inet6_addr_add+0x12f/0xa40
[ 9883.501763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9883.501763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.501763][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.501763][   T10]      netlink_unicast+0x449/0x710
[ 9883.501763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.501763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.501763][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.501763][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.501763][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.501763][   T10] 
[ 9883.504015][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9883.504015][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9883.504015][   T10]      ipv6_find_idev+0x102/0x170
[ 9883.504015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9883.504015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.504015][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.504015][   T10]      netlink_unicast+0x449/0x710
[ 9883.504015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.504015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.504015][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.504015][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.504015][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.504015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.504015][   T10] 
[ 9883.505711][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9883.505711][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9883.505711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9883.505711][   T10]      ipv6_find_idev+0x102/0x170
[ 9883.505711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9883.505711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9883.505711][   T10]      netlink_rcv_skb+0x130/0x360
[ 9883.505711][   T10]      netlink_unicast+0x449/0x710
[ 9883.505711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9883.505711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9883.505711][   T10]      ___sys_sendmsg+0xee/0x170
[ 9883.505711][   T10]      __sys_sendmsg+0xcd/0x170
[ 9883.505711][   T10]      do_syscall_64+0xc6/0x1e0
[ 9883.505711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9883.505711][   T10] 
[ 9884.866876][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9884.867586][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9884.867586][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9884.867586][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9884.867586][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9884.867586][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9884.867586][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9884.867586][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9884.867586][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9884.867586][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9884.867586][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9884.867586][ T1078]      netlink_unicast+0x449/0x710
[ 9884.867586][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9884.867586][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9884.867586][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9884.867586][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9884.867586][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9884.867586][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9884.867586][ T1078] 
[ 9884.870094][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9884.870094][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9884.870094][ T1078]      ipv6_find_idev+0x102/0x170
[ 9884.870094][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9884.870094][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9884.870094][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9884.870094][ T1078]      netlink_unicast+0x449/0x710
[ 9884.870094][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9884.870094][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9884.870094][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9884.870094][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9884.870094][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9884.870094][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9884.870094][ T1078] 
[ 9884.872019][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9884.872019][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9884.872019][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9884.872019][ T1078]      ipv6_find_idev+0x102/0x170
[ 9884.872019][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9884.872019][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9884.872019][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9884.872019][ T1078]      netlink_unicast+0x449/0x710
[ 9884.872019][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9884.872019][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9884.872019][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9884.872019][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9884.872019][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9884.872019][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9884.872019][ T1078] 
[ 9893.746874][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9893.747366][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9893.747366][   T10]      netdev_get_by_index+0x5e/0x80
[ 9893.747366][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9893.747366][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9893.747366][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9893.747366][   T10]      ipv6_add_addr+0x411/0x2000
[ 9893.747366][   T10]      inet6_addr_add+0x30e/0xa40
[ 9893.747366][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9893.747366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.747366][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.747366][   T10]      netlink_unicast+0x449/0x710
[ 9893.747366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.747366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.747366][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.747366][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.747366][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.747366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.747366][   T10] 
[ 9893.749654][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9893.749654][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9893.749654][   T10]      ipv6_find_idev+0x102/0x170
[ 9893.749654][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9893.749654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.749654][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.749654][   T10]      netlink_unicast+0x449/0x710
[ 9893.749654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.749654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.749654][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.749654][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.749654][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.749654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.749654][   T10] 
[ 9893.751384][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9893.751384][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9893.751384][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9893.751384][   T10]      ipv6_find_idev+0x102/0x170
[ 9893.751384][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9893.751384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.751384][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.751384][   T10]      netlink_unicast+0x449/0x710
[ 9893.751384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.751384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.751384][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.751384][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.751384][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.751384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.751384][   T10] 
[ 9893.753340][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9893.753590][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9893.753590][   T10]      netdev_get_by_index+0x5e/0x80
[ 9893.753590][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9893.753590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9893.753590][   T10]      ip6_route_add+0x1c/0x140
[ 9893.753590][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9893.753590][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9893.753590][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9893.753590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.753590][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.753590][   T10]      netlink_unicast+0x449/0x710
[ 9893.753590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.753590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.753590][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.753590][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.753590][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.753590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.753590][   T10] 
[ 9893.755698][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9893.755698][   T10]      netdev_get_by_index+0x5e/0x80
[ 9893.755698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9893.755698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9893.755698][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9893.755698][   T10]      ipv6_add_addr+0x411/0x2000
[ 9893.755698][   T10]      inet6_addr_add+0x30e/0xa40
[ 9893.755698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9893.755698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.755698][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.755698][   T10]      netlink_unicast+0x449/0x710
[ 9893.755698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.755698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.755698][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.755698][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.755698][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.755698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.755698][   T10] 
[ 9893.757836][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9893.757836][   T10]      netdev_get_by_index+0x5e/0x80
[ 9893.757836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9893.757836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9893.757836][   T10]      ip6_route_add+0x1c/0x140
[ 9893.757836][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9893.757836][   T10]      addrconf_add_dev+0xe2/0x170
[ 9893.757836][   T10]      inet6_addr_add+0x12f/0xa40
[ 9893.757836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9893.757836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.757836][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.757836][   T10]      netlink_unicast+0x449/0x710
[ 9893.757836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.757836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.757836][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.757836][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.757836][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.757836][   T10] 
[ 9893.760044][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9893.760044][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9893.760044][   T10]      ipv6_find_idev+0x102/0x170
[ 9893.760044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9893.760044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.760044][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.760044][   T10]      netlink_unicast+0x449/0x710
[ 9893.760044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.760044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.760044][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.760044][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.760044][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.760044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.760044][   T10] 
[ 9893.761723][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9893.761723][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9893.761723][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9893.761723][   T10]      ipv6_find_idev+0x102/0x170
[ 9893.761723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9893.761723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9893.761723][   T10]      netlink_rcv_skb+0x130/0x360
[ 9893.761723][   T10]      netlink_unicast+0x449/0x710
[ 9893.761723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9893.761723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9893.761723][   T10]      ___sys_sendmsg+0xee/0x170
[ 9893.761723][   T10]      __sys_sendmsg+0xcd/0x170
[ 9893.761723][   T10]      do_syscall_64+0xc6/0x1e0
[ 9893.761723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9893.761723][   T10] 
[ 9895.114871][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9895.115631][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9895.115631][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9895.115631][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9895.115631][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9895.115631][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9895.115631][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9895.115631][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9895.115631][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9895.115631][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9895.115631][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9895.115631][ T1078]      netlink_unicast+0x449/0x710
[ 9895.115631][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9895.115631][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9895.115631][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9895.115631][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9895.115631][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9895.115631][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9895.115631][ T1078] 
[ 9895.118021][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9895.118021][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9895.118021][ T1078]      ipv6_find_idev+0x102/0x170
[ 9895.118021][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9895.118021][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9895.118021][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9895.118021][ T1078]      netlink_unicast+0x449/0x710
[ 9895.118021][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9895.118021][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9895.118021][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9895.118021][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9895.118021][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9895.118021][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9895.118021][ T1078] 
[ 9895.119908][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9895.119908][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9895.119908][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9895.119908][ T1078]      ipv6_find_idev+0x102/0x170
[ 9895.119908][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9895.119908][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9895.119908][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9895.119908][ T1078]      netlink_unicast+0x449/0x710
[ 9895.119908][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9895.119908][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9895.119908][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9895.119908][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9895.119908][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9895.119908][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9895.119908][ T1078] 
[ 9904.002810][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9904.003241][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9904.003241][   T10]      netdev_get_by_index+0x5e/0x80
[ 9904.003241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9904.003241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9904.003241][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9904.003241][   T10]      ipv6_add_addr+0x411/0x2000
[ 9904.003241][   T10]      inet6_addr_add+0x30e/0xa40
[ 9904.003241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9904.003241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.003241][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.003241][   T10]      netlink_unicast+0x449/0x710
[ 9904.003241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.003241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.003241][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.003241][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.003241][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.003241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.003241][   T10] 
[ 9904.005488][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9904.005488][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9904.005488][   T10]      ipv6_find_idev+0x102/0x170
[ 9904.005488][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9904.005488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.005488][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.005488][   T10]      netlink_unicast+0x449/0x710
[ 9904.005488][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.005488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.005488][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.005488][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.005488][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.005488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.005488][   T10] 
[ 9904.007221][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9904.007221][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9904.007221][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9904.007221][   T10]      ipv6_find_idev+0x102/0x170
[ 9904.007221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9904.007221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.007221][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.007221][   T10]      netlink_unicast+0x449/0x710
[ 9904.007221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.007221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.007221][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.007221][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.007221][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.007221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.007221][   T10] 
[ 9904.009129][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9904.009398][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9904.009398][   T10]      netdev_get_by_index+0x5e/0x80
[ 9904.009398][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9904.009398][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9904.009398][   T10]      ip6_route_add+0x1c/0x140
[ 9904.009398][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9904.009398][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9904.009398][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9904.009398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.009398][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.009398][   T10]      netlink_unicast+0x449/0x710
[ 9904.009398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.009398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.009398][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.009398][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.009398][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.009398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.009398][   T10] 
[ 9904.011639][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9904.011639][   T10]      netdev_get_by_index+0x5e/0x80
[ 9904.011639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9904.011639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9904.011639][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9904.011639][   T10]      ipv6_add_addr+0x411/0x2000
[ 9904.011639][   T10]      inet6_addr_add+0x30e/0xa40
[ 9904.011639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9904.011639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.011639][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.011639][   T10]      netlink_unicast+0x449/0x710
[ 9904.011639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.011639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.011639][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.011639][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.011639][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.011639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.011639][   T10] 
[ 9904.013821][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9904.013821][   T10]      netdev_get_by_index+0x5e/0x80
[ 9904.013821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9904.013821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9904.013821][   T10]      ip6_route_add+0x1c/0x140
[ 9904.013821][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9904.013821][   T10]      addrconf_add_dev+0xe2/0x170
[ 9904.013821][   T10]      inet6_addr_add+0x12f/0xa40
[ 9904.013821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9904.013821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.013821][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.013821][   T10]      netlink_unicast+0x449/0x710
[ 9904.013821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.013821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.013821][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.013821][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.013821][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.013821][   T10] 
[ 9904.015950][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9904.015950][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9904.015950][   T10]      ipv6_find_idev+0x102/0x170
[ 9904.015950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9904.015950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.015950][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.015950][   T10]      netlink_unicast+0x449/0x710
[ 9904.015950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.015950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.015950][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.015950][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.015950][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.015950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.015950][   T10] 
[ 9904.017677][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9904.017677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9904.017677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9904.017677][   T10]      ipv6_find_idev+0x102/0x170
[ 9904.017677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9904.017677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9904.017677][   T10]      netlink_rcv_skb+0x130/0x360
[ 9904.017677][   T10]      netlink_unicast+0x449/0x710
[ 9904.017677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9904.017677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9904.017677][   T10]      ___sys_sendmsg+0xee/0x170
[ 9904.017677][   T10]      __sys_sendmsg+0xcd/0x170
[ 9904.017677][   T10]      do_syscall_64+0xc6/0x1e0
[ 9904.017677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9904.017677][   T10] 
[ 9905.362871][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9905.363802][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9905.363802][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9905.363802][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9905.363802][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9905.363802][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9905.363802][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9905.363802][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9905.363802][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9905.363802][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9905.363802][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9905.363802][ T1078]      netlink_unicast+0x449/0x710
[ 9905.363802][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9905.363802][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9905.363802][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9905.363802][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9905.363802][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9905.363802][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9905.363802][ T1078] 
[ 9905.366289][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9905.366289][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9905.366289][ T1078]      ipv6_find_idev+0x102/0x170
[ 9905.366289][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9905.366289][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9905.366289][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9905.366289][ T1078]      netlink_unicast+0x449/0x710
[ 9905.366289][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9905.366289][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9905.366289][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9905.366289][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9905.366289][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9905.366289][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9905.366289][ T1078] 
[ 9905.368334][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9905.368334][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9905.368334][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9905.368334][ T1078]      ipv6_find_idev+0x102/0x170
[ 9905.368334][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9905.368334][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9905.368334][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9905.368334][ T1078]      netlink_unicast+0x449/0x710
[ 9905.368334][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9905.368334][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9905.368334][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9905.368334][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9905.368334][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9905.368334][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9905.368334][ T1078] 
[ 9914.258832][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9914.259303][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9914.259303][   T10]      netdev_get_by_index+0x5e/0x80
[ 9914.259303][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9914.259303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9914.259303][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9914.259303][   T10]      ipv6_add_addr+0x411/0x2000
[ 9914.259303][   T10]      inet6_addr_add+0x30e/0xa40
[ 9914.259303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9914.259303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.259303][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.259303][   T10]      netlink_unicast+0x449/0x710
[ 9914.259303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.259303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.259303][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.259303][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.259303][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.259303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.259303][   T10] 
[ 9914.261898][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9914.261898][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9914.261898][   T10]      ipv6_find_idev+0x102/0x170
[ 9914.261898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9914.261898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.261898][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.261898][   T10]      netlink_unicast+0x449/0x710
[ 9914.261898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.261898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.261898][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.261898][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.261898][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.261898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.261898][   T10] 
[ 9914.263469][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9914.263469][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9914.263469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9914.263469][   T10]      ipv6_find_idev+0x102/0x170
[ 9914.263469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9914.263469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.263469][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.263469][   T10]      netlink_unicast+0x449/0x710
[ 9914.263469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.263469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.263469][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.263469][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.263469][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.263469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.263469][   T10] 
[ 9914.265188][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9914.265433][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9914.265433][   T10]      netdev_get_by_index+0x5e/0x80
[ 9914.265433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9914.265433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9914.265433][   T10]      ip6_route_add+0x1c/0x140
[ 9914.265433][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9914.265433][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9914.265433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9914.265433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.265433][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.265433][   T10]      netlink_unicast+0x449/0x710
[ 9914.265433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.265433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.265433][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.265433][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.265433][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.265433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.265433][   T10] 
[ 9914.267459][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9914.267459][   T10]      netdev_get_by_index+0x5e/0x80
[ 9914.267459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9914.267459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9914.267459][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9914.267459][   T10]      ipv6_add_addr+0x411/0x2000
[ 9914.267459][   T10]      inet6_addr_add+0x30e/0xa40
[ 9914.267459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9914.267459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.267459][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.267459][   T10]      netlink_unicast+0x449/0x710
[ 9914.267459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.267459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.267459][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.267459][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.267459][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.267459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.267459][   T10] 
[ 9914.269491][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9914.269491][   T10]      netdev_get_by_index+0x5e/0x80
[ 9914.269491][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9914.269491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9914.269491][   T10]      ip6_route_add+0x1c/0x140
[ 9914.269491][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9914.269491][   T10]      addrconf_add_dev+0xe2/0x170
[ 9914.269491][   T10]      inet6_addr_add+0x12f/0xa40
[ 9914.269491][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9914.269491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.269491][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.269491][   T10]      netlink_unicast+0x449/0x710
[ 9914.269491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.269491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.269491][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.269491][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.269491][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.269491][   T10] 
[ 9914.271475][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9914.271475][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9914.271475][   T10]      ipv6_find_idev+0x102/0x170
[ 9914.271475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9914.271475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.271475][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.271475][   T10]      netlink_unicast+0x449/0x710
[ 9914.271475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.271475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.271475][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.271475][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.271475][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.271475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.271475][   T10] 
[ 9914.273030][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9914.273030][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9914.273030][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9914.273030][   T10]      ipv6_find_idev+0x102/0x170
[ 9914.273030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9914.273030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9914.273030][   T10]      netlink_rcv_skb+0x130/0x360
[ 9914.273030][   T10]      netlink_unicast+0x449/0x710
[ 9914.273030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9914.273030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9914.273030][   T10]      ___sys_sendmsg+0xee/0x170
[ 9914.273030][   T10]      __sys_sendmsg+0xcd/0x170
[ 9914.273030][   T10]      do_syscall_64+0xc6/0x1e0
[ 9914.273030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9914.273030][   T10] 
[ 9915.610856][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9915.611427][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9915.611427][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9915.611427][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9915.611427][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9915.611427][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9915.611427][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9915.611427][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9915.611427][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9915.611427][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9915.611427][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9915.611427][ T1078]      netlink_unicast+0x449/0x710
[ 9915.611427][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9915.611427][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9915.611427][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9915.611427][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9915.611427][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9915.611427][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9915.611427][ T1078] 
[ 9915.613865][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9915.613865][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9915.613865][ T1078]      ipv6_find_idev+0x102/0x170
[ 9915.613865][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9915.613865][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9915.613865][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9915.613865][ T1078]      netlink_unicast+0x449/0x710
[ 9915.613865][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9915.613865][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9915.613865][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9915.613865][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9915.613865][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9915.613865][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9915.613865][ T1078] 
[ 9915.615692][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9915.615692][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9915.615692][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9915.615692][ T1078]      ipv6_find_idev+0x102/0x170
[ 9915.615692][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9915.615692][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9915.615692][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9915.615692][ T1078]      netlink_unicast+0x449/0x710
[ 9915.615692][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9915.615692][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9915.615692][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9915.615692][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9915.615692][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9915.615692][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9915.615692][ T1078] 
[ 9924.514861][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9924.515507][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9924.515507][   T10]      netdev_get_by_index+0x5e/0x80
[ 9924.515507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9924.515507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9924.515507][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9924.515507][   T10]      ipv6_add_addr+0x411/0x2000
[ 9924.515507][   T10]      inet6_addr_add+0x30e/0xa40
[ 9924.515507][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9924.515507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.515507][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.515507][   T10]      netlink_unicast+0x449/0x710
[ 9924.515507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.515507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.515507][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.515507][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.515507][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.515507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.515507][   T10] 
[ 9924.517766][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9924.517766][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9924.517766][   T10]      ipv6_find_idev+0x102/0x170
[ 9924.517766][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9924.517766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.517766][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.517766][   T10]      netlink_unicast+0x449/0x710
[ 9924.517766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.517766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.517766][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.517766][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.517766][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.517766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.517766][   T10] 
[ 9924.519573][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9924.519573][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9924.519573][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9924.519573][   T10]      ipv6_find_idev+0x102/0x170
[ 9924.519573][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9924.519573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.519573][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.519573][   T10]      netlink_unicast+0x449/0x710
[ 9924.519573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.519573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.519573][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.519573][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.519573][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.519573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.519573][   T10] 
[ 9924.521450][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9924.521727][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9924.521727][   T10]      netdev_get_by_index+0x5e/0x80
[ 9924.521727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9924.521727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9924.521727][   T10]      ip6_route_add+0x1c/0x140
[ 9924.521727][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9924.521727][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9924.521727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9924.521727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.521727][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.521727][   T10]      netlink_unicast+0x449/0x710
[ 9924.521727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.521727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.521727][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.521727][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.521727][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.521727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.521727][   T10] 
[ 9924.523917][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9924.523917][   T10]      netdev_get_by_index+0x5e/0x80
[ 9924.523917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9924.523917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9924.523917][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9924.523917][   T10]      ipv6_add_addr+0x411/0x2000
[ 9924.523917][   T10]      inet6_addr_add+0x30e/0xa40
[ 9924.523917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9924.523917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.523917][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.523917][   T10]      netlink_unicast+0x449/0x710
[ 9924.523917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.523917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.523917][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.523917][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.523917][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.523917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.523917][   T10] 
[ 9924.526203][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9924.526203][   T10]      netdev_get_by_index+0x5e/0x80
[ 9924.526203][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9924.526203][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9924.526203][   T10]      ip6_route_add+0x1c/0x140
[ 9924.526203][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9924.526203][   T10]      addrconf_add_dev+0xe2/0x170
[ 9924.526203][   T10]      inet6_addr_add+0x12f/0xa40
[ 9924.526203][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9924.526203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.526203][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.526203][   T10]      netlink_unicast+0x449/0x710
[ 9924.526203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.526203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.526203][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.526203][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.526203][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.526203][   T10] 
[ 9924.528475][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9924.528475][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9924.528475][   T10]      ipv6_find_idev+0x102/0x170
[ 9924.528475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9924.528475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.528475][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.528475][   T10]      netlink_unicast+0x449/0x710
[ 9924.528475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.528475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.528475][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.528475][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.528475][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.528475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.528475][   T10] 
[ 9924.530265][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9924.530265][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9924.530265][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9924.530265][   T10]      ipv6_find_idev+0x102/0x170
[ 9924.530265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9924.530265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9924.530265][   T10]      netlink_rcv_skb+0x130/0x360
[ 9924.530265][   T10]      netlink_unicast+0x449/0x710
[ 9924.530265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9924.530265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9924.530265][   T10]      ___sys_sendmsg+0xee/0x170
[ 9924.530265][   T10]      __sys_sendmsg+0xcd/0x170
[ 9924.530265][   T10]      do_syscall_64+0xc6/0x1e0
[ 9924.530265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9924.530265][   T10] 
[ 9925.858801][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9925.859482][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9925.859482][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9925.859482][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9925.859482][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9925.859482][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9925.859482][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9925.859482][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9925.859482][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9925.859482][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9925.859482][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9925.859482][ T1078]      netlink_unicast+0x449/0x710
[ 9925.859482][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9925.859482][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9925.859482][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9925.859482][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9925.859482][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9925.859482][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9925.859482][ T1078] 
[ 9925.861888][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9925.861888][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9925.861888][ T1078]      ipv6_find_idev+0x102/0x170
[ 9925.861888][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9925.861888][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9925.861888][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9925.861888][ T1078]      netlink_unicast+0x449/0x710
[ 9925.861888][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9925.861888][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9925.861888][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9925.861888][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9925.861888][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9925.861888][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9925.861888][ T1078] 
[ 9925.863814][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9925.863814][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9925.863814][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9925.863814][ T1078]      ipv6_find_idev+0x102/0x170
[ 9925.863814][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9925.863814][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9925.863814][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9925.863814][ T1078]      netlink_unicast+0x449/0x710
[ 9925.863814][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9925.863814][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9925.863814][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9925.863814][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9925.863814][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9925.863814][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9925.863814][ T1078] 
[ 9934.770885][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9934.771697][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9934.771697][   T10]      netdev_get_by_index+0x5e/0x80
[ 9934.771697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9934.771697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9934.771697][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9934.771697][   T10]      ipv6_add_addr+0x411/0x2000
[ 9934.771697][   T10]      inet6_addr_add+0x30e/0xa40
[ 9934.771697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9934.771697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.771697][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.771697][   T10]      netlink_unicast+0x449/0x710
[ 9934.771697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.771697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.771697][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.771697][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.771697][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.771697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.771697][   T10] 
[ 9934.773887][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9934.773887][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9934.773887][   T10]      ipv6_find_idev+0x102/0x170
[ 9934.773887][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9934.773887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.773887][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.773887][   T10]      netlink_unicast+0x449/0x710
[ 9934.773887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.773887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.773887][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.773887][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.773887][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.773887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.773887][   T10] 
[ 9934.775524][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9934.775524][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9934.775524][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9934.775524][   T10]      ipv6_find_idev+0x102/0x170
[ 9934.775524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9934.775524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.775524][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.775524][   T10]      netlink_unicast+0x449/0x710
[ 9934.775524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.775524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.775524][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.775524][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.775524][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.775524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.775524][   T10] 
[ 9934.777346][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9934.777605][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9934.777605][   T10]      netdev_get_by_index+0x5e/0x80
[ 9934.777605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9934.777605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9934.777605][   T10]      ip6_route_add+0x1c/0x140
[ 9934.777605][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9934.777605][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9934.777605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9934.777605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.777605][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.777605][   T10]      netlink_unicast+0x449/0x710
[ 9934.777605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.777605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.777605][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.777605][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.777605][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.777605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.777605][   T10] 
[ 9934.779858][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9934.779858][   T10]      netdev_get_by_index+0x5e/0x80
[ 9934.779858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9934.779858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9934.779858][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9934.779858][   T10]      ipv6_add_addr+0x411/0x2000
[ 9934.779858][   T10]      inet6_addr_add+0x30e/0xa40
[ 9934.779858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9934.779858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.779858][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.779858][   T10]      netlink_unicast+0x449/0x710
[ 9934.779858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.779858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.779858][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.779858][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.779858][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.779858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.779858][   T10] 
[ 9934.782132][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9934.782132][   T10]      netdev_get_by_index+0x5e/0x80
[ 9934.782132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9934.782132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9934.782132][   T10]      ip6_route_add+0x1c/0x140
[ 9934.782132][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9934.782132][   T10]      addrconf_add_dev+0xe2/0x170
[ 9934.782132][   T10]      inet6_addr_add+0x12f/0xa40
[ 9934.782132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9934.782132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.782132][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.782132][   T10]      netlink_unicast+0x449/0x710
[ 9934.782132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.782132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.782132][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.782132][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.782132][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.782132][   T10] 
[ 9934.784371][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9934.784371][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9934.784371][   T10]      ipv6_find_idev+0x102/0x170
[ 9934.784371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9934.784371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.784371][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.784371][   T10]      netlink_unicast+0x449/0x710
[ 9934.784371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.784371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.784371][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.784371][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.784371][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.784371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.784371][   T10] 
[ 9934.786091][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9934.786091][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9934.786091][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9934.786091][   T10]      ipv6_find_idev+0x102/0x170
[ 9934.786091][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9934.786091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9934.786091][   T10]      netlink_rcv_skb+0x130/0x360
[ 9934.786091][   T10]      netlink_unicast+0x449/0x710
[ 9934.786091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9934.786091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9934.786091][   T10]      ___sys_sendmsg+0xee/0x170
[ 9934.786091][   T10]      __sys_sendmsg+0xcd/0x170
[ 9934.786091][   T10]      do_syscall_64+0xc6/0x1e0
[ 9934.786091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9934.786091][   T10] 
[ 9936.106857][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9936.107472][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9936.107472][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9936.107472][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9936.107472][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9936.107472][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9936.107472][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9936.107472][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9936.107472][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9936.107472][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9936.107472][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9936.107472][ T1078]      netlink_unicast+0x449/0x710
[ 9936.107472][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9936.107472][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9936.107472][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9936.107472][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9936.107472][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9936.107472][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9936.107472][ T1078] 
[ 9936.110102][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9936.110102][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9936.110102][ T1078]      ipv6_find_idev+0x102/0x170
[ 9936.110102][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9936.110102][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9936.110102][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9936.110102][ T1078]      netlink_unicast+0x449/0x710
[ 9936.110102][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9936.110102][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9936.110102][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9936.110102][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9936.110102][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9936.110102][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9936.110102][ T1078] 
[ 9936.112015][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9936.112015][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9936.112015][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9936.112015][ T1078]      ipv6_find_idev+0x102/0x170
[ 9936.112015][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9936.112015][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9936.112015][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9936.112015][ T1078]      netlink_unicast+0x449/0x710
[ 9936.112015][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9936.112015][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9936.112015][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9936.112015][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9936.112015][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9936.112015][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9936.112015][ T1078] 
[ 9945.026905][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9945.027518][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9945.027518][   T10]      netdev_get_by_index+0x5e/0x80
[ 9945.027518][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9945.027518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9945.027518][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9945.027518][   T10]      ipv6_add_addr+0x411/0x2000
[ 9945.027518][   T10]      inet6_addr_add+0x30e/0xa40
[ 9945.027518][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9945.027518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.027518][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.027518][   T10]      netlink_unicast+0x449/0x710
[ 9945.027518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.027518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.027518][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.027518][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.027518][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.027518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.027518][   T10] 
[ 9945.029810][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9945.029810][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9945.029810][   T10]      ipv6_find_idev+0x102/0x170
[ 9945.029810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9945.029810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.029810][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.029810][   T10]      netlink_unicast+0x449/0x710
[ 9945.029810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.029810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.029810][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.029810][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.029810][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.029810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.029810][   T10] 
[ 9945.031561][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9945.031561][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9945.031561][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9945.031561][   T10]      ipv6_find_idev+0x102/0x170
[ 9945.031561][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9945.031561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.031561][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.031561][   T10]      netlink_unicast+0x449/0x710
[ 9945.031561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.031561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.031561][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.031561][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.031561][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.031561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.031561][   T10] 
[ 9945.033420][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9945.033683][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9945.033683][   T10]      netdev_get_by_index+0x5e/0x80
[ 9945.033683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9945.033683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9945.033683][   T10]      ip6_route_add+0x1c/0x140
[ 9945.033683][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9945.033683][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9945.033683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9945.033683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.033683][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.033683][   T10]      netlink_unicast+0x449/0x710
[ 9945.033683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.033683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.033683][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.033683][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.033683][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.033683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.033683][   T10] 
[ 9945.035937][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9945.035937][   T10]      netdev_get_by_index+0x5e/0x80
[ 9945.035937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9945.035937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9945.035937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9945.035937][   T10]      ipv6_add_addr+0x411/0x2000
[ 9945.035937][   T10]      inet6_addr_add+0x30e/0xa40
[ 9945.035937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9945.035937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.035937][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.035937][   T10]      netlink_unicast+0x449/0x710
[ 9945.035937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.035937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.035937][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.035937][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.035937][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.035937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.035937][   T10] 
[ 9945.038237][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9945.038237][   T10]      netdev_get_by_index+0x5e/0x80
[ 9945.038237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9945.038237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9945.038237][   T10]      ip6_route_add+0x1c/0x140
[ 9945.038237][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9945.038237][   T10]      addrconf_add_dev+0xe2/0x170
[ 9945.038237][   T10]      inet6_addr_add+0x12f/0xa40
[ 9945.038237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9945.038237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.038237][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.038237][   T10]      netlink_unicast+0x449/0x710
[ 9945.038237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.038237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.038237][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.038237][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.038237][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.038237][   T10] 
[ 9945.040449][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9945.040449][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9945.040449][   T10]      ipv6_find_idev+0x102/0x170
[ 9945.040449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9945.040449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.040449][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.040449][   T10]      netlink_unicast+0x449/0x710
[ 9945.040449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.040449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.040449][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.040449][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.040449][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.040449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.040449][   T10] 
[ 9945.042181][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9945.042181][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9945.042181][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9945.042181][   T10]      ipv6_find_idev+0x102/0x170
[ 9945.042181][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9945.042181][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9945.042181][   T10]      netlink_rcv_skb+0x130/0x360
[ 9945.042181][   T10]      netlink_unicast+0x449/0x710
[ 9945.042181][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9945.042181][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9945.042181][   T10]      ___sys_sendmsg+0xee/0x170
[ 9945.042181][   T10]      __sys_sendmsg+0xcd/0x170
[ 9945.042181][   T10]      do_syscall_64+0xc6/0x1e0
[ 9945.042181][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9945.042181][   T10] 
[ 9946.354857][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9946.355664][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9946.355664][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9946.355664][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9946.355664][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9946.355664][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9946.355664][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9946.355664][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9946.355664][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9946.355664][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9946.355664][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9946.355664][ T1078]      netlink_unicast+0x449/0x710
[ 9946.355664][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9946.355664][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9946.355664][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9946.355664][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9946.355664][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9946.355664][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9946.355664][ T1078] 
[ 9946.358105][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9946.358105][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9946.358105][ T1078]      ipv6_find_idev+0x102/0x170
[ 9946.358105][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9946.358105][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9946.358105][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9946.358105][ T1078]      netlink_unicast+0x449/0x710
[ 9946.358105][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9946.358105][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9946.358105][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9946.358105][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9946.358105][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9946.358105][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9946.358105][ T1078] 
[ 9946.359954][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9946.359954][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9946.359954][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9946.359954][ T1078]      ipv6_find_idev+0x102/0x170
[ 9946.359954][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9946.359954][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9946.359954][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9946.359954][ T1078]      netlink_unicast+0x449/0x710
[ 9946.359954][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9946.359954][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9946.359954][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9946.359954][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9946.359954][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9946.359954][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9946.359954][ T1078] 
[ 9955.282893][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9955.283725][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9955.283725][   T10]      netdev_get_by_index+0x5e/0x80
[ 9955.283725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9955.283725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9955.283725][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9955.283725][   T10]      ipv6_add_addr+0x411/0x2000
[ 9955.283725][   T10]      inet6_addr_add+0x30e/0xa40
[ 9955.283725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9955.283725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.283725][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.283725][   T10]      netlink_unicast+0x449/0x710
[ 9955.283725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.283725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.283725][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.283725][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.283725][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.283725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.283725][   T10] 
[ 9955.286001][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9955.286001][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9955.286001][   T10]      ipv6_find_idev+0x102/0x170
[ 9955.286001][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9955.286001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.286001][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.286001][   T10]      netlink_unicast+0x449/0x710
[ 9955.286001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.286001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.286001][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.286001][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.286001][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.286001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.286001][   T10] 
[ 9955.287635][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9955.287635][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9955.287635][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9955.287635][   T10]      ipv6_find_idev+0x102/0x170
[ 9955.287635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9955.287635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.287635][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.287635][   T10]      netlink_unicast+0x449/0x710
[ 9955.287635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.287635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.287635][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.287635][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.287635][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.287635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.287635][   T10] 
[ 9955.289487][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9955.289749][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9955.289749][   T10]      netdev_get_by_index+0x5e/0x80
[ 9955.289749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9955.289749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9955.289749][   T10]      ip6_route_add+0x1c/0x140
[ 9955.289749][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9955.289749][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9955.289749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9955.289749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.289749][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.289749][   T10]      netlink_unicast+0x449/0x710
[ 9955.289749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.289749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.289749][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.289749][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.289749][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.289749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.289749][   T10] 
[ 9955.292041][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9955.292041][   T10]      netdev_get_by_index+0x5e/0x80
[ 9955.292041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9955.292041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9955.292041][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9955.292041][   T10]      ipv6_add_addr+0x411/0x2000
[ 9955.292041][   T10]      inet6_addr_add+0x30e/0xa40
[ 9955.292041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9955.292041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.292041][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.292041][   T10]      netlink_unicast+0x449/0x710
[ 9955.292041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.292041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.292041][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.292041][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.292041][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.292041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.292041][   T10] 
[ 9955.294280][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9955.294280][   T10]      netdev_get_by_index+0x5e/0x80
[ 9955.294280][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9955.294280][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9955.294280][   T10]      ip6_route_add+0x1c/0x140
[ 9955.294280][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9955.294280][   T10]      addrconf_add_dev+0xe2/0x170
[ 9955.294280][   T10]      inet6_addr_add+0x12f/0xa40
[ 9955.294280][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9955.294280][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.294280][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.294280][   T10]      netlink_unicast+0x449/0x710
[ 9955.294280][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.294280][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.294280][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.294280][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.294280][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.294280][   T10] 
[ 9955.296400][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9955.296400][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9955.296400][   T10]      ipv6_find_idev+0x102/0x170
[ 9955.296400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9955.296400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.296400][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.296400][   T10]      netlink_unicast+0x449/0x710
[ 9955.296400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.296400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.296400][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.296400][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.296400][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.296400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.296400][   T10] 
[ 9955.298062][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9955.298062][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9955.298062][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9955.298062][   T10]      ipv6_find_idev+0x102/0x170
[ 9955.298062][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9955.298062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9955.298062][   T10]      netlink_rcv_skb+0x130/0x360
[ 9955.298062][   T10]      netlink_unicast+0x449/0x710
[ 9955.298062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9955.298062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9955.298062][   T10]      ___sys_sendmsg+0xee/0x170
[ 9955.298062][   T10]      __sys_sendmsg+0xcd/0x170
[ 9955.298062][   T10]      do_syscall_64+0xc6/0x1e0
[ 9955.298062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9955.298062][   T10] 
[ 9956.602795][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9956.603221][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9956.603221][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9956.603221][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9956.603221][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9956.603221][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9956.603221][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9956.603221][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9956.603221][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9956.603221][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9956.603221][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9956.603221][ T1078]      netlink_unicast+0x449/0x710
[ 9956.603221][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9956.603221][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9956.603221][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9956.603221][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9956.603221][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9956.603221][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9956.603221][ T1078] 
[ 9956.605673][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9956.605673][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9956.605673][ T1078]      ipv6_find_idev+0x102/0x170
[ 9956.605673][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9956.605673][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9956.605673][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9956.605673][ T1078]      netlink_unicast+0x449/0x710
[ 9956.605673][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9956.605673][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9956.605673][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9956.605673][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9956.605673][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9956.605673][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9956.605673][ T1078] 
[ 9956.607528][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9956.607528][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9956.607528][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9956.607528][ T1078]      ipv6_find_idev+0x102/0x170
[ 9956.607528][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9956.607528][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9956.607528][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9956.607528][ T1078]      netlink_unicast+0x449/0x710
[ 9956.607528][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9956.607528][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9956.607528][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9956.607528][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9956.607528][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9956.607528][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9956.607528][ T1078] 
[ 9965.538905][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9965.539635][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9965.539635][   T10]      netdev_get_by_index+0x5e/0x80
[ 9965.539635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9965.539635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9965.539635][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9965.539635][   T10]      ipv6_add_addr+0x411/0x2000
[ 9965.539635][   T10]      inet6_addr_add+0x30e/0xa40
[ 9965.539635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9965.539635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.539635][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.539635][   T10]      netlink_unicast+0x449/0x710
[ 9965.539635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.539635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.539635][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.539635][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.539635][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.539635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.539635][   T10] 
[ 9965.541858][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9965.541858][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9965.541858][   T10]      ipv6_find_idev+0x102/0x170
[ 9965.541858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9965.541858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.541858][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.541858][   T10]      netlink_unicast+0x449/0x710
[ 9965.541858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.541858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.541858][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.541858][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.541858][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.541858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.541858][   T10] 
[ 9965.543543][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9965.543543][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9965.543543][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9965.543543][   T10]      ipv6_find_idev+0x102/0x170
[ 9965.543543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9965.543543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.543543][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.543543][   T10]      netlink_unicast+0x449/0x710
[ 9965.543543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.543543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.543543][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.543543][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.543543][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.543543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.543543][   T10] 
[ 9965.545404][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9965.545666][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9965.545666][   T10]      netdev_get_by_index+0x5e/0x80
[ 9965.545666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9965.545666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9965.545666][   T10]      ip6_route_add+0x1c/0x140
[ 9965.545666][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9965.545666][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9965.545666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9965.545666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.545666][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.545666][   T10]      netlink_unicast+0x449/0x710
[ 9965.545666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.545666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.545666][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.545666][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.545666][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.545666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.545666][   T10] 
[ 9965.548072][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9965.548072][   T10]      netdev_get_by_index+0x5e/0x80
[ 9965.548072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9965.548072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9965.548072][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9965.548072][   T10]      ipv6_add_addr+0x411/0x2000
[ 9965.548072][   T10]      inet6_addr_add+0x30e/0xa40
[ 9965.548072][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9965.548072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.548072][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.548072][   T10]      netlink_unicast+0x449/0x710
[ 9965.548072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.548072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.548072][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.548072][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.548072][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.548072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.548072][   T10] 
[ 9965.550105][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9965.550105][   T10]      netdev_get_by_index+0x5e/0x80
[ 9965.550105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9965.550105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9965.550105][   T10]      ip6_route_add+0x1c/0x140
[ 9965.550105][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9965.550105][   T10]      addrconf_add_dev+0xe2/0x170
[ 9965.550105][   T10]      inet6_addr_add+0x12f/0xa40
[ 9965.550105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9965.550105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.550105][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.550105][   T10]      netlink_unicast+0x449/0x710
[ 9965.550105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.550105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.550105][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.550105][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.550105][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.550105][   T10] 
[ 9965.552012][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9965.552012][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9965.552012][   T10]      ipv6_find_idev+0x102/0x170
[ 9965.552012][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9965.552012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.552012][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.552012][   T10]      netlink_unicast+0x449/0x710
[ 9965.552012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.552012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.552012][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.552012][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.552012][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.552012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.552012][   T10] 
[ 9965.553569][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9965.553569][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9965.553569][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9965.553569][   T10]      ipv6_find_idev+0x102/0x170
[ 9965.553569][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9965.553569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9965.553569][   T10]      netlink_rcv_skb+0x130/0x360
[ 9965.553569][   T10]      netlink_unicast+0x449/0x710
[ 9965.553569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9965.553569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9965.553569][   T10]      ___sys_sendmsg+0xee/0x170
[ 9965.553569][   T10]      __sys_sendmsg+0xcd/0x170
[ 9965.553569][   T10]      do_syscall_64+0xc6/0x1e0
[ 9965.553569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9965.553569][   T10] 
[ 9966.850867][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9966.851501][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9966.851501][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9966.851501][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9966.851501][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9966.851501][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9966.851501][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9966.851501][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9966.851501][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9966.851501][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9966.851501][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9966.851501][ T1078]      netlink_unicast+0x449/0x710
[ 9966.851501][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9966.851501][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9966.851501][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9966.851501][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9966.851501][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9966.851501][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9966.851501][ T1078] 
[ 9966.853741][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9966.853741][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9966.853741][ T1078]      ipv6_find_idev+0x102/0x170
[ 9966.853741][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9966.853741][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9966.853741][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9966.853741][ T1078]      netlink_unicast+0x449/0x710
[ 9966.853741][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9966.853741][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9966.853741][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9966.853741][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9966.853741][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9966.853741][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9966.853741][ T1078] 
[ 9966.856014][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9966.856014][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9966.856014][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9966.856014][ T1078]      ipv6_find_idev+0x102/0x170
[ 9966.856014][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9966.856014][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9966.856014][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9966.856014][ T1078]      netlink_unicast+0x449/0x710
[ 9966.856014][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9966.856014][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9966.856014][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9966.856014][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9966.856014][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9966.856014][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9966.856014][ T1078] 
[ 9975.794807][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9975.795184][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9975.795184][   T10]      netdev_get_by_index+0x5e/0x80
[ 9975.795184][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9975.795184][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9975.795184][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9975.795184][   T10]      ipv6_add_addr+0x411/0x2000
[ 9975.795184][   T10]      inet6_addr_add+0x30e/0xa40
[ 9975.795184][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9975.795184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.795184][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.795184][   T10]      netlink_unicast+0x449/0x710
[ 9975.795184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.795184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.795184][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.795184][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.795184][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.795184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.795184][   T10] 
[ 9975.797187][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9975.797187][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9975.797187][   T10]      ipv6_find_idev+0x102/0x170
[ 9975.797187][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9975.797187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.797187][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.797187][   T10]      netlink_unicast+0x449/0x710
[ 9975.797187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.797187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.797187][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.797187][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.797187][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.797187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.797187][   T10] 
[ 9975.798765][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9975.798765][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9975.798765][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9975.798765][   T10]      ipv6_find_idev+0x102/0x170
[ 9975.798765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9975.798765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.798765][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.798765][   T10]      netlink_unicast+0x449/0x710
[ 9975.798765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.798765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.798765][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.798765][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.798765][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.798765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.798765][   T10] 
[ 9975.800435][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9975.800677][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9975.800677][   T10]      netdev_get_by_index+0x5e/0x80
[ 9975.800677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9975.800677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9975.800677][   T10]      ip6_route_add+0x1c/0x140
[ 9975.800677][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9975.800677][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9975.800677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9975.800677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.800677][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.800677][   T10]      netlink_unicast+0x449/0x710
[ 9975.800677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.800677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.800677][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.800677][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.800677][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.800677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.800677][   T10] 
[ 9975.802671][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9975.802671][   T10]      netdev_get_by_index+0x5e/0x80
[ 9975.802671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9975.802671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9975.802671][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9975.802671][   T10]      ipv6_add_addr+0x411/0x2000
[ 9975.802671][   T10]      inet6_addr_add+0x30e/0xa40
[ 9975.802671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9975.802671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.802671][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.802671][   T10]      netlink_unicast+0x449/0x710
[ 9975.802671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.802671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.802671][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.802671][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.802671][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.802671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.802671][   T10] 
[ 9975.804658][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9975.804658][   T10]      netdev_get_by_index+0x5e/0x80
[ 9975.804658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9975.804658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9975.804658][   T10]      ip6_route_add+0x1c/0x140
[ 9975.804658][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9975.804658][   T10]      addrconf_add_dev+0xe2/0x170
[ 9975.804658][   T10]      inet6_addr_add+0x12f/0xa40
[ 9975.804658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9975.804658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.804658][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.804658][   T10]      netlink_unicast+0x449/0x710
[ 9975.804658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.804658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.804658][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.804658][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.804658][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.804658][   T10] 
[ 9975.806609][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9975.806609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9975.806609][   T10]      ipv6_find_idev+0x102/0x170
[ 9975.806609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9975.806609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.806609][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.806609][   T10]      netlink_unicast+0x449/0x710
[ 9975.806609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.806609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.806609][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.806609][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.806609][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.806609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.806609][   T10] 
[ 9975.808191][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9975.808191][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9975.808191][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9975.808191][   T10]      ipv6_find_idev+0x102/0x170
[ 9975.808191][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9975.808191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9975.808191][   T10]      netlink_rcv_skb+0x130/0x360
[ 9975.808191][   T10]      netlink_unicast+0x449/0x710
[ 9975.808191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9975.808191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9975.808191][   T10]      ___sys_sendmsg+0xee/0x170
[ 9975.808191][   T10]      __sys_sendmsg+0xcd/0x170
[ 9975.808191][   T10]      do_syscall_64+0xc6/0x1e0
[ 9975.808191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9975.808191][   T10] 
[ 9977.106788][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9977.107257][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9977.107257][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9977.107257][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9977.107257][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9977.107257][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9977.107257][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9977.107257][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9977.107257][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9977.107257][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9977.107257][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9977.107257][ T1078]      netlink_unicast+0x449/0x710
[ 9977.107257][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9977.107257][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9977.107257][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9977.107257][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9977.107257][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9977.107257][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9977.107257][ T1078] 
[ 9977.109539][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9977.109539][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9977.109539][ T1078]      ipv6_find_idev+0x102/0x170
[ 9977.109539][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9977.109539][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9977.109539][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9977.109539][ T1078]      netlink_unicast+0x449/0x710
[ 9977.109539][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9977.109539][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9977.109539][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9977.109539][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9977.109539][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9977.109539][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9977.109539][ T1078] 
[ 9977.111271][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9977.111271][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9977.111271][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9977.111271][ T1078]      ipv6_find_idev+0x102/0x170
[ 9977.111271][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9977.111271][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9977.111271][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9977.111271][ T1078]      netlink_unicast+0x449/0x710
[ 9977.111271][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9977.111271][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9977.111271][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9977.111271][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9977.111271][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9977.111271][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9977.111271][ T1078] 
[ 9986.050877][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9986.051445][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9986.051445][   T10]      netdev_get_by_index+0x5e/0x80
[ 9986.051445][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9986.051445][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9986.051445][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9986.051445][   T10]      ipv6_add_addr+0x411/0x2000
[ 9986.051445][   T10]      inet6_addr_add+0x30e/0xa40
[ 9986.051445][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9986.051445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.051445][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.051445][   T10]      netlink_unicast+0x449/0x710
[ 9986.051445][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.051445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.051445][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.051445][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.051445][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.051445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.051445][   T10] 
[ 9986.053451][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9986.053451][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9986.053451][   T10]      ipv6_find_idev+0x102/0x170
[ 9986.053451][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9986.053451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.053451][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.053451][   T10]      netlink_unicast+0x449/0x710
[ 9986.053451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.053451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.053451][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.053451][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.053451][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.053451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.053451][   T10] 
[ 9986.054974][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9986.054974][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9986.054974][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9986.054974][   T10]      ipv6_find_idev+0x102/0x170
[ 9986.054974][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9986.054974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.054974][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.054974][   T10]      netlink_unicast+0x449/0x710
[ 9986.054974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.054974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.054974][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.054974][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.054974][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.054974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.054974][   T10] 
[ 9986.056629][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9986.056872][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9986.056872][   T10]      netdev_get_by_index+0x5e/0x80
[ 9986.056872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9986.056872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9986.056872][   T10]      ip6_route_add+0x1c/0x140
[ 9986.056872][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9986.056872][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9986.056872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9986.056872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.056872][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.056872][   T10]      netlink_unicast+0x449/0x710
[ 9986.056872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.056872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.056872][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.056872][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.056872][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.056872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.056872][   T10] 
[ 9986.058881][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9986.058881][   T10]      netdev_get_by_index+0x5e/0x80
[ 9986.058881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9986.058881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9986.058881][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9986.058881][   T10]      ipv6_add_addr+0x411/0x2000
[ 9986.058881][   T10]      inet6_addr_add+0x30e/0xa40
[ 9986.058881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9986.058881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.058881][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.058881][   T10]      netlink_unicast+0x449/0x710
[ 9986.058881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.058881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.058881][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.058881][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.058881][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.058881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.058881][   T10] 
[ 9986.060854][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9986.060854][   T10]      netdev_get_by_index+0x5e/0x80
[ 9986.060854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9986.060854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9986.060854][   T10]      ip6_route_add+0x1c/0x140
[ 9986.060854][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9986.060854][   T10]      addrconf_add_dev+0xe2/0x170
[ 9986.060854][   T10]      inet6_addr_add+0x12f/0xa40
[ 9986.060854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9986.060854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.060854][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.060854][   T10]      netlink_unicast+0x449/0x710
[ 9986.060854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.060854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.060854][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.060854][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.060854][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.060854][   T10] 
[ 9986.062757][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9986.062757][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9986.062757][   T10]      ipv6_find_idev+0x102/0x170
[ 9986.062757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9986.062757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.062757][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.062757][   T10]      netlink_unicast+0x449/0x710
[ 9986.062757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.062757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.062757][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.062757][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.062757][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.062757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.062757][   T10] 
[ 9986.064248][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9986.064248][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9986.064248][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9986.064248][   T10]      ipv6_find_idev+0x102/0x170
[ 9986.064248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9986.064248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9986.064248][   T10]      netlink_rcv_skb+0x130/0x360
[ 9986.064248][   T10]      netlink_unicast+0x449/0x710
[ 9986.064248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9986.064248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9986.064248][   T10]      ___sys_sendmsg+0xee/0x170
[ 9986.064248][   T10]      __sys_sendmsg+0xcd/0x170
[ 9986.064248][   T10]      do_syscall_64+0xc6/0x1e0
[ 9986.064248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9986.064248][   T10] 
[ 9987.362862][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9987.363518][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9987.363518][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9987.363518][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9987.363518][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9987.363518][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9987.363518][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9987.363518][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9987.363518][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9987.363518][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9987.363518][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9987.363518][ T1078]      netlink_unicast+0x449/0x710
[ 9987.363518][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9987.363518][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9987.363518][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9987.363518][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9987.363518][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9987.363518][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9987.363518][ T1078] 
[ 9987.365765][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9987.365765][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9987.365765][ T1078]      ipv6_find_idev+0x102/0x170
[ 9987.365765][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9987.365765][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9987.365765][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9987.365765][ T1078]      netlink_unicast+0x449/0x710
[ 9987.365765][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9987.365765][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9987.365765][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9987.365765][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9987.365765][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9987.365765][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9987.365765][ T1078] 
[ 9987.367481][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9987.367481][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9987.367481][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9987.367481][ T1078]      ipv6_find_idev+0x102/0x170
[ 9987.367481][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9987.367481][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9987.367481][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9987.367481][ T1078]      netlink_unicast+0x449/0x710
[ 9987.367481][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9987.367481][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9987.367481][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9987.367481][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9987.367481][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9987.367481][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9987.367481][ T1078] 
[ 9996.306887][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[ 9996.307445][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9996.307445][   T10]      netdev_get_by_index+0x5e/0x80
[ 9996.307445][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9996.307445][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9996.307445][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9996.307445][   T10]      ipv6_add_addr+0x411/0x2000
[ 9996.307445][   T10]      inet6_addr_add+0x30e/0xa40
[ 9996.307445][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9996.307445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.307445][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.307445][   T10]      netlink_unicast+0x449/0x710
[ 9996.307445][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.307445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.307445][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.307445][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.307445][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.307445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.307445][   T10] 
[ 9996.309592][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9996.309592][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9996.309592][   T10]      ipv6_find_idev+0x102/0x170
[ 9996.309592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9996.309592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.309592][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.309592][   T10]      netlink_unicast+0x449/0x710
[ 9996.309592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.309592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.309592][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.309592][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.309592][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.309592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.309592][   T10] 
[ 9996.311107][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[ 9996.311107][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9996.311107][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9996.311107][   T10]      ipv6_find_idev+0x102/0x170
[ 9996.311107][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9996.311107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.311107][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.311107][   T10]      netlink_unicast+0x449/0x710
[ 9996.311107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.311107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.311107][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.311107][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.311107][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.311107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.311107][   T10] 
[ 9996.312751][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[ 9996.312982][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9996.312982][   T10]      netdev_get_by_index+0x5e/0x80
[ 9996.312982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9996.312982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9996.312982][   T10]      ip6_route_add+0x1c/0x140
[ 9996.312982][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 9996.312982][   T10]      inet6_addr_add+0x4f8/0xa40
[ 9996.312982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9996.312982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.312982][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.312982][   T10]      netlink_unicast+0x449/0x710
[ 9996.312982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.312982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.312982][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.312982][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.312982][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.312982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.312982][   T10] 
[ 9996.314980][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9996.314980][   T10]      netdev_get_by_index+0x5e/0x80
[ 9996.314980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9996.314980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9996.314980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 9996.314980][   T10]      ipv6_add_addr+0x411/0x2000
[ 9996.314980][   T10]      inet6_addr_add+0x30e/0xa40
[ 9996.314980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9996.314980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.314980][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.314980][   T10]      netlink_unicast+0x449/0x710
[ 9996.314980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.314980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.314980][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.314980][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.314980][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.314980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.314980][   T10] 
[ 9996.316976][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9996.316976][   T10]      netdev_get_by_index+0x5e/0x80
[ 9996.316976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 9996.316976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 9996.316976][   T10]      ip6_route_add+0x1c/0x140
[ 9996.316976][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 9996.316976][   T10]      addrconf_add_dev+0xe2/0x170
[ 9996.316976][   T10]      inet6_addr_add+0x12f/0xa40
[ 9996.316976][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 9996.316976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.316976][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.316976][   T10]      netlink_unicast+0x449/0x710
[ 9996.316976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.316976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.316976][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.316976][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.316976][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.316976][   T10] 
[ 9996.318948][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9996.318948][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 9996.318948][   T10]      ipv6_find_idev+0x102/0x170
[ 9996.318948][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9996.318948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.318948][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.318948][   T10]      netlink_unicast+0x449/0x710
[ 9996.318948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.318948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.318948][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.318948][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.318948][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.318948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.318948][   T10] 
[ 9996.320498][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[ 9996.320498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 9996.320498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 9996.320498][   T10]      ipv6_find_idev+0x102/0x170
[ 9996.320498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9996.320498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9996.320498][   T10]      netlink_rcv_skb+0x130/0x360
[ 9996.320498][   T10]      netlink_unicast+0x449/0x710
[ 9996.320498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 9996.320498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 9996.320498][   T10]      ___sys_sendmsg+0xee/0x170
[ 9996.320498][   T10]      __sys_sendmsg+0xcd/0x170
[ 9996.320498][   T10]      do_syscall_64+0xc6/0x1e0
[ 9996.320498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9996.320498][   T10] 
[ 9997.618887][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[ 9997.619556][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9997.619556][ T1078]      netdev_get_by_index+0x5e/0x80
[ 9997.619556][ T1078]      fib6_nh_init+0x3d8/0x1580
[ 9997.619556][ T1078]      ip6_route_info_create+0xf18/0x17d0
[ 9997.619556][ T1078]      addrconf_f6i_alloc+0x315/0x560
[ 9997.619556][ T1078]      ipv6_add_addr+0x411/0x2000
[ 9997.619556][ T1078]      inet6_addr_add+0x30e/0xa40
[ 9997.619556][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[ 9997.619556][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9997.619556][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9997.619556][ T1078]      netlink_unicast+0x449/0x710
[ 9997.619556][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9997.619556][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9997.619556][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9997.619556][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9997.619556][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9997.619556][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9997.619556][ T1078] 
[ 9997.621981][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9997.621981][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[ 9997.621981][ T1078]      ipv6_find_idev+0x102/0x170
[ 9997.621981][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9997.621981][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9997.621981][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9997.621981][ T1078]      netlink_unicast+0x449/0x710
[ 9997.621981][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9997.621981][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9997.621981][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9997.621981][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9997.621981][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9997.621981][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9997.621981][ T1078] 
[ 9997.623707][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[ 9997.623707][ T1078]      neigh_parms_alloc+0x1e5/0x510
[ 9997.623707][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[ 9997.623707][ T1078]      ipv6_find_idev+0x102/0x170
[ 9997.623707][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[ 9997.623707][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 9997.623707][ T1078]      netlink_rcv_skb+0x130/0x360
[ 9997.623707][ T1078]      netlink_unicast+0x449/0x710
[ 9997.623707][ T1078]      netlink_sendmsg+0x723/0xbe0
[ 9997.623707][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[ 9997.623707][ T1078]      ___sys_sendmsg+0xee/0x170
[ 9997.623707][ T1078]      __sys_sendmsg+0xcd/0x170
[ 9997.623707][ T1078]      do_syscall_64+0xc6/0x1e0
[ 9997.623707][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 9997.623707][ T1078] 
[10006.562862][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10006.563553][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10006.563553][   T10]      netdev_get_by_index+0x5e/0x80
[10006.563553][   T10]      fib6_nh_init+0x3d8/0x1580
[10006.563553][   T10]      ip6_route_info_create+0xf18/0x17d0
[10006.563553][   T10]      addrconf_f6i_alloc+0x315/0x560
[10006.563553][   T10]      ipv6_add_addr+0x411/0x2000
[10006.563553][   T10]      inet6_addr_add+0x30e/0xa40
[10006.563553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10006.563553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.563553][   T10]      netlink_rcv_skb+0x130/0x360
[10006.563553][   T10]      netlink_unicast+0x449/0x710
[10006.563553][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.563553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.563553][   T10]      ___sys_sendmsg+0xee/0x170
[10006.563553][   T10]      __sys_sendmsg+0xcd/0x170
[10006.563553][   T10]      do_syscall_64+0xc6/0x1e0
[10006.563553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.563553][   T10] 
[10006.565562][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10006.565562][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10006.565562][   T10]      ipv6_find_idev+0x102/0x170
[10006.565562][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10006.565562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.565562][   T10]      netlink_rcv_skb+0x130/0x360
[10006.565562][   T10]      netlink_unicast+0x449/0x710
[10006.565562][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.565562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.565562][   T10]      ___sys_sendmsg+0xee/0x170
[10006.565562][   T10]      __sys_sendmsg+0xcd/0x170
[10006.565562][   T10]      do_syscall_64+0xc6/0x1e0
[10006.565562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.565562][   T10] 
[10006.567099][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10006.567099][   T10]      neigh_parms_alloc+0x1e5/0x510
[10006.567099][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10006.567099][   T10]      ipv6_find_idev+0x102/0x170
[10006.567099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10006.567099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.567099][   T10]      netlink_rcv_skb+0x130/0x360
[10006.567099][   T10]      netlink_unicast+0x449/0x710
[10006.567099][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.567099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.567099][   T10]      ___sys_sendmsg+0xee/0x170
[10006.567099][   T10]      __sys_sendmsg+0xcd/0x170
[10006.567099][   T10]      do_syscall_64+0xc6/0x1e0
[10006.567099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.567099][   T10] 
[10006.568818][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10006.569057][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10006.569057][   T10]      netdev_get_by_index+0x5e/0x80
[10006.569057][   T10]      fib6_nh_init+0x3d8/0x1580
[10006.569057][   T10]      ip6_route_info_create+0xf18/0x17d0
[10006.569057][   T10]      ip6_route_add+0x1c/0x140
[10006.569057][   T10]      addrconf_prefix_route+0x2a6/0x430
[10006.569057][   T10]      inet6_addr_add+0x4f8/0xa40
[10006.569057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10006.569057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.569057][   T10]      netlink_rcv_skb+0x130/0x360
[10006.569057][   T10]      netlink_unicast+0x449/0x710
[10006.569057][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.569057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.569057][   T10]      ___sys_sendmsg+0xee/0x170
[10006.569057][   T10]      __sys_sendmsg+0xcd/0x170
[10006.569057][   T10]      do_syscall_64+0xc6/0x1e0
[10006.569057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.569057][   T10] 
[10006.571031][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10006.571031][   T10]      netdev_get_by_index+0x5e/0x80
[10006.571031][   T10]      fib6_nh_init+0x3d8/0x1580
[10006.571031][   T10]      ip6_route_info_create+0xf18/0x17d0
[10006.571031][   T10]      addrconf_f6i_alloc+0x315/0x560
[10006.571031][   T10]      ipv6_add_addr+0x411/0x2000
[10006.571031][   T10]      inet6_addr_add+0x30e/0xa40
[10006.571031][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10006.571031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.571031][   T10]      netlink_rcv_skb+0x130/0x360
[10006.571031][   T10]      netlink_unicast+0x449/0x710
[10006.571031][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.571031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.571031][   T10]      ___sys_sendmsg+0xee/0x170
[10006.571031][   T10]      __sys_sendmsg+0xcd/0x170
[10006.571031][   T10]      do_syscall_64+0xc6/0x1e0
[10006.571031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.571031][   T10] 
[10006.572974][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10006.572974][   T10]      netdev_get_by_index+0x5e/0x80
[10006.572974][   T10]      fib6_nh_init+0x3d8/0x1580
[10006.572974][   T10]      ip6_route_info_create+0xf18/0x17d0
[10006.572974][   T10]      ip6_route_add+0x1c/0x140
[10006.572974][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10006.572974][   T10]      addrconf_add_dev+0xe2/0x170
[10006.572974][   T10]      inet6_addr_add+0x12f/0xa40
[10006.572974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10006.572974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.572974][   T10]      netlink_rcv_skb+0x130/0x360
[10006.572974][   T10]      netlink_unicast+0x449/0x710
[10006.572974][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.572974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.572974][   T10]      ___sys_sendmsg+0xee/0x170
[10006.572974][   T10]      __sys_sendmsg+0xcd/0x170
[10006.572974][   T10]      do_syscall_64+0xc6/0x1e0
[10006.572974][   T10] 
[10006.574875][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10006.574875][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10006.574875][   T10]      ipv6_find_idev+0x102/0x170
[10006.574875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10006.574875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.574875][   T10]      netlink_rcv_skb+0x130/0x360
[10006.574875][   T10]      netlink_unicast+0x449/0x710
[10006.574875][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.574875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.574875][   T10]      ___sys_sendmsg+0xee/0x170
[10006.574875][   T10]      __sys_sendmsg+0xcd/0x170
[10006.574875][   T10]      do_syscall_64+0xc6/0x1e0
[10006.574875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.574875][   T10] 
[10006.576418][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10006.576418][   T10]      neigh_parms_alloc+0x1e5/0x510
[10006.576418][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10006.576418][   T10]      ipv6_find_idev+0x102/0x170
[10006.576418][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10006.576418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10006.576418][   T10]      netlink_rcv_skb+0x130/0x360
[10006.576418][   T10]      netlink_unicast+0x449/0x710
[10006.576418][   T10]      netlink_sendmsg+0x723/0xbe0
[10006.576418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10006.576418][   T10]      ___sys_sendmsg+0xee/0x170
[10006.576418][   T10]      __sys_sendmsg+0xcd/0x170
[10006.576418][   T10]      do_syscall_64+0xc6/0x1e0
[10006.576418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10006.576418][   T10] 
[10007.874907][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10007.875802][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10007.875802][ T1078]      netdev_get_by_index+0x5e/0x80
[10007.875802][ T1078]      fib6_nh_init+0x3d8/0x1580
[10007.875802][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10007.875802][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10007.875802][ T1078]      ipv6_add_addr+0x411/0x2000
[10007.875802][ T1078]      inet6_addr_add+0x30e/0xa40
[10007.875802][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10007.875802][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10007.875802][ T1078]      netlink_rcv_skb+0x130/0x360
[10007.875802][ T1078]      netlink_unicast+0x449/0x710
[10007.875802][ T1078]      netlink_sendmsg+0x723/0xbe0
[10007.875802][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10007.875802][ T1078]      ___sys_sendmsg+0xee/0x170
[10007.875802][ T1078]      __sys_sendmsg+0xcd/0x170
[10007.875802][ T1078]      do_syscall_64+0xc6/0x1e0
[10007.875802][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10007.875802][ T1078] 
[10007.878103][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10007.878103][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10007.878103][ T1078]      ipv6_find_idev+0x102/0x170
[10007.878103][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10007.878103][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10007.878103][ T1078]      netlink_rcv_skb+0x130/0x360
[10007.878103][ T1078]      netlink_unicast+0x449/0x710
[10007.878103][ T1078]      netlink_sendmsg+0x723/0xbe0
[10007.878103][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10007.878103][ T1078]      ___sys_sendmsg+0xee/0x170
[10007.878103][ T1078]      __sys_sendmsg+0xcd/0x170
[10007.878103][ T1078]      do_syscall_64+0xc6/0x1e0
[10007.878103][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10007.878103][ T1078] 
[10007.879836][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10007.879836][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10007.879836][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10007.879836][ T1078]      ipv6_find_idev+0x102/0x170
[10007.879836][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10007.879836][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10007.879836][ T1078]      netlink_rcv_skb+0x130/0x360
[10007.879836][ T1078]      netlink_unicast+0x449/0x710
[10007.879836][ T1078]      netlink_sendmsg+0x723/0xbe0
[10007.879836][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10007.879836][ T1078]      ___sys_sendmsg+0xee/0x170
[10007.879836][ T1078]      __sys_sendmsg+0xcd/0x170
[10007.879836][ T1078]      do_syscall_64+0xc6/0x1e0
[10007.879836][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10007.879836][ T1078] 
[10016.818871][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10016.819561][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10016.819561][   T10]      netdev_get_by_index+0x5e/0x80
[10016.819561][   T10]      fib6_nh_init+0x3d8/0x1580
[10016.819561][   T10]      ip6_route_info_create+0xf18/0x17d0
[10016.819561][   T10]      addrconf_f6i_alloc+0x315/0x560
[10016.819561][   T10]      ipv6_add_addr+0x411/0x2000
[10016.819561][   T10]      inet6_addr_add+0x30e/0xa40
[10016.819561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10016.819561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.819561][   T10]      netlink_rcv_skb+0x130/0x360
[10016.819561][   T10]      netlink_unicast+0x449/0x710
[10016.819561][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.819561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.819561][   T10]      ___sys_sendmsg+0xee/0x170
[10016.819561][   T10]      __sys_sendmsg+0xcd/0x170
[10016.819561][   T10]      do_syscall_64+0xc6/0x1e0
[10016.819561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.819561][   T10] 
[10016.821514][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10016.821514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10016.821514][   T10]      ipv6_find_idev+0x102/0x170
[10016.821514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10016.821514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.821514][   T10]      netlink_rcv_skb+0x130/0x360
[10016.821514][   T10]      netlink_unicast+0x449/0x710
[10016.821514][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.821514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.821514][   T10]      ___sys_sendmsg+0xee/0x170
[10016.821514][   T10]      __sys_sendmsg+0xcd/0x170
[10016.821514][   T10]      do_syscall_64+0xc6/0x1e0
[10016.821514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.821514][   T10] 
[10016.822979][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10016.822979][   T10]      neigh_parms_alloc+0x1e5/0x510
[10016.822979][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10016.822979][   T10]      ipv6_find_idev+0x102/0x170
[10016.822979][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10016.822979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.822979][   T10]      netlink_rcv_skb+0x130/0x360
[10016.822979][   T10]      netlink_unicast+0x449/0x710
[10016.822979][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.822979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.822979][   T10]      ___sys_sendmsg+0xee/0x170
[10016.822979][   T10]      __sys_sendmsg+0xcd/0x170
[10016.822979][   T10]      do_syscall_64+0xc6/0x1e0
[10016.822979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.822979][   T10] 
[10016.824608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10016.824854][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10016.824854][   T10]      netdev_get_by_index+0x5e/0x80
[10016.824854][   T10]      fib6_nh_init+0x3d8/0x1580
[10016.824854][   T10]      ip6_route_info_create+0xf18/0x17d0
[10016.824854][   T10]      ip6_route_add+0x1c/0x140
[10016.824854][   T10]      addrconf_prefix_route+0x2a6/0x430
[10016.824854][   T10]      inet6_addr_add+0x4f8/0xa40
[10016.824854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10016.824854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.824854][   T10]      netlink_rcv_skb+0x130/0x360
[10016.824854][   T10]      netlink_unicast+0x449/0x710
[10016.824854][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.824854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.824854][   T10]      ___sys_sendmsg+0xee/0x170
[10016.824854][   T10]      __sys_sendmsg+0xcd/0x170
[10016.824854][   T10]      do_syscall_64+0xc6/0x1e0
[10016.824854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.824854][   T10] 
[10016.826733][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10016.826733][   T10]      netdev_get_by_index+0x5e/0x80
[10016.826733][   T10]      fib6_nh_init+0x3d8/0x1580
[10016.826733][   T10]      ip6_route_info_create+0xf18/0x17d0
[10016.826733][   T10]      addrconf_f6i_alloc+0x315/0x560
[10016.826733][   T10]      ipv6_add_addr+0x411/0x2000
[10016.826733][   T10]      inet6_addr_add+0x30e/0xa40
[10016.826733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10016.826733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.826733][   T10]      netlink_rcv_skb+0x130/0x360
[10016.826733][   T10]      netlink_unicast+0x449/0x710
[10016.826733][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.826733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.826733][   T10]      ___sys_sendmsg+0xee/0x170
[10016.826733][   T10]      __sys_sendmsg+0xcd/0x170
[10016.826733][   T10]      do_syscall_64+0xc6/0x1e0
[10016.826733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.826733][   T10] 
[10016.828687][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10016.828687][   T10]      netdev_get_by_index+0x5e/0x80
[10016.828687][   T10]      fib6_nh_init+0x3d8/0x1580
[10016.828687][   T10]      ip6_route_info_create+0xf18/0x17d0
[10016.828687][   T10]      ip6_route_add+0x1c/0x140
[10016.828687][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10016.828687][   T10]      addrconf_add_dev+0xe2/0x170
[10016.828687][   T10]      inet6_addr_add+0x12f/0xa40
[10016.828687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10016.828687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.828687][   T10]      netlink_rcv_skb+0x130/0x360
[10016.828687][   T10]      netlink_unicast+0x449/0x710
[10016.828687][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.828687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.828687][   T10]      ___sys_sendmsg+0xee/0x170
[10016.828687][   T10]      __sys_sendmsg+0xcd/0x170
[10016.828687][   T10]      do_syscall_64+0xc6/0x1e0
[10016.828687][   T10] 
[10016.830588][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10016.830588][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10016.830588][   T10]      ipv6_find_idev+0x102/0x170
[10016.830588][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10016.830588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.830588][   T10]      netlink_rcv_skb+0x130/0x360
[10016.830588][   T10]      netlink_unicast+0x449/0x710
[10016.830588][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.830588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.830588][   T10]      ___sys_sendmsg+0xee/0x170
[10016.830588][   T10]      __sys_sendmsg+0xcd/0x170
[10016.830588][   T10]      do_syscall_64+0xc6/0x1e0
[10016.830588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.830588][   T10] 
[10016.832550][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10016.832550][   T10]      neigh_parms_alloc+0x1e5/0x510
[10016.832550][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10016.832550][   T10]      ipv6_find_idev+0x102/0x170
[10016.832550][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10016.832550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10016.832550][   T10]      netlink_rcv_skb+0x130/0x360
[10016.832550][   T10]      netlink_unicast+0x449/0x710
[10016.832550][   T10]      netlink_sendmsg+0x723/0xbe0
[10016.832550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10016.832550][   T10]      ___sys_sendmsg+0xee/0x170
[10016.832550][   T10]      __sys_sendmsg+0xcd/0x170
[10016.832550][   T10]      do_syscall_64+0xc6/0x1e0
[10016.832550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10016.832550][   T10] 
[10018.130857][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10018.131612][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10018.131612][ T1078]      netdev_get_by_index+0x5e/0x80
[10018.131612][ T1078]      fib6_nh_init+0x3d8/0x1580
[10018.131612][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10018.131612][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10018.131612][ T1078]      ipv6_add_addr+0x411/0x2000
[10018.131612][ T1078]      inet6_addr_add+0x30e/0xa40
[10018.131612][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10018.131612][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10018.131612][ T1078]      netlink_rcv_skb+0x130/0x360
[10018.131612][ T1078]      netlink_unicast+0x449/0x710
[10018.131612][ T1078]      netlink_sendmsg+0x723/0xbe0
[10018.131612][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10018.131612][ T1078]      ___sys_sendmsg+0xee/0x170
[10018.131612][ T1078]      __sys_sendmsg+0xcd/0x170
[10018.131612][ T1078]      do_syscall_64+0xc6/0x1e0
[10018.131612][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10018.131612][ T1078] 
[10018.133813][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10018.133813][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10018.133813][ T1078]      ipv6_find_idev+0x102/0x170
[10018.133813][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10018.133813][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10018.133813][ T1078]      netlink_rcv_skb+0x130/0x360
[10018.133813][ T1078]      netlink_unicast+0x449/0x710
[10018.133813][ T1078]      netlink_sendmsg+0x723/0xbe0
[10018.133813][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10018.133813][ T1078]      ___sys_sendmsg+0xee/0x170
[10018.133813][ T1078]      __sys_sendmsg+0xcd/0x170
[10018.133813][ T1078]      do_syscall_64+0xc6/0x1e0
[10018.133813][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10018.133813][ T1078] 
[10018.135891][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10018.135891][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10018.135891][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10018.135891][ T1078]      ipv6_find_idev+0x102/0x170
[10018.135891][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10018.135891][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10018.135891][ T1078]      netlink_rcv_skb+0x130/0x360
[10018.135891][ T1078]      netlink_unicast+0x449/0x710
[10018.135891][ T1078]      netlink_sendmsg+0x723/0xbe0
[10018.135891][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10018.135891][ T1078]      ___sys_sendmsg+0xee/0x170
[10018.135891][ T1078]      __sys_sendmsg+0xcd/0x170
[10018.135891][ T1078]      do_syscall_64+0xc6/0x1e0
[10018.135891][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10018.135891][ T1078] 
[10027.074902][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10027.075615][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10027.075615][   T10]      netdev_get_by_index+0x5e/0x80
[10027.075615][   T10]      fib6_nh_init+0x3d8/0x1580
[10027.075615][   T10]      ip6_route_info_create+0xf18/0x17d0
[10027.075615][   T10]      addrconf_f6i_alloc+0x315/0x560
[10027.075615][   T10]      ipv6_add_addr+0x411/0x2000
[10027.075615][   T10]      inet6_addr_add+0x30e/0xa40
[10027.075615][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10027.075615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.075615][   T10]      netlink_rcv_skb+0x130/0x360
[10027.075615][   T10]      netlink_unicast+0x449/0x710
[10027.075615][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.075615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.075615][   T10]      ___sys_sendmsg+0xee/0x170
[10027.075615][   T10]      __sys_sendmsg+0xcd/0x170
[10027.075615][   T10]      do_syscall_64+0xc6/0x1e0
[10027.075615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.075615][   T10] 
[10027.077625][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10027.077625][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10027.077625][   T10]      ipv6_find_idev+0x102/0x170
[10027.077625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10027.077625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.077625][   T10]      netlink_rcv_skb+0x130/0x360
[10027.077625][   T10]      netlink_unicast+0x449/0x710
[10027.077625][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.077625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.077625][   T10]      ___sys_sendmsg+0xee/0x170
[10027.077625][   T10]      __sys_sendmsg+0xcd/0x170
[10027.077625][   T10]      do_syscall_64+0xc6/0x1e0
[10027.077625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.077625][   T10] 
[10027.079176][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10027.079176][   T10]      neigh_parms_alloc+0x1e5/0x510
[10027.079176][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10027.079176][   T10]      ipv6_find_idev+0x102/0x170
[10027.079176][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10027.079176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.079176][   T10]      netlink_rcv_skb+0x130/0x360
[10027.079176][   T10]      netlink_unicast+0x449/0x710
[10027.079176][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.079176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.079176][   T10]      ___sys_sendmsg+0xee/0x170
[10027.079176][   T10]      __sys_sendmsg+0xcd/0x170
[10027.079176][   T10]      do_syscall_64+0xc6/0x1e0
[10027.079176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.079176][   T10] 
[10027.080850][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10027.081102][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10027.081102][   T10]      netdev_get_by_index+0x5e/0x80
[10027.081102][   T10]      fib6_nh_init+0x3d8/0x1580
[10027.081102][   T10]      ip6_route_info_create+0xf18/0x17d0
[10027.081102][   T10]      ip6_route_add+0x1c/0x140
[10027.081102][   T10]      addrconf_prefix_route+0x2a6/0x430
[10027.081102][   T10]      inet6_addr_add+0x4f8/0xa40
[10027.081102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10027.081102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.081102][   T10]      netlink_rcv_skb+0x130/0x360
[10027.081102][   T10]      netlink_unicast+0x449/0x710
[10027.081102][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.081102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.081102][   T10]      ___sys_sendmsg+0xee/0x170
[10027.081102][   T10]      __sys_sendmsg+0xcd/0x170
[10027.081102][   T10]      do_syscall_64+0xc6/0x1e0
[10027.081102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.081102][   T10] 
[10027.083051][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10027.083051][   T10]      netdev_get_by_index+0x5e/0x80
[10027.083051][   T10]      fib6_nh_init+0x3d8/0x1580
[10027.083051][   T10]      ip6_route_info_create+0xf18/0x17d0
[10027.083051][   T10]      addrconf_f6i_alloc+0x315/0x560
[10027.083051][   T10]      ipv6_add_addr+0x411/0x2000
[10027.083051][   T10]      inet6_addr_add+0x30e/0xa40
[10027.083051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10027.083051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.083051][   T10]      netlink_rcv_skb+0x130/0x360
[10027.083051][   T10]      netlink_unicast+0x449/0x710
[10027.083051][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.083051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.083051][   T10]      ___sys_sendmsg+0xee/0x170
[10027.083051][   T10]      __sys_sendmsg+0xcd/0x170
[10027.083051][   T10]      do_syscall_64+0xc6/0x1e0
[10027.083051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.083051][   T10] 
[10027.085029][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10027.085029][   T10]      netdev_get_by_index+0x5e/0x80
[10027.085029][   T10]      fib6_nh_init+0x3d8/0x1580
[10027.085029][   T10]      ip6_route_info_create+0xf18/0x17d0
[10027.085029][   T10]      ip6_route_add+0x1c/0x140
[10027.085029][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10027.085029][   T10]      addrconf_add_dev+0xe2/0x170
[10027.085029][   T10]      inet6_addr_add+0x12f/0xa40
[10027.085029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10027.085029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.085029][   T10]      netlink_rcv_skb+0x130/0x360
[10027.085029][   T10]      netlink_unicast+0x449/0x710
[10027.085029][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.085029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.085029][   T10]      ___sys_sendmsg+0xee/0x170
[10027.085029][   T10]      __sys_sendmsg+0xcd/0x170
[10027.085029][   T10]      do_syscall_64+0xc6/0x1e0
[10027.085029][   T10] 
[10027.086955][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10027.086955][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10027.086955][   T10]      ipv6_find_idev+0x102/0x170
[10027.086955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10027.086955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.086955][   T10]      netlink_rcv_skb+0x130/0x360
[10027.086955][   T10]      netlink_unicast+0x449/0x710
[10027.086955][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.086955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.086955][   T10]      ___sys_sendmsg+0xee/0x170
[10027.086955][   T10]      __sys_sendmsg+0xcd/0x170
[10027.086955][   T10]      do_syscall_64+0xc6/0x1e0
[10027.086955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.086955][   T10] 
[10027.088494][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10027.088494][   T10]      neigh_parms_alloc+0x1e5/0x510
[10027.088494][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10027.088494][   T10]      ipv6_find_idev+0x102/0x170
[10027.088494][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10027.088494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10027.088494][   T10]      netlink_rcv_skb+0x130/0x360
[10027.088494][   T10]      netlink_unicast+0x449/0x710
[10027.088494][   T10]      netlink_sendmsg+0x723/0xbe0
[10027.088494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10027.088494][   T10]      ___sys_sendmsg+0xee/0x170
[10027.088494][   T10]      __sys_sendmsg+0xcd/0x170
[10027.088494][   T10]      do_syscall_64+0xc6/0x1e0
[10027.088494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10027.088494][   T10] 
[10028.386901][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10028.387732][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10028.387732][ T1078]      netdev_get_by_index+0x5e/0x80
[10028.387732][ T1078]      fib6_nh_init+0x3d8/0x1580
[10028.387732][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10028.387732][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10028.387732][ T1078]      ipv6_add_addr+0x411/0x2000
[10028.387732][ T1078]      inet6_addr_add+0x30e/0xa40
[10028.387732][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10028.387732][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10028.387732][ T1078]      netlink_rcv_skb+0x130/0x360
[10028.387732][ T1078]      netlink_unicast+0x449/0x710
[10028.387732][ T1078]      netlink_sendmsg+0x723/0xbe0
[10028.387732][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10028.387732][ T1078]      ___sys_sendmsg+0xee/0x170
[10028.387732][ T1078]      __sys_sendmsg+0xcd/0x170
[10028.387732][ T1078]      do_syscall_64+0xc6/0x1e0
[10028.387732][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10028.387732][ T1078] 
[10028.389949][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10028.389949][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10028.389949][ T1078]      ipv6_find_idev+0x102/0x170
[10028.389949][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10028.389949][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10028.389949][ T1078]      netlink_rcv_skb+0x130/0x360
[10028.389949][ T1078]      netlink_unicast+0x449/0x710
[10028.389949][ T1078]      netlink_sendmsg+0x723/0xbe0
[10028.389949][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10028.389949][ T1078]      ___sys_sendmsg+0xee/0x170
[10028.389949][ T1078]      __sys_sendmsg+0xcd/0x170
[10028.389949][ T1078]      do_syscall_64+0xc6/0x1e0
[10028.389949][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10028.389949][ T1078] 
[10028.391644][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10028.391644][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10028.391644][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10028.391644][ T1078]      ipv6_find_idev+0x102/0x170
[10028.391644][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10028.391644][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10028.391644][ T1078]      netlink_rcv_skb+0x130/0x360
[10028.391644][ T1078]      netlink_unicast+0x449/0x710
[10028.391644][ T1078]      netlink_sendmsg+0x723/0xbe0
[10028.391644][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10028.391644][ T1078]      ___sys_sendmsg+0xee/0x170
[10028.391644][ T1078]      __sys_sendmsg+0xcd/0x170
[10028.391644][ T1078]      do_syscall_64+0xc6/0x1e0
[10028.391644][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10028.391644][ T1078] 
[10037.170930][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10037.171581][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10037.171581][   T10]      netdev_get_by_index+0x5e/0x80
[10037.171581][   T10]      fib6_nh_init+0x3d8/0x1580
[10037.171581][   T10]      ip6_route_info_create+0xf18/0x17d0
[10037.171581][   T10]      addrconf_f6i_alloc+0x315/0x560
[10037.171581][   T10]      ipv6_add_addr+0x411/0x2000
[10037.171581][   T10]      inet6_addr_add+0x30e/0xa40
[10037.171581][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10037.171581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.171581][   T10]      netlink_rcv_skb+0x130/0x360
[10037.171581][   T10]      netlink_unicast+0x449/0x710
[10037.171581][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.171581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.171581][   T10]      ___sys_sendmsg+0xee/0x170
[10037.171581][   T10]      __sys_sendmsg+0xcd/0x170
[10037.171581][   T10]      do_syscall_64+0xc6/0x1e0
[10037.171581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.171581][   T10] 
[10037.173612][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10037.173612][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10037.173612][   T10]      ipv6_find_idev+0x102/0x170
[10037.173612][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10037.173612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.173612][   T10]      netlink_rcv_skb+0x130/0x360
[10037.173612][   T10]      netlink_unicast+0x449/0x710
[10037.173612][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.173612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.173612][   T10]      ___sys_sendmsg+0xee/0x170
[10037.173612][   T10]      __sys_sendmsg+0xcd/0x170
[10037.173612][   T10]      do_syscall_64+0xc6/0x1e0
[10037.173612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.173612][   T10] 
[10037.175153][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10037.175153][   T10]      neigh_parms_alloc+0x1e5/0x510
[10037.175153][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10037.175153][   T10]      ipv6_find_idev+0x102/0x170
[10037.175153][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10037.175153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.175153][   T10]      netlink_rcv_skb+0x130/0x360
[10037.175153][   T10]      netlink_unicast+0x449/0x710
[10037.175153][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.175153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.175153][   T10]      ___sys_sendmsg+0xee/0x170
[10037.175153][   T10]      __sys_sendmsg+0xcd/0x170
[10037.175153][   T10]      do_syscall_64+0xc6/0x1e0
[10037.175153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.175153][   T10] 
[10037.176834][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10037.177070][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10037.177070][   T10]      netdev_get_by_index+0x5e/0x80
[10037.177070][   T10]      fib6_nh_init+0x3d8/0x1580
[10037.177070][   T10]      ip6_route_info_create+0xf18/0x17d0
[10037.177070][   T10]      ip6_route_add+0x1c/0x140
[10037.177070][   T10]      addrconf_prefix_route+0x2a6/0x430
[10037.177070][   T10]      inet6_addr_add+0x4f8/0xa40
[10037.177070][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10037.177070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.177070][   T10]      netlink_rcv_skb+0x130/0x360
[10037.177070][   T10]      netlink_unicast+0x449/0x710
[10037.177070][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.177070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.177070][   T10]      ___sys_sendmsg+0xee/0x170
[10037.177070][   T10]      __sys_sendmsg+0xcd/0x170
[10037.177070][   T10]      do_syscall_64+0xc6/0x1e0
[10037.177070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.177070][   T10] 
[10037.179063][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10037.179063][   T10]      netdev_get_by_index+0x5e/0x80
[10037.179063][   T10]      fib6_nh_init+0x3d8/0x1580
[10037.179063][   T10]      ip6_route_info_create+0xf18/0x17d0
[10037.179063][   T10]      addrconf_f6i_alloc+0x315/0x560
[10037.179063][   T10]      ipv6_add_addr+0x411/0x2000
[10037.179063][   T10]      inet6_addr_add+0x30e/0xa40
[10037.179063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10037.179063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.179063][   T10]      netlink_rcv_skb+0x130/0x360
[10037.179063][   T10]      netlink_unicast+0x449/0x710
[10037.179063][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.179063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.179063][   T10]      ___sys_sendmsg+0xee/0x170
[10037.179063][   T10]      __sys_sendmsg+0xcd/0x170
[10037.179063][   T10]      do_syscall_64+0xc6/0x1e0
[10037.179063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.179063][   T10] 
[10037.181009][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10037.181009][   T10]      netdev_get_by_index+0x5e/0x80
[10037.181009][   T10]      fib6_nh_init+0x3d8/0x1580
[10037.181009][   T10]      ip6_route_info_create+0xf18/0x17d0
[10037.181009][   T10]      ip6_route_add+0x1c/0x140
[10037.181009][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10037.181009][   T10]      addrconf_add_dev+0xe2/0x170
[10037.181009][   T10]      inet6_addr_add+0x12f/0xa40
[10037.181009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10037.181009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.181009][   T10]      netlink_rcv_skb+0x130/0x360
[10037.181009][   T10]      netlink_unicast+0x449/0x710
[10037.181009][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.181009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.181009][   T10]      ___sys_sendmsg+0xee/0x170
[10037.181009][   T10]      __sys_sendmsg+0xcd/0x170
[10037.181009][   T10]      do_syscall_64+0xc6/0x1e0
[10037.181009][   T10] 
[10037.182911][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10037.182911][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10037.182911][   T10]      ipv6_find_idev+0x102/0x170
[10037.182911][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10037.182911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.182911][   T10]      netlink_rcv_skb+0x130/0x360
[10037.182911][   T10]      netlink_unicast+0x449/0x710
[10037.182911][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.182911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.182911][   T10]      ___sys_sendmsg+0xee/0x170
[10037.182911][   T10]      __sys_sendmsg+0xcd/0x170
[10037.182911][   T10]      do_syscall_64+0xc6/0x1e0
[10037.182911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.182911][   T10] 
[10037.184408][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10037.184408][   T10]      neigh_parms_alloc+0x1e5/0x510
[10037.184408][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10037.184408][   T10]      ipv6_find_idev+0x102/0x170
[10037.184408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10037.184408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10037.184408][   T10]      netlink_rcv_skb+0x130/0x360
[10037.184408][   T10]      netlink_unicast+0x449/0x710
[10037.184408][   T10]      netlink_sendmsg+0x723/0xbe0
[10037.184408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10037.184408][   T10]      ___sys_sendmsg+0xee/0x170
[10037.184408][   T10]      __sys_sendmsg+0xcd/0x170
[10037.184408][   T10]      do_syscall_64+0xc6/0x1e0
[10037.184408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10037.184408][   T10] 
[10038.450868][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10038.451552][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10038.451552][ T1078]      netdev_get_by_index+0x5e/0x80
[10038.451552][ T1078]      fib6_nh_init+0x3d8/0x1580
[10038.451552][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10038.451552][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10038.451552][ T1078]      ipv6_add_addr+0x411/0x2000
[10038.451552][ T1078]      inet6_addr_add+0x30e/0xa40
[10038.451552][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10038.451552][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10038.451552][ T1078]      netlink_rcv_skb+0x130/0x360
[10038.451552][ T1078]      netlink_unicast+0x449/0x710
[10038.451552][ T1078]      netlink_sendmsg+0x723/0xbe0
[10038.451552][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10038.451552][ T1078]      ___sys_sendmsg+0xee/0x170
[10038.451552][ T1078]      __sys_sendmsg+0xcd/0x170
[10038.451552][ T1078]      do_syscall_64+0xc6/0x1e0
[10038.451552][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10038.451552][ T1078] 
[10038.453720][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10038.453720][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10038.453720][ T1078]      ipv6_find_idev+0x102/0x170
[10038.453720][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10038.453720][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10038.453720][ T1078]      netlink_rcv_skb+0x130/0x360
[10038.453720][ T1078]      netlink_unicast+0x449/0x710
[10038.453720][ T1078]      netlink_sendmsg+0x723/0xbe0
[10038.453720][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10038.453720][ T1078]      ___sys_sendmsg+0xee/0x170
[10038.453720][ T1078]      __sys_sendmsg+0xcd/0x170
[10038.453720][ T1078]      do_syscall_64+0xc6/0x1e0
[10038.453720][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10038.453720][ T1078] 
[10038.455399][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10038.455399][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10038.455399][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10038.455399][ T1078]      ipv6_find_idev+0x102/0x170
[10038.455399][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10038.455399][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10038.455399][ T1078]      netlink_rcv_skb+0x130/0x360
[10038.455399][ T1078]      netlink_unicast+0x449/0x710
[10038.455399][ T1078]      netlink_sendmsg+0x723/0xbe0
[10038.455399][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10038.455399][ T1078]      ___sys_sendmsg+0xee/0x170
[10038.455399][ T1078]      __sys_sendmsg+0xcd/0x170
[10038.455399][ T1078]      do_syscall_64+0xc6/0x1e0
[10038.455399][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10038.455399][ T1078] 
[10047.426838][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10047.427259][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10047.427259][   T10]      netdev_get_by_index+0x5e/0x80
[10047.427259][   T10]      fib6_nh_init+0x3d8/0x1580
[10047.427259][   T10]      ip6_route_info_create+0xf18/0x17d0
[10047.427259][   T10]      addrconf_f6i_alloc+0x315/0x560
[10047.427259][   T10]      ipv6_add_addr+0x411/0x2000
[10047.427259][   T10]      inet6_addr_add+0x30e/0xa40
[10047.427259][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10047.427259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.427259][   T10]      netlink_rcv_skb+0x130/0x360
[10047.427259][   T10]      netlink_unicast+0x449/0x710
[10047.427259][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.427259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.427259][   T10]      ___sys_sendmsg+0xee/0x170
[10047.427259][   T10]      __sys_sendmsg+0xcd/0x170
[10047.427259][   T10]      do_syscall_64+0xc6/0x1e0
[10047.427259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.427259][   T10] 
[10047.429357][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10047.429357][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10047.429357][   T10]      ipv6_find_idev+0x102/0x170
[10047.429357][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10047.429357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.429357][   T10]      netlink_rcv_skb+0x130/0x360
[10047.429357][   T10]      netlink_unicast+0x449/0x710
[10047.429357][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.429357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.429357][   T10]      ___sys_sendmsg+0xee/0x170
[10047.429357][   T10]      __sys_sendmsg+0xcd/0x170
[10047.429357][   T10]      do_syscall_64+0xc6/0x1e0
[10047.429357][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.429357][   T10] 
[10047.430905][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10047.430905][   T10]      neigh_parms_alloc+0x1e5/0x510
[10047.430905][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10047.430905][   T10]      ipv6_find_idev+0x102/0x170
[10047.430905][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10047.430905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.430905][   T10]      netlink_rcv_skb+0x130/0x360
[10047.430905][   T10]      netlink_unicast+0x449/0x710
[10047.430905][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.430905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.430905][   T10]      ___sys_sendmsg+0xee/0x170
[10047.430905][   T10]      __sys_sendmsg+0xcd/0x170
[10047.430905][   T10]      do_syscall_64+0xc6/0x1e0
[10047.430905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.430905][   T10] 
[10047.432588][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10047.432852][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10047.432852][   T10]      netdev_get_by_index+0x5e/0x80
[10047.432852][   T10]      fib6_nh_init+0x3d8/0x1580
[10047.432852][   T10]      ip6_route_info_create+0xf18/0x17d0
[10047.432852][   T10]      ip6_route_add+0x1c/0x140
[10047.432852][   T10]      addrconf_prefix_route+0x2a6/0x430
[10047.432852][   T10]      inet6_addr_add+0x4f8/0xa40
[10047.432852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10047.432852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.432852][   T10]      netlink_rcv_skb+0x130/0x360
[10047.432852][   T10]      netlink_unicast+0x449/0x710
[10047.432852][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.432852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.432852][   T10]      ___sys_sendmsg+0xee/0x170
[10047.432852][   T10]      __sys_sendmsg+0xcd/0x170
[10047.432852][   T10]      do_syscall_64+0xc6/0x1e0
[10047.432852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.432852][   T10] 
[10047.434859][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10047.434859][   T10]      netdev_get_by_index+0x5e/0x80
[10047.434859][   T10]      fib6_nh_init+0x3d8/0x1580
[10047.434859][   T10]      ip6_route_info_create+0xf18/0x17d0
[10047.434859][   T10]      addrconf_f6i_alloc+0x315/0x560
[10047.434859][   T10]      ipv6_add_addr+0x411/0x2000
[10047.434859][   T10]      inet6_addr_add+0x30e/0xa40
[10047.434859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10047.434859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.434859][   T10]      netlink_rcv_skb+0x130/0x360
[10047.434859][   T10]      netlink_unicast+0x449/0x710
[10047.434859][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.434859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.434859][   T10]      ___sys_sendmsg+0xee/0x170
[10047.434859][   T10]      __sys_sendmsg+0xcd/0x170
[10047.434859][   T10]      do_syscall_64+0xc6/0x1e0
[10047.434859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.434859][   T10] 
[10047.436830][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10047.436830][   T10]      netdev_get_by_index+0x5e/0x80
[10047.436830][   T10]      fib6_nh_init+0x3d8/0x1580
[10047.436830][   T10]      ip6_route_info_create+0xf18/0x17d0
[10047.436830][   T10]      ip6_route_add+0x1c/0x140
[10047.436830][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10047.436830][   T10]      addrconf_add_dev+0xe2/0x170
[10047.436830][   T10]      inet6_addr_add+0x12f/0xa40
[10047.436830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10047.436830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.436830][   T10]      netlink_rcv_skb+0x130/0x360
[10047.436830][   T10]      netlink_unicast+0x449/0x710
[10047.436830][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.436830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.436830][   T10]      ___sys_sendmsg+0xee/0x170
[10047.436830][   T10]      __sys_sendmsg+0xcd/0x170
[10047.436830][   T10]      do_syscall_64+0xc6/0x1e0
[10047.436830][   T10] 
[10047.438826][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10047.438826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10047.438826][   T10]      ipv6_find_idev+0x102/0x170
[10047.438826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10047.438826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.438826][   T10]      netlink_rcv_skb+0x130/0x360
[10047.438826][   T10]      netlink_unicast+0x449/0x710
[10047.438826][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.438826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.438826][   T10]      ___sys_sendmsg+0xee/0x170
[10047.438826][   T10]      __sys_sendmsg+0xcd/0x170
[10047.438826][   T10]      do_syscall_64+0xc6/0x1e0
[10047.438826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.438826][   T10] 
[10047.440322][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10047.440322][   T10]      neigh_parms_alloc+0x1e5/0x510
[10047.440322][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10047.440322][   T10]      ipv6_find_idev+0x102/0x170
[10047.440322][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10047.440322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10047.440322][   T10]      netlink_rcv_skb+0x130/0x360
[10047.440322][   T10]      netlink_unicast+0x449/0x710
[10047.440322][   T10]      netlink_sendmsg+0x723/0xbe0
[10047.440322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10047.440322][   T10]      ___sys_sendmsg+0xee/0x170
[10047.440322][   T10]      __sys_sendmsg+0xcd/0x170
[10047.440322][   T10]      do_syscall_64+0xc6/0x1e0
[10047.440322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10047.440322][   T10] 
[10048.706864][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10048.707515][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10048.707515][ T1078]      netdev_get_by_index+0x5e/0x80
[10048.707515][ T1078]      fib6_nh_init+0x3d8/0x1580
[10048.707515][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10048.707515][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10048.707515][ T1078]      ipv6_add_addr+0x411/0x2000
[10048.707515][ T1078]      inet6_addr_add+0x30e/0xa40
[10048.707515][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10048.707515][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10048.707515][ T1078]      netlink_rcv_skb+0x130/0x360
[10048.707515][ T1078]      netlink_unicast+0x449/0x710
[10048.707515][ T1078]      netlink_sendmsg+0x723/0xbe0
[10048.707515][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10048.707515][ T1078]      ___sys_sendmsg+0xee/0x170
[10048.707515][ T1078]      __sys_sendmsg+0xcd/0x170
[10048.707515][ T1078]      do_syscall_64+0xc6/0x1e0
[10048.707515][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10048.707515][ T1078] 
[10048.709721][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10048.709721][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10048.709721][ T1078]      ipv6_find_idev+0x102/0x170
[10048.709721][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10048.709721][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10048.709721][ T1078]      netlink_rcv_skb+0x130/0x360
[10048.709721][ T1078]      netlink_unicast+0x449/0x710
[10048.709721][ T1078]      netlink_sendmsg+0x723/0xbe0
[10048.709721][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10048.709721][ T1078]      ___sys_sendmsg+0xee/0x170
[10048.709721][ T1078]      __sys_sendmsg+0xcd/0x170
[10048.709721][ T1078]      do_syscall_64+0xc6/0x1e0
[10048.709721][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10048.709721][ T1078] 
[10048.711473][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10048.711473][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10048.711473][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10048.711473][ T1078]      ipv6_find_idev+0x102/0x170
[10048.711473][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10048.711473][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10048.711473][ T1078]      netlink_rcv_skb+0x130/0x360
[10048.711473][ T1078]      netlink_unicast+0x449/0x710
[10048.711473][ T1078]      netlink_sendmsg+0x723/0xbe0
[10048.711473][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10048.711473][ T1078]      ___sys_sendmsg+0xee/0x170
[10048.711473][ T1078]      __sys_sendmsg+0xcd/0x170
[10048.711473][ T1078]      do_syscall_64+0xc6/0x1e0
[10048.711473][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10048.711473][ T1078] 
[10057.682834][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10057.683219][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10057.683219][   T10]      netdev_get_by_index+0x5e/0x80
[10057.683219][   T10]      fib6_nh_init+0x3d8/0x1580
[10057.683219][   T10]      ip6_route_info_create+0xf18/0x17d0
[10057.683219][   T10]      addrconf_f6i_alloc+0x315/0x560
[10057.683219][   T10]      ipv6_add_addr+0x411/0x2000
[10057.683219][   T10]      inet6_addr_add+0x30e/0xa40
[10057.683219][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10057.683219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.683219][   T10]      netlink_rcv_skb+0x130/0x360
[10057.683219][   T10]      netlink_unicast+0x449/0x710
[10057.683219][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.683219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.683219][   T10]      ___sys_sendmsg+0xee/0x170
[10057.683219][   T10]      __sys_sendmsg+0xcd/0x170
[10057.683219][   T10]      do_syscall_64+0xc6/0x1e0
[10057.683219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.683219][   T10] 
[10057.685230][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10057.685230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10057.685230][   T10]      ipv6_find_idev+0x102/0x170
[10057.685230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10057.685230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.685230][   T10]      netlink_rcv_skb+0x130/0x360
[10057.685230][   T10]      netlink_unicast+0x449/0x710
[10057.685230][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.685230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.685230][   T10]      ___sys_sendmsg+0xee/0x170
[10057.685230][   T10]      __sys_sendmsg+0xcd/0x170
[10057.685230][   T10]      do_syscall_64+0xc6/0x1e0
[10057.685230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.685230][   T10] 
[10057.686728][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10057.686728][   T10]      neigh_parms_alloc+0x1e5/0x510
[10057.686728][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10057.686728][   T10]      ipv6_find_idev+0x102/0x170
[10057.686728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10057.686728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.686728][   T10]      netlink_rcv_skb+0x130/0x360
[10057.686728][   T10]      netlink_unicast+0x449/0x710
[10057.686728][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.686728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.686728][   T10]      ___sys_sendmsg+0xee/0x170
[10057.686728][   T10]      __sys_sendmsg+0xcd/0x170
[10057.686728][   T10]      do_syscall_64+0xc6/0x1e0
[10057.686728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.686728][   T10] 
[10057.688422][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10057.688674][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10057.688674][   T10]      netdev_get_by_index+0x5e/0x80
[10057.688674][   T10]      fib6_nh_init+0x3d8/0x1580
[10057.688674][   T10]      ip6_route_info_create+0xf18/0x17d0
[10057.688674][   T10]      ip6_route_add+0x1c/0x140
[10057.688674][   T10]      addrconf_prefix_route+0x2a6/0x430
[10057.688674][   T10]      inet6_addr_add+0x4f8/0xa40
[10057.688674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10057.688674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.688674][   T10]      netlink_rcv_skb+0x130/0x360
[10057.688674][   T10]      netlink_unicast+0x449/0x710
[10057.688674][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.688674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.688674][   T10]      ___sys_sendmsg+0xee/0x170
[10057.688674][   T10]      __sys_sendmsg+0xcd/0x170
[10057.688674][   T10]      do_syscall_64+0xc6/0x1e0
[10057.688674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.688674][   T10] 
[10057.690626][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10057.690626][   T10]      netdev_get_by_index+0x5e/0x80
[10057.690626][   T10]      fib6_nh_init+0x3d8/0x1580
[10057.690626][   T10]      ip6_route_info_create+0xf18/0x17d0
[10057.690626][   T10]      addrconf_f6i_alloc+0x315/0x560
[10057.690626][   T10]      ipv6_add_addr+0x411/0x2000
[10057.690626][   T10]      inet6_addr_add+0x30e/0xa40
[10057.690626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10057.690626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.690626][   T10]      netlink_rcv_skb+0x130/0x360
[10057.690626][   T10]      netlink_unicast+0x449/0x710
[10057.690626][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.690626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.690626][   T10]      ___sys_sendmsg+0xee/0x170
[10057.690626][   T10]      __sys_sendmsg+0xcd/0x170
[10057.690626][   T10]      do_syscall_64+0xc6/0x1e0
[10057.690626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.690626][   T10] 
[10057.692574][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10057.692574][   T10]      netdev_get_by_index+0x5e/0x80
[10057.692574][   T10]      fib6_nh_init+0x3d8/0x1580
[10057.692574][   T10]      ip6_route_info_create+0xf18/0x17d0
[10057.692574][   T10]      ip6_route_add+0x1c/0x140
[10057.692574][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10057.692574][   T10]      addrconf_add_dev+0xe2/0x170
[10057.692574][   T10]      inet6_addr_add+0x12f/0xa40
[10057.692574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10057.692574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.692574][   T10]      netlink_rcv_skb+0x130/0x360
[10057.692574][   T10]      netlink_unicast+0x449/0x710
[10057.692574][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.692574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.692574][   T10]      ___sys_sendmsg+0xee/0x170
[10057.692574][   T10]      __sys_sendmsg+0xcd/0x170
[10057.692574][   T10]      do_syscall_64+0xc6/0x1e0
[10057.692574][   T10] 
[10057.694486][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10057.694486][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10057.694486][   T10]      ipv6_find_idev+0x102/0x170
[10057.694486][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10057.694486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.694486][   T10]      netlink_rcv_skb+0x130/0x360
[10057.694486][   T10]      netlink_unicast+0x449/0x710
[10057.694486][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.694486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.694486][   T10]      ___sys_sendmsg+0xee/0x170
[10057.694486][   T10]      __sys_sendmsg+0xcd/0x170
[10057.694486][   T10]      do_syscall_64+0xc6/0x1e0
[10057.694486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.694486][   T10] 
[10057.696011][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10057.696011][   T10]      neigh_parms_alloc+0x1e5/0x510
[10057.696011][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10057.696011][   T10]      ipv6_find_idev+0x102/0x170
[10057.696011][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10057.696011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10057.696011][   T10]      netlink_rcv_skb+0x130/0x360
[10057.696011][   T10]      netlink_unicast+0x449/0x710
[10057.696011][   T10]      netlink_sendmsg+0x723/0xbe0
[10057.696011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10057.696011][   T10]      ___sys_sendmsg+0xee/0x170
[10057.696011][   T10]      __sys_sendmsg+0xcd/0x170
[10057.696011][   T10]      do_syscall_64+0xc6/0x1e0
[10057.696011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10057.696011][   T10] 
[10058.962871][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10058.963601][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10058.963601][ T1078]      netdev_get_by_index+0x5e/0x80
[10058.963601][ T1078]      fib6_nh_init+0x3d8/0x1580
[10058.963601][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10058.963601][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10058.963601][ T1078]      ipv6_add_addr+0x411/0x2000
[10058.963601][ T1078]      inet6_addr_add+0x30e/0xa40
[10058.963601][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10058.963601][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10058.963601][ T1078]      netlink_rcv_skb+0x130/0x360
[10058.963601][ T1078]      netlink_unicast+0x449/0x710
[10058.963601][ T1078]      netlink_sendmsg+0x723/0xbe0
[10058.963601][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10058.963601][ T1078]      ___sys_sendmsg+0xee/0x170
[10058.963601][ T1078]      __sys_sendmsg+0xcd/0x170
[10058.963601][ T1078]      do_syscall_64+0xc6/0x1e0
[10058.963601][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10058.963601][ T1078] 
[10058.965822][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10058.965822][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10058.965822][ T1078]      ipv6_find_idev+0x102/0x170
[10058.965822][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10058.965822][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10058.965822][ T1078]      netlink_rcv_skb+0x130/0x360
[10058.965822][ T1078]      netlink_unicast+0x449/0x710
[10058.965822][ T1078]      netlink_sendmsg+0x723/0xbe0
[10058.965822][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10058.965822][ T1078]      ___sys_sendmsg+0xee/0x170
[10058.965822][ T1078]      __sys_sendmsg+0xcd/0x170
[10058.965822][ T1078]      do_syscall_64+0xc6/0x1e0
[10058.965822][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10058.965822][ T1078] 
[10058.967509][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10058.967509][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10058.967509][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10058.967509][ T1078]      ipv6_find_idev+0x102/0x170
[10058.967509][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10058.967509][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10058.967509][ T1078]      netlink_rcv_skb+0x130/0x360
[10058.967509][ T1078]      netlink_unicast+0x449/0x710
[10058.967509][ T1078]      netlink_sendmsg+0x723/0xbe0
[10058.967509][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10058.967509][ T1078]      ___sys_sendmsg+0xee/0x170
[10058.967509][ T1078]      __sys_sendmsg+0xcd/0x170
[10058.967509][ T1078]      do_syscall_64+0xc6/0x1e0
[10058.967509][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10058.967509][ T1078] 
[10067.938886][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10067.939605][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10067.939605][   T10]      netdev_get_by_index+0x5e/0x80
[10067.939605][   T10]      fib6_nh_init+0x3d8/0x1580
[10067.939605][   T10]      ip6_route_info_create+0xf18/0x17d0
[10067.939605][   T10]      addrconf_f6i_alloc+0x315/0x560
[10067.939605][   T10]      ipv6_add_addr+0x411/0x2000
[10067.939605][   T10]      inet6_addr_add+0x30e/0xa40
[10067.939605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10067.939605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.939605][   T10]      netlink_rcv_skb+0x130/0x360
[10067.939605][   T10]      netlink_unicast+0x449/0x710
[10067.939605][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.939605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.939605][   T10]      ___sys_sendmsg+0xee/0x170
[10067.939605][   T10]      __sys_sendmsg+0xcd/0x170
[10067.939605][   T10]      do_syscall_64+0xc6/0x1e0
[10067.939605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.939605][   T10] 
[10067.941626][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10067.941626][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10067.941626][   T10]      ipv6_find_idev+0x102/0x170
[10067.941626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10067.941626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.941626][   T10]      netlink_rcv_skb+0x130/0x360
[10067.941626][   T10]      netlink_unicast+0x449/0x710
[10067.941626][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.941626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.941626][   T10]      ___sys_sendmsg+0xee/0x170
[10067.941626][   T10]      __sys_sendmsg+0xcd/0x170
[10067.941626][   T10]      do_syscall_64+0xc6/0x1e0
[10067.941626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.941626][   T10] 
[10067.943182][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10067.943182][   T10]      neigh_parms_alloc+0x1e5/0x510
[10067.943182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10067.943182][   T10]      ipv6_find_idev+0x102/0x170
[10067.943182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10067.943182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.943182][   T10]      netlink_rcv_skb+0x130/0x360
[10067.943182][   T10]      netlink_unicast+0x449/0x710
[10067.943182][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.943182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.943182][   T10]      ___sys_sendmsg+0xee/0x170
[10067.943182][   T10]      __sys_sendmsg+0xcd/0x170
[10067.943182][   T10]      do_syscall_64+0xc6/0x1e0
[10067.943182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.943182][   T10] 
[10067.944857][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10067.945099][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10067.945099][   T10]      netdev_get_by_index+0x5e/0x80
[10067.945099][   T10]      fib6_nh_init+0x3d8/0x1580
[10067.945099][   T10]      ip6_route_info_create+0xf18/0x17d0
[10067.945099][   T10]      ip6_route_add+0x1c/0x140
[10067.945099][   T10]      addrconf_prefix_route+0x2a6/0x430
[10067.945099][   T10]      inet6_addr_add+0x4f8/0xa40
[10067.945099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10067.945099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.945099][   T10]      netlink_rcv_skb+0x130/0x360
[10067.945099][   T10]      netlink_unicast+0x449/0x710
[10067.945099][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.945099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.945099][   T10]      ___sys_sendmsg+0xee/0x170
[10067.945099][   T10]      __sys_sendmsg+0xcd/0x170
[10067.945099][   T10]      do_syscall_64+0xc6/0x1e0
[10067.945099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.945099][   T10] 
[10067.947061][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10067.947061][   T10]      netdev_get_by_index+0x5e/0x80
[10067.947061][   T10]      fib6_nh_init+0x3d8/0x1580
[10067.947061][   T10]      ip6_route_info_create+0xf18/0x17d0
[10067.947061][   T10]      addrconf_f6i_alloc+0x315/0x560
[10067.947061][   T10]      ipv6_add_addr+0x411/0x2000
[10067.947061][   T10]      inet6_addr_add+0x30e/0xa40
[10067.947061][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10067.947061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.947061][   T10]      netlink_rcv_skb+0x130/0x360
[10067.947061][   T10]      netlink_unicast+0x449/0x710
[10067.947061][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.947061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.947061][   T10]      ___sys_sendmsg+0xee/0x170
[10067.947061][   T10]      __sys_sendmsg+0xcd/0x170
[10067.947061][   T10]      do_syscall_64+0xc6/0x1e0
[10067.947061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.947061][   T10] 
[10067.949212][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10067.949212][   T10]      netdev_get_by_index+0x5e/0x80
[10067.949212][   T10]      fib6_nh_init+0x3d8/0x1580
[10067.949212][   T10]      ip6_route_info_create+0xf18/0x17d0
[10067.949212][   T10]      ip6_route_add+0x1c/0x140
[10067.949212][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10067.949212][   T10]      addrconf_add_dev+0xe2/0x170
[10067.949212][   T10]      inet6_addr_add+0x12f/0xa40
[10067.949212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10067.949212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.949212][   T10]      netlink_rcv_skb+0x130/0x360
[10067.949212][   T10]      netlink_unicast+0x449/0x710
[10067.949212][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.949212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.949212][   T10]      ___sys_sendmsg+0xee/0x170
[10067.949212][   T10]      __sys_sendmsg+0xcd/0x170
[10067.949212][   T10]      do_syscall_64+0xc6/0x1e0
[10067.949212][   T10] 
[10067.951193][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10067.951193][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10067.951193][   T10]      ipv6_find_idev+0x102/0x170
[10067.951193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10067.951193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.951193][   T10]      netlink_rcv_skb+0x130/0x360
[10067.951193][   T10]      netlink_unicast+0x449/0x710
[10067.951193][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.951193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.951193][   T10]      ___sys_sendmsg+0xee/0x170
[10067.951193][   T10]      __sys_sendmsg+0xcd/0x170
[10067.951193][   T10]      do_syscall_64+0xc6/0x1e0
[10067.951193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.951193][   T10] 
[10067.952723][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10067.952723][   T10]      neigh_parms_alloc+0x1e5/0x510
[10067.952723][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10067.952723][   T10]      ipv6_find_idev+0x102/0x170
[10067.952723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10067.952723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10067.952723][   T10]      netlink_rcv_skb+0x130/0x360
[10067.952723][   T10]      netlink_unicast+0x449/0x710
[10067.952723][   T10]      netlink_sendmsg+0x723/0xbe0
[10067.952723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10067.952723][   T10]      ___sys_sendmsg+0xee/0x170
[10067.952723][   T10]      __sys_sendmsg+0xcd/0x170
[10067.952723][   T10]      do_syscall_64+0xc6/0x1e0
[10067.952723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10067.952723][   T10] 
[10069.218950][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10069.219573][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10069.219573][ T1078]      netdev_get_by_index+0x5e/0x80
[10069.219573][ T1078]      fib6_nh_init+0x3d8/0x1580
[10069.219573][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10069.219573][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10069.219573][ T1078]      ipv6_add_addr+0x411/0x2000
[10069.219573][ T1078]      inet6_addr_add+0x30e/0xa40
[10069.219573][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10069.219573][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10069.219573][ T1078]      netlink_rcv_skb+0x130/0x360
[10069.219573][ T1078]      netlink_unicast+0x449/0x710
[10069.219573][ T1078]      netlink_sendmsg+0x723/0xbe0
[10069.219573][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10069.219573][ T1078]      ___sys_sendmsg+0xee/0x170
[10069.219573][ T1078]      __sys_sendmsg+0xcd/0x170
[10069.219573][ T1078]      do_syscall_64+0xc6/0x1e0
[10069.219573][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10069.219573][ T1078] 
[10069.221729][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10069.221729][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10069.221729][ T1078]      ipv6_find_idev+0x102/0x170
[10069.221729][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10069.221729][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10069.221729][ T1078]      netlink_rcv_skb+0x130/0x360
[10069.221729][ T1078]      netlink_unicast+0x449/0x710
[10069.221729][ T1078]      netlink_sendmsg+0x723/0xbe0
[10069.221729][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10069.221729][ T1078]      ___sys_sendmsg+0xee/0x170
[10069.221729][ T1078]      __sys_sendmsg+0xcd/0x170
[10069.221729][ T1078]      do_syscall_64+0xc6/0x1e0
[10069.221729][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10069.221729][ T1078] 
[10069.223402][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10069.223402][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10069.223402][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10069.223402][ T1078]      ipv6_find_idev+0x102/0x170
[10069.223402][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10069.223402][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10069.223402][ T1078]      netlink_rcv_skb+0x130/0x360
[10069.223402][ T1078]      netlink_unicast+0x449/0x710
[10069.223402][ T1078]      netlink_sendmsg+0x723/0xbe0
[10069.223402][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10069.223402][ T1078]      ___sys_sendmsg+0xee/0x170
[10069.223402][ T1078]      __sys_sendmsg+0xcd/0x170
[10069.223402][ T1078]      do_syscall_64+0xc6/0x1e0
[10069.223402][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10069.223402][ T1078] 
[10078.194966][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10078.195597][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10078.195597][   T10]      netdev_get_by_index+0x5e/0x80
[10078.195597][   T10]      fib6_nh_init+0x3d8/0x1580
[10078.195597][   T10]      ip6_route_info_create+0xf18/0x17d0
[10078.195597][   T10]      addrconf_f6i_alloc+0x315/0x560
[10078.195597][   T10]      ipv6_add_addr+0x411/0x2000
[10078.195597][   T10]      inet6_addr_add+0x30e/0xa40
[10078.195597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10078.195597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.195597][   T10]      netlink_rcv_skb+0x130/0x360
[10078.195597][   T10]      netlink_unicast+0x449/0x710
[10078.195597][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.195597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.195597][   T10]      ___sys_sendmsg+0xee/0x170
[10078.195597][   T10]      __sys_sendmsg+0xcd/0x170
[10078.195597][   T10]      do_syscall_64+0xc6/0x1e0
[10078.195597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.195597][   T10] 
[10078.197638][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10078.197638][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10078.197638][   T10]      ipv6_find_idev+0x102/0x170
[10078.197638][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10078.197638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.197638][   T10]      netlink_rcv_skb+0x130/0x360
[10078.197638][   T10]      netlink_unicast+0x449/0x710
[10078.197638][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.197638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.197638][   T10]      ___sys_sendmsg+0xee/0x170
[10078.197638][   T10]      __sys_sendmsg+0xcd/0x170
[10078.197638][   T10]      do_syscall_64+0xc6/0x1e0
[10078.197638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.197638][   T10] 
[10078.199142][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10078.199142][   T10]      neigh_parms_alloc+0x1e5/0x510
[10078.199142][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10078.199142][   T10]      ipv6_find_idev+0x102/0x170
[10078.199142][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10078.199142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.199142][   T10]      netlink_rcv_skb+0x130/0x360
[10078.199142][   T10]      netlink_unicast+0x449/0x710
[10078.199142][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.199142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.199142][   T10]      ___sys_sendmsg+0xee/0x170
[10078.199142][   T10]      __sys_sendmsg+0xcd/0x170
[10078.199142][   T10]      do_syscall_64+0xc6/0x1e0
[10078.199142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.199142][   T10] 
[10078.200786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10078.201024][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10078.201024][   T10]      netdev_get_by_index+0x5e/0x80
[10078.201024][   T10]      fib6_nh_init+0x3d8/0x1580
[10078.201024][   T10]      ip6_route_info_create+0xf18/0x17d0
[10078.201024][   T10]      ip6_route_add+0x1c/0x140
[10078.201024][   T10]      addrconf_prefix_route+0x2a6/0x430
[10078.201024][   T10]      inet6_addr_add+0x4f8/0xa40
[10078.201024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10078.201024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.201024][   T10]      netlink_rcv_skb+0x130/0x360
[10078.201024][   T10]      netlink_unicast+0x449/0x710
[10078.201024][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.201024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.201024][   T10]      ___sys_sendmsg+0xee/0x170
[10078.201024][   T10]      __sys_sendmsg+0xcd/0x170
[10078.201024][   T10]      do_syscall_64+0xc6/0x1e0
[10078.201024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.201024][   T10] 
[10078.202970][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10078.202970][   T10]      netdev_get_by_index+0x5e/0x80
[10078.202970][   T10]      fib6_nh_init+0x3d8/0x1580
[10078.202970][   T10]      ip6_route_info_create+0xf18/0x17d0
[10078.202970][   T10]      addrconf_f6i_alloc+0x315/0x560
[10078.202970][   T10]      ipv6_add_addr+0x411/0x2000
[10078.202970][   T10]      inet6_addr_add+0x30e/0xa40
[10078.202970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10078.202970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.202970][   T10]      netlink_rcv_skb+0x130/0x360
[10078.202970][   T10]      netlink_unicast+0x449/0x710
[10078.202970][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.202970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.202970][   T10]      ___sys_sendmsg+0xee/0x170
[10078.202970][   T10]      __sys_sendmsg+0xcd/0x170
[10078.202970][   T10]      do_syscall_64+0xc6/0x1e0
[10078.202970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.202970][   T10] 
[10078.204986][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10078.204986][   T10]      netdev_get_by_index+0x5e/0x80
[10078.204986][   T10]      fib6_nh_init+0x3d8/0x1580
[10078.204986][   T10]      ip6_route_info_create+0xf18/0x17d0
[10078.204986][   T10]      ip6_route_add+0x1c/0x140
[10078.204986][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10078.204986][   T10]      addrconf_add_dev+0xe2/0x170
[10078.204986][   T10]      inet6_addr_add+0x12f/0xa40
[10078.204986][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10078.204986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.204986][   T10]      netlink_rcv_skb+0x130/0x360
[10078.204986][   T10]      netlink_unicast+0x449/0x710
[10078.204986][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.204986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.204986][   T10]      ___sys_sendmsg+0xee/0x170
[10078.204986][   T10]      __sys_sendmsg+0xcd/0x170
[10078.204986][   T10]      do_syscall_64+0xc6/0x1e0
[10078.204986][   T10] 
[10078.206886][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10078.206886][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10078.206886][   T10]      ipv6_find_idev+0x102/0x170
[10078.206886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10078.206886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.206886][   T10]      netlink_rcv_skb+0x130/0x360
[10078.206886][   T10]      netlink_unicast+0x449/0x710
[10078.206886][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.206886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.206886][   T10]      ___sys_sendmsg+0xee/0x170
[10078.206886][   T10]      __sys_sendmsg+0xcd/0x170
[10078.206886][   T10]      do_syscall_64+0xc6/0x1e0
[10078.206886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.206886][   T10] 
[10078.208428][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10078.208428][   T10]      neigh_parms_alloc+0x1e5/0x510
[10078.208428][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10078.208428][   T10]      ipv6_find_idev+0x102/0x170
[10078.208428][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10078.208428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10078.208428][   T10]      netlink_rcv_skb+0x130/0x360
[10078.208428][   T10]      netlink_unicast+0x449/0x710
[10078.208428][   T10]      netlink_sendmsg+0x723/0xbe0
[10078.208428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10078.208428][   T10]      ___sys_sendmsg+0xee/0x170
[10078.208428][   T10]      __sys_sendmsg+0xcd/0x170
[10078.208428][   T10]      do_syscall_64+0xc6/0x1e0
[10078.208428][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10078.208428][   T10] 
[10079.474804][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10079.475235][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10079.475235][ T1078]      netdev_get_by_index+0x5e/0x80
[10079.475235][ T1078]      fib6_nh_init+0x3d8/0x1580
[10079.475235][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10079.475235][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10079.475235][ T1078]      ipv6_add_addr+0x411/0x2000
[10079.475235][ T1078]      inet6_addr_add+0x30e/0xa40
[10079.475235][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10079.475235][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10079.475235][ T1078]      netlink_rcv_skb+0x130/0x360
[10079.475235][ T1078]      netlink_unicast+0x449/0x710
[10079.475235][ T1078]      netlink_sendmsg+0x723/0xbe0
[10079.475235][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10079.475235][ T1078]      ___sys_sendmsg+0xee/0x170
[10079.475235][ T1078]      __sys_sendmsg+0xcd/0x170
[10079.475235][ T1078]      do_syscall_64+0xc6/0x1e0
[10079.475235][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10079.475235][ T1078] 
[10079.477478][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10079.477478][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10079.477478][ T1078]      ipv6_find_idev+0x102/0x170
[10079.477478][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10079.477478][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10079.477478][ T1078]      netlink_rcv_skb+0x130/0x360
[10079.477478][ T1078]      netlink_unicast+0x449/0x710
[10079.477478][ T1078]      netlink_sendmsg+0x723/0xbe0
[10079.477478][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10079.477478][ T1078]      ___sys_sendmsg+0xee/0x170
[10079.477478][ T1078]      __sys_sendmsg+0xcd/0x170
[10079.477478][ T1078]      do_syscall_64+0xc6/0x1e0
[10079.477478][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10079.477478][ T1078] 
[10079.479194][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10079.479194][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10079.479194][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10079.479194][ T1078]      ipv6_find_idev+0x102/0x170
[10079.479194][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10079.479194][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10079.479194][ T1078]      netlink_rcv_skb+0x130/0x360
[10079.479194][ T1078]      netlink_unicast+0x449/0x710
[10079.479194][ T1078]      netlink_sendmsg+0x723/0xbe0
[10079.479194][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10079.479194][ T1078]      ___sys_sendmsg+0xee/0x170
[10079.479194][ T1078]      __sys_sendmsg+0xcd/0x170
[10079.479194][ T1078]      do_syscall_64+0xc6/0x1e0
[10079.479194][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10079.479194][ T1078] 
[10088.450884][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10088.451530][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10088.451530][   T10]      netdev_get_by_index+0x5e/0x80
[10088.451530][   T10]      fib6_nh_init+0x3d8/0x1580
[10088.451530][   T10]      ip6_route_info_create+0xf18/0x17d0
[10088.451530][   T10]      addrconf_f6i_alloc+0x315/0x560
[10088.451530][   T10]      ipv6_add_addr+0x411/0x2000
[10088.451530][   T10]      inet6_addr_add+0x30e/0xa40
[10088.451530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10088.451530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.451530][   T10]      netlink_rcv_skb+0x130/0x360
[10088.451530][   T10]      netlink_unicast+0x449/0x710
[10088.451530][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.451530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.451530][   T10]      ___sys_sendmsg+0xee/0x170
[10088.451530][   T10]      __sys_sendmsg+0xcd/0x170
[10088.451530][   T10]      do_syscall_64+0xc6/0x1e0
[10088.451530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.451530][   T10] 
[10088.453488][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10088.453488][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10088.453488][   T10]      ipv6_find_idev+0x102/0x170
[10088.453488][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10088.453488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.453488][   T10]      netlink_rcv_skb+0x130/0x360
[10088.453488][   T10]      netlink_unicast+0x449/0x710
[10088.453488][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.453488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.453488][   T10]      ___sys_sendmsg+0xee/0x170
[10088.453488][   T10]      __sys_sendmsg+0xcd/0x170
[10088.453488][   T10]      do_syscall_64+0xc6/0x1e0
[10088.453488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.453488][   T10] 
[10088.454989][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10088.454989][   T10]      neigh_parms_alloc+0x1e5/0x510
[10088.454989][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10088.454989][   T10]      ipv6_find_idev+0x102/0x170
[10088.454989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10088.454989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.454989][   T10]      netlink_rcv_skb+0x130/0x360
[10088.454989][   T10]      netlink_unicast+0x449/0x710
[10088.454989][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.454989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.454989][   T10]      ___sys_sendmsg+0xee/0x170
[10088.454989][   T10]      __sys_sendmsg+0xcd/0x170
[10088.454989][   T10]      do_syscall_64+0xc6/0x1e0
[10088.454989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.454989][   T10] 
[10088.456633][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10088.456885][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10088.456885][   T10]      netdev_get_by_index+0x5e/0x80
[10088.456885][   T10]      fib6_nh_init+0x3d8/0x1580
[10088.456885][   T10]      ip6_route_info_create+0xf18/0x17d0
[10088.456885][   T10]      ip6_route_add+0x1c/0x140
[10088.456885][   T10]      addrconf_prefix_route+0x2a6/0x430
[10088.456885][   T10]      inet6_addr_add+0x4f8/0xa40
[10088.456885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10088.456885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.456885][   T10]      netlink_rcv_skb+0x130/0x360
[10088.456885][   T10]      netlink_unicast+0x449/0x710
[10088.456885][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.456885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.456885][   T10]      ___sys_sendmsg+0xee/0x170
[10088.456885][   T10]      __sys_sendmsg+0xcd/0x170
[10088.456885][   T10]      do_syscall_64+0xc6/0x1e0
[10088.456885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.456885][   T10] 
[10088.458885][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10088.458885][   T10]      netdev_get_by_index+0x5e/0x80
[10088.458885][   T10]      fib6_nh_init+0x3d8/0x1580
[10088.458885][   T10]      ip6_route_info_create+0xf18/0x17d0
[10088.458885][   T10]      addrconf_f6i_alloc+0x315/0x560
[10088.458885][   T10]      ipv6_add_addr+0x411/0x2000
[10088.458885][   T10]      inet6_addr_add+0x30e/0xa40
[10088.458885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10088.458885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.458885][   T10]      netlink_rcv_skb+0x130/0x360
[10088.458885][   T10]      netlink_unicast+0x449/0x710
[10088.458885][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.458885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.458885][   T10]      ___sys_sendmsg+0xee/0x170
[10088.458885][   T10]      __sys_sendmsg+0xcd/0x170
[10088.458885][   T10]      do_syscall_64+0xc6/0x1e0
[10088.458885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.458885][   T10] 
[10088.460853][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10088.460853][   T10]      netdev_get_by_index+0x5e/0x80
[10088.460853][   T10]      fib6_nh_init+0x3d8/0x1580
[10088.460853][   T10]      ip6_route_info_create+0xf18/0x17d0
[10088.460853][   T10]      ip6_route_add+0x1c/0x140
[10088.460853][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10088.460853][   T10]      addrconf_add_dev+0xe2/0x170
[10088.460853][   T10]      inet6_addr_add+0x12f/0xa40
[10088.460853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10088.460853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.460853][   T10]      netlink_rcv_skb+0x130/0x360
[10088.460853][   T10]      netlink_unicast+0x449/0x710
[10088.460853][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.460853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.460853][   T10]      ___sys_sendmsg+0xee/0x170
[10088.460853][   T10]      __sys_sendmsg+0xcd/0x170
[10088.460853][   T10]      do_syscall_64+0xc6/0x1e0
[10088.460853][   T10] 
[10088.462827][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10088.462827][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10088.462827][   T10]      ipv6_find_idev+0x102/0x170
[10088.462827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10088.462827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.462827][   T10]      netlink_rcv_skb+0x130/0x360
[10088.462827][   T10]      netlink_unicast+0x449/0x710
[10088.462827][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.462827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.462827][   T10]      ___sys_sendmsg+0xee/0x170
[10088.462827][   T10]      __sys_sendmsg+0xcd/0x170
[10088.462827][   T10]      do_syscall_64+0xc6/0x1e0
[10088.462827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.462827][   T10] 
[10088.464391][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10088.464391][   T10]      neigh_parms_alloc+0x1e5/0x510
[10088.464391][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10088.464391][   T10]      ipv6_find_idev+0x102/0x170
[10088.464391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10088.464391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10088.464391][   T10]      netlink_rcv_skb+0x130/0x360
[10088.464391][   T10]      netlink_unicast+0x449/0x710
[10088.464391][   T10]      netlink_sendmsg+0x723/0xbe0
[10088.464391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10088.464391][   T10]      ___sys_sendmsg+0xee/0x170
[10088.464391][   T10]      __sys_sendmsg+0xcd/0x170
[10088.464391][   T10]      do_syscall_64+0xc6/0x1e0
[10088.464391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10088.464391][   T10] 
[10089.730857][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10089.731802][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10089.731802][ T1078]      netdev_get_by_index+0x5e/0x80
[10089.731802][ T1078]      fib6_nh_init+0x3d8/0x1580
[10089.731802][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10089.731802][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10089.731802][ T1078]      ipv6_add_addr+0x411/0x2000
[10089.731802][ T1078]      inet6_addr_add+0x30e/0xa40
[10089.731802][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10089.731802][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10089.731802][ T1078]      netlink_rcv_skb+0x130/0x360
[10089.731802][ T1078]      netlink_unicast+0x449/0x710
[10089.731802][ T1078]      netlink_sendmsg+0x723/0xbe0
[10089.731802][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10089.731802][ T1078]      ___sys_sendmsg+0xee/0x170
[10089.731802][ T1078]      __sys_sendmsg+0xcd/0x170
[10089.731802][ T1078]      do_syscall_64+0xc6/0x1e0
[10089.731802][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10089.731802][ T1078] 
[10089.733940][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10089.733940][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10089.733940][ T1078]      ipv6_find_idev+0x102/0x170
[10089.733940][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10089.733940][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10089.733940][ T1078]      netlink_rcv_skb+0x130/0x360
[10089.733940][ T1078]      netlink_unicast+0x449/0x710
[10089.733940][ T1078]      netlink_sendmsg+0x723/0xbe0
[10089.733940][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10089.733940][ T1078]      ___sys_sendmsg+0xee/0x170
[10089.733940][ T1078]      __sys_sendmsg+0xcd/0x170
[10089.733940][ T1078]      do_syscall_64+0xc6/0x1e0
[10089.733940][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10089.733940][ T1078] 
[10089.735602][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10089.735602][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10089.735602][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10089.735602][ T1078]      ipv6_find_idev+0x102/0x170
[10089.735602][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10089.735602][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10089.735602][ T1078]      netlink_rcv_skb+0x130/0x360
[10089.735602][ T1078]      netlink_unicast+0x449/0x710
[10089.735602][ T1078]      netlink_sendmsg+0x723/0xbe0
[10089.735602][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10089.735602][ T1078]      ___sys_sendmsg+0xee/0x170
[10089.735602][ T1078]      __sys_sendmsg+0xcd/0x170
[10089.735602][ T1078]      do_syscall_64+0xc6/0x1e0
[10089.735602][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10089.735602][ T1078] 
[10098.706924][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10098.707498][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10098.707498][   T10]      netdev_get_by_index+0x5e/0x80
[10098.707498][   T10]      fib6_nh_init+0x3d8/0x1580
[10098.707498][   T10]      ip6_route_info_create+0xf18/0x17d0
[10098.707498][   T10]      addrconf_f6i_alloc+0x315/0x560
[10098.707498][   T10]      ipv6_add_addr+0x411/0x2000
[10098.707498][   T10]      inet6_addr_add+0x30e/0xa40
[10098.707498][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10098.707498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.707498][   T10]      netlink_rcv_skb+0x130/0x360
[10098.707498][   T10]      netlink_unicast+0x449/0x710
[10098.707498][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.707498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.707498][   T10]      ___sys_sendmsg+0xee/0x170
[10098.707498][   T10]      __sys_sendmsg+0xcd/0x170
[10098.707498][   T10]      do_syscall_64+0xc6/0x1e0
[10098.707498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.707498][   T10] 
[10098.709788][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10098.709788][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10098.709788][   T10]      ipv6_find_idev+0x102/0x170
[10098.709788][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10098.709788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.709788][   T10]      netlink_rcv_skb+0x130/0x360
[10098.709788][   T10]      netlink_unicast+0x449/0x710
[10098.709788][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.709788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.709788][   T10]      ___sys_sendmsg+0xee/0x170
[10098.709788][   T10]      __sys_sendmsg+0xcd/0x170
[10098.709788][   T10]      do_syscall_64+0xc6/0x1e0
[10098.709788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.709788][   T10] 
[10098.711562][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10098.711562][   T10]      neigh_parms_alloc+0x1e5/0x510
[10098.711562][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10098.711562][   T10]      ipv6_find_idev+0x102/0x170
[10098.711562][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10098.711562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.711562][   T10]      netlink_rcv_skb+0x130/0x360
[10098.711562][   T10]      netlink_unicast+0x449/0x710
[10098.711562][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.711562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.711562][   T10]      ___sys_sendmsg+0xee/0x170
[10098.711562][   T10]      __sys_sendmsg+0xcd/0x170
[10098.711562][   T10]      do_syscall_64+0xc6/0x1e0
[10098.711562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.711562][   T10] 
[10098.713467][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10098.713731][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10098.713731][   T10]      netdev_get_by_index+0x5e/0x80
[10098.713731][   T10]      fib6_nh_init+0x3d8/0x1580
[10098.713731][   T10]      ip6_route_info_create+0xf18/0x17d0
[10098.713731][   T10]      ip6_route_add+0x1c/0x140
[10098.713731][   T10]      addrconf_prefix_route+0x2a6/0x430
[10098.713731][   T10]      inet6_addr_add+0x4f8/0xa40
[10098.713731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10098.713731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.713731][   T10]      netlink_rcv_skb+0x130/0x360
[10098.713731][   T10]      netlink_unicast+0x449/0x710
[10098.713731][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.713731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.713731][   T10]      ___sys_sendmsg+0xee/0x170
[10098.713731][   T10]      __sys_sendmsg+0xcd/0x170
[10098.713731][   T10]      do_syscall_64+0xc6/0x1e0
[10098.713731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.713731][   T10] 
[10098.715989][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10098.715989][   T10]      netdev_get_by_index+0x5e/0x80
[10098.715989][   T10]      fib6_nh_init+0x3d8/0x1580
[10098.715989][   T10]      ip6_route_info_create+0xf18/0x17d0
[10098.715989][   T10]      addrconf_f6i_alloc+0x315/0x560
[10098.715989][   T10]      ipv6_add_addr+0x411/0x2000
[10098.715989][   T10]      inet6_addr_add+0x30e/0xa40
[10098.715989][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10098.715989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.715989][   T10]      netlink_rcv_skb+0x130/0x360
[10098.715989][   T10]      netlink_unicast+0x449/0x710
[10098.715989][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.715989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.715989][   T10]      ___sys_sendmsg+0xee/0x170
[10098.715989][   T10]      __sys_sendmsg+0xcd/0x170
[10098.715989][   T10]      do_syscall_64+0xc6/0x1e0
[10098.715989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.715989][   T10] 
[10098.718260][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10098.718260][   T10]      netdev_get_by_index+0x5e/0x80
[10098.718260][   T10]      fib6_nh_init+0x3d8/0x1580
[10098.718260][   T10]      ip6_route_info_create+0xf18/0x17d0
[10098.718260][   T10]      ip6_route_add+0x1c/0x140
[10098.718260][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10098.718260][   T10]      addrconf_add_dev+0xe2/0x170
[10098.718260][   T10]      inet6_addr_add+0x12f/0xa40
[10098.718260][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10098.718260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.718260][   T10]      netlink_rcv_skb+0x130/0x360
[10098.718260][   T10]      netlink_unicast+0x449/0x710
[10098.718260][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.718260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.718260][   T10]      ___sys_sendmsg+0xee/0x170
[10098.718260][   T10]      __sys_sendmsg+0xcd/0x170
[10098.718260][   T10]      do_syscall_64+0xc6/0x1e0
[10098.718260][   T10] 
[10098.720491][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10098.720491][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10098.720491][   T10]      ipv6_find_idev+0x102/0x170
[10098.720491][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10098.720491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.720491][   T10]      netlink_rcv_skb+0x130/0x360
[10098.720491][   T10]      netlink_unicast+0x449/0x710
[10098.720491][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.720491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.720491][   T10]      ___sys_sendmsg+0xee/0x170
[10098.720491][   T10]      __sys_sendmsg+0xcd/0x170
[10098.720491][   T10]      do_syscall_64+0xc6/0x1e0
[10098.720491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.720491][   T10] 
[10098.722222][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10098.722222][   T10]      neigh_parms_alloc+0x1e5/0x510
[10098.722222][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10098.722222][   T10]      ipv6_find_idev+0x102/0x170
[10098.722222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10098.722222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10098.722222][   T10]      netlink_rcv_skb+0x130/0x360
[10098.722222][   T10]      netlink_unicast+0x449/0x710
[10098.722222][   T10]      netlink_sendmsg+0x723/0xbe0
[10098.722222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10098.722222][   T10]      ___sys_sendmsg+0xee/0x170
[10098.722222][   T10]      __sys_sendmsg+0xcd/0x170
[10098.722222][   T10]      do_syscall_64+0xc6/0x1e0
[10098.722222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10098.722222][   T10] 
[10099.986855][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10099.987812][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10099.987812][ T1078]      netdev_get_by_index+0x5e/0x80
[10099.987812][ T1078]      fib6_nh_init+0x3d8/0x1580
[10099.987812][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10099.987812][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10099.987812][ T1078]      ipv6_add_addr+0x411/0x2000
[10099.987812][ T1078]      inet6_addr_add+0x30e/0xa40
[10099.987812][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10099.987812][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10099.987812][ T1078]      netlink_rcv_skb+0x130/0x360
[10099.987812][ T1078]      netlink_unicast+0x449/0x710
[10099.987812][ T1078]      netlink_sendmsg+0x723/0xbe0
[10099.987812][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10099.987812][ T1078]      ___sys_sendmsg+0xee/0x170
[10099.987812][ T1078]      __sys_sendmsg+0xcd/0x170
[10099.987812][ T1078]      do_syscall_64+0xc6/0x1e0
[10099.987812][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10099.987812][ T1078] 
[10099.990094][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10099.990094][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10099.990094][ T1078]      ipv6_find_idev+0x102/0x170
[10099.990094][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10099.990094][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10099.990094][ T1078]      netlink_rcv_skb+0x130/0x360
[10099.990094][ T1078]      netlink_unicast+0x449/0x710
[10099.990094][ T1078]      netlink_sendmsg+0x723/0xbe0
[10099.990094][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10099.990094][ T1078]      ___sys_sendmsg+0xee/0x170
[10099.990094][ T1078]      __sys_sendmsg+0xcd/0x170
[10099.990094][ T1078]      do_syscall_64+0xc6/0x1e0
[10099.990094][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10099.990094][ T1078] 
[10099.991727][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10099.991727][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10099.991727][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10099.991727][ T1078]      ipv6_find_idev+0x102/0x170
[10099.991727][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10099.991727][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10099.991727][ T1078]      netlink_rcv_skb+0x130/0x360
[10099.991727][ T1078]      netlink_unicast+0x449/0x710
[10099.991727][ T1078]      netlink_sendmsg+0x723/0xbe0
[10099.991727][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10099.991727][ T1078]      ___sys_sendmsg+0xee/0x170
[10099.991727][ T1078]      __sys_sendmsg+0xcd/0x170
[10099.991727][ T1078]      do_syscall_64+0xc6/0x1e0
[10099.991727][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10099.991727][ T1078] 
[10108.962917][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10108.963430][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10108.963430][   T10]      netdev_get_by_index+0x5e/0x80
[10108.963430][   T10]      fib6_nh_init+0x3d8/0x1580
[10108.963430][   T10]      ip6_route_info_create+0xf18/0x17d0
[10108.963430][   T10]      addrconf_f6i_alloc+0x315/0x560
[10108.963430][   T10]      ipv6_add_addr+0x411/0x2000
[10108.963430][   T10]      inet6_addr_add+0x30e/0xa40
[10108.963430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10108.963430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.963430][   T10]      netlink_rcv_skb+0x130/0x360
[10108.963430][   T10]      netlink_unicast+0x449/0x710
[10108.963430][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.963430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.963430][   T10]      ___sys_sendmsg+0xee/0x170
[10108.963430][   T10]      __sys_sendmsg+0xcd/0x170
[10108.963430][   T10]      do_syscall_64+0xc6/0x1e0
[10108.963430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.963430][   T10] 
[10108.966033][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10108.966033][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10108.966033][   T10]      ipv6_find_idev+0x102/0x170
[10108.966033][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10108.966033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.966033][   T10]      netlink_rcv_skb+0x130/0x360
[10108.966033][   T10]      netlink_unicast+0x449/0x710
[10108.966033][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.966033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.966033][   T10]      ___sys_sendmsg+0xee/0x170
[10108.966033][   T10]      __sys_sendmsg+0xcd/0x170
[10108.966033][   T10]      do_syscall_64+0xc6/0x1e0
[10108.966033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.966033][   T10] 
[10108.967781][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10108.967781][   T10]      neigh_parms_alloc+0x1e5/0x510
[10108.967781][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10108.967781][   T10]      ipv6_find_idev+0x102/0x170
[10108.967781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10108.967781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.967781][   T10]      netlink_rcv_skb+0x130/0x360
[10108.967781][   T10]      netlink_unicast+0x449/0x710
[10108.967781][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.967781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.967781][   T10]      ___sys_sendmsg+0xee/0x170
[10108.967781][   T10]      __sys_sendmsg+0xcd/0x170
[10108.967781][   T10]      do_syscall_64+0xc6/0x1e0
[10108.967781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.967781][   T10] 
[10108.969652][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10108.969929][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10108.969929][   T10]      netdev_get_by_index+0x5e/0x80
[10108.969929][   T10]      fib6_nh_init+0x3d8/0x1580
[10108.969929][   T10]      ip6_route_info_create+0xf18/0x17d0
[10108.969929][   T10]      ip6_route_add+0x1c/0x140
[10108.969929][   T10]      addrconf_prefix_route+0x2a6/0x430
[10108.969929][   T10]      inet6_addr_add+0x4f8/0xa40
[10108.969929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10108.969929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.969929][   T10]      netlink_rcv_skb+0x130/0x360
[10108.969929][   T10]      netlink_unicast+0x449/0x710
[10108.969929][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.969929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.969929][   T10]      ___sys_sendmsg+0xee/0x170
[10108.969929][   T10]      __sys_sendmsg+0xcd/0x170
[10108.969929][   T10]      do_syscall_64+0xc6/0x1e0
[10108.969929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.969929][   T10] 
[10108.972205][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10108.972205][   T10]      netdev_get_by_index+0x5e/0x80
[10108.972205][   T10]      fib6_nh_init+0x3d8/0x1580
[10108.972205][   T10]      ip6_route_info_create+0xf18/0x17d0
[10108.972205][   T10]      addrconf_f6i_alloc+0x315/0x560
[10108.972205][   T10]      ipv6_add_addr+0x411/0x2000
[10108.972205][   T10]      inet6_addr_add+0x30e/0xa40
[10108.972205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10108.972205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.972205][   T10]      netlink_rcv_skb+0x130/0x360
[10108.972205][   T10]      netlink_unicast+0x449/0x710
[10108.972205][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.972205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.972205][   T10]      ___sys_sendmsg+0xee/0x170
[10108.972205][   T10]      __sys_sendmsg+0xcd/0x170
[10108.972205][   T10]      do_syscall_64+0xc6/0x1e0
[10108.972205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.972205][   T10] 
[10108.974446][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10108.974446][   T10]      netdev_get_by_index+0x5e/0x80
[10108.974446][   T10]      fib6_nh_init+0x3d8/0x1580
[10108.974446][   T10]      ip6_route_info_create+0xf18/0x17d0
[10108.974446][   T10]      ip6_route_add+0x1c/0x140
[10108.974446][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10108.974446][   T10]      addrconf_add_dev+0xe2/0x170
[10108.974446][   T10]      inet6_addr_add+0x12f/0xa40
[10108.974446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10108.974446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.974446][   T10]      netlink_rcv_skb+0x130/0x360
[10108.974446][   T10]      netlink_unicast+0x449/0x710
[10108.974446][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.974446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.974446][   T10]      ___sys_sendmsg+0xee/0x170
[10108.974446][   T10]      __sys_sendmsg+0xcd/0x170
[10108.974446][   T10]      do_syscall_64+0xc6/0x1e0
[10108.974446][   T10] 
[10108.976644][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10108.976644][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10108.976644][   T10]      ipv6_find_idev+0x102/0x170
[10108.976644][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10108.976644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.976644][   T10]      netlink_rcv_skb+0x130/0x360
[10108.976644][   T10]      netlink_unicast+0x449/0x710
[10108.976644][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.976644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.976644][   T10]      ___sys_sendmsg+0xee/0x170
[10108.976644][   T10]      __sys_sendmsg+0xcd/0x170
[10108.976644][   T10]      do_syscall_64+0xc6/0x1e0
[10108.976644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.976644][   T10] 
[10108.978409][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10108.978409][   T10]      neigh_parms_alloc+0x1e5/0x510
[10108.978409][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10108.978409][   T10]      ipv6_find_idev+0x102/0x170
[10108.978409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10108.978409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10108.978409][   T10]      netlink_rcv_skb+0x130/0x360
[10108.978409][   T10]      netlink_unicast+0x449/0x710
[10108.978409][   T10]      netlink_sendmsg+0x723/0xbe0
[10108.978409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10108.978409][   T10]      ___sys_sendmsg+0xee/0x170
[10108.978409][   T10]      __sys_sendmsg+0xcd/0x170
[10108.978409][   T10]      do_syscall_64+0xc6/0x1e0
[10108.978409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10108.978409][   T10] 
[10110.242865][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10110.243552][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10110.243552][ T1078]      netdev_get_by_index+0x5e/0x80
[10110.243552][ T1078]      fib6_nh_init+0x3d8/0x1580
[10110.243552][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10110.243552][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10110.243552][ T1078]      ipv6_add_addr+0x411/0x2000
[10110.243552][ T1078]      inet6_addr_add+0x30e/0xa40
[10110.243552][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10110.243552][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10110.243552][ T1078]      netlink_rcv_skb+0x130/0x360
[10110.243552][ T1078]      netlink_unicast+0x449/0x710
[10110.243552][ T1078]      netlink_sendmsg+0x723/0xbe0
[10110.243552][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10110.243552][ T1078]      ___sys_sendmsg+0xee/0x170
[10110.243552][ T1078]      __sys_sendmsg+0xcd/0x170
[10110.243552][ T1078]      do_syscall_64+0xc6/0x1e0
[10110.243552][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10110.243552][ T1078] 
[10110.245747][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10110.245747][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10110.245747][ T1078]      ipv6_find_idev+0x102/0x170
[10110.245747][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10110.245747][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10110.245747][ T1078]      netlink_rcv_skb+0x130/0x360
[10110.245747][ T1078]      netlink_unicast+0x449/0x710
[10110.245747][ T1078]      netlink_sendmsg+0x723/0xbe0
[10110.245747][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10110.245747][ T1078]      ___sys_sendmsg+0xee/0x170
[10110.245747][ T1078]      __sys_sendmsg+0xcd/0x170
[10110.245747][ T1078]      do_syscall_64+0xc6/0x1e0
[10110.245747][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10110.245747][ T1078] 
[10110.247427][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10110.247427][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10110.247427][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10110.247427][ T1078]      ipv6_find_idev+0x102/0x170
[10110.247427][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10110.247427][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10110.247427][ T1078]      netlink_rcv_skb+0x130/0x360
[10110.247427][ T1078]      netlink_unicast+0x449/0x710
[10110.247427][ T1078]      netlink_sendmsg+0x723/0xbe0
[10110.247427][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10110.247427][ T1078]      ___sys_sendmsg+0xee/0x170
[10110.247427][ T1078]      __sys_sendmsg+0xcd/0x170
[10110.247427][ T1078]      do_syscall_64+0xc6/0x1e0
[10110.247427][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10110.247427][ T1078] 
[10119.218796][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10119.219166][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10119.219166][   T10]      netdev_get_by_index+0x5e/0x80
[10119.219166][   T10]      fib6_nh_init+0x3d8/0x1580
[10119.219166][   T10]      ip6_route_info_create+0xf18/0x17d0
[10119.219166][   T10]      addrconf_f6i_alloc+0x315/0x560
[10119.219166][   T10]      ipv6_add_addr+0x411/0x2000
[10119.219166][   T10]      inet6_addr_add+0x30e/0xa40
[10119.219166][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10119.219166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.219166][   T10]      netlink_rcv_skb+0x130/0x360
[10119.219166][   T10]      netlink_unicast+0x449/0x710
[10119.219166][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.219166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.219166][   T10]      ___sys_sendmsg+0xee/0x170
[10119.219166][   T10]      __sys_sendmsg+0xcd/0x170
[10119.219166][   T10]      do_syscall_64+0xc6/0x1e0
[10119.219166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.219166][   T10] 
[10119.221212][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10119.221212][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10119.221212][   T10]      ipv6_find_idev+0x102/0x170
[10119.221212][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10119.221212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.221212][   T10]      netlink_rcv_skb+0x130/0x360
[10119.221212][   T10]      netlink_unicast+0x449/0x710
[10119.221212][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.221212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.221212][   T10]      ___sys_sendmsg+0xee/0x170
[10119.221212][   T10]      __sys_sendmsg+0xcd/0x170
[10119.221212][   T10]      do_syscall_64+0xc6/0x1e0
[10119.221212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.221212][   T10] 
[10119.222775][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10119.222775][   T10]      neigh_parms_alloc+0x1e5/0x510
[10119.222775][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10119.222775][   T10]      ipv6_find_idev+0x102/0x170
[10119.222775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10119.222775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.222775][   T10]      netlink_rcv_skb+0x130/0x360
[10119.222775][   T10]      netlink_unicast+0x449/0x710
[10119.222775][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.222775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.222775][   T10]      ___sys_sendmsg+0xee/0x170
[10119.222775][   T10]      __sys_sendmsg+0xcd/0x170
[10119.222775][   T10]      do_syscall_64+0xc6/0x1e0
[10119.222775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.222775][   T10] 
[10119.224503][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10119.224765][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10119.224765][   T10]      netdev_get_by_index+0x5e/0x80
[10119.224765][   T10]      fib6_nh_init+0x3d8/0x1580
[10119.224765][   T10]      ip6_route_info_create+0xf18/0x17d0
[10119.224765][   T10]      ip6_route_add+0x1c/0x140
[10119.224765][   T10]      addrconf_prefix_route+0x2a6/0x430
[10119.224765][   T10]      inet6_addr_add+0x4f8/0xa40
[10119.224765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10119.224765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.224765][   T10]      netlink_rcv_skb+0x130/0x360
[10119.224765][   T10]      netlink_unicast+0x449/0x710
[10119.224765][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.224765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.224765][   T10]      ___sys_sendmsg+0xee/0x170
[10119.224765][   T10]      __sys_sendmsg+0xcd/0x170
[10119.224765][   T10]      do_syscall_64+0xc6/0x1e0
[10119.224765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.224765][   T10] 
[10119.226802][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10119.226802][   T10]      netdev_get_by_index+0x5e/0x80
[10119.226802][   T10]      fib6_nh_init+0x3d8/0x1580
[10119.226802][   T10]      ip6_route_info_create+0xf18/0x17d0
[10119.226802][   T10]      addrconf_f6i_alloc+0x315/0x560
[10119.226802][   T10]      ipv6_add_addr+0x411/0x2000
[10119.226802][   T10]      inet6_addr_add+0x30e/0xa40
[10119.226802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10119.226802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.226802][   T10]      netlink_rcv_skb+0x130/0x360
[10119.226802][   T10]      netlink_unicast+0x449/0x710
[10119.226802][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.226802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.226802][   T10]      ___sys_sendmsg+0xee/0x170
[10119.226802][   T10]      __sys_sendmsg+0xcd/0x170
[10119.226802][   T10]      do_syscall_64+0xc6/0x1e0
[10119.226802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.226802][   T10] 
[10119.228856][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10119.228856][   T10]      netdev_get_by_index+0x5e/0x80
[10119.228856][   T10]      fib6_nh_init+0x3d8/0x1580
[10119.228856][   T10]      ip6_route_info_create+0xf18/0x17d0
[10119.228856][   T10]      ip6_route_add+0x1c/0x140
[10119.228856][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10119.228856][   T10]      addrconf_add_dev+0xe2/0x170
[10119.228856][   T10]      inet6_addr_add+0x12f/0xa40
[10119.228856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10119.228856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.228856][   T10]      netlink_rcv_skb+0x130/0x360
[10119.228856][   T10]      netlink_unicast+0x449/0x710
[10119.228856][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.228856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.228856][   T10]      ___sys_sendmsg+0xee/0x170
[10119.228856][   T10]      __sys_sendmsg+0xcd/0x170
[10119.228856][   T10]      do_syscall_64+0xc6/0x1e0
[10119.228856][   T10] 
[10119.230850][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10119.230850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10119.230850][   T10]      ipv6_find_idev+0x102/0x170
[10119.230850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10119.230850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.230850][   T10]      netlink_rcv_skb+0x130/0x360
[10119.230850][   T10]      netlink_unicast+0x449/0x710
[10119.230850][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.230850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.230850][   T10]      ___sys_sendmsg+0xee/0x170
[10119.230850][   T10]      __sys_sendmsg+0xcd/0x170
[10119.230850][   T10]      do_syscall_64+0xc6/0x1e0
[10119.230850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.230850][   T10] 
[10119.232412][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10119.232412][   T10]      neigh_parms_alloc+0x1e5/0x510
[10119.232412][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10119.232412][   T10]      ipv6_find_idev+0x102/0x170
[10119.232412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10119.232412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10119.232412][   T10]      netlink_rcv_skb+0x130/0x360
[10119.232412][   T10]      netlink_unicast+0x449/0x710
[10119.232412][   T10]      netlink_sendmsg+0x723/0xbe0
[10119.232412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10119.232412][   T10]      ___sys_sendmsg+0xee/0x170
[10119.232412][   T10]      __sys_sendmsg+0xcd/0x170
[10119.232412][   T10]      do_syscall_64+0xc6/0x1e0
[10119.232412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10119.232412][   T10] 
[10120.498888][ T1078] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4
[10120.499549][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10120.499549][ T1078]      netdev_get_by_index+0x5e/0x80
[10120.499549][ T1078]      fib6_nh_init+0x3d8/0x1580
[10120.499549][ T1078]      ip6_route_info_create+0xf18/0x17d0
[10120.499549][ T1078]      addrconf_f6i_alloc+0x315/0x560
[10120.499549][ T1078]      ipv6_add_addr+0x411/0x2000
[10120.499549][ T1078]      inet6_addr_add+0x30e/0xa40
[10120.499549][ T1078]      inet6_rtm_newaddr+0x560/0x6b0
[10120.499549][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10120.499549][ T1078]      netlink_rcv_skb+0x130/0x360
[10120.499549][ T1078]      netlink_unicast+0x449/0x710
[10120.499549][ T1078]      netlink_sendmsg+0x723/0xbe0
[10120.499549][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10120.499549][ T1078]      ___sys_sendmsg+0xee/0x170
[10120.499549][ T1078]      __sys_sendmsg+0xcd/0x170
[10120.499549][ T1078]      do_syscall_64+0xc6/0x1e0
[10120.499549][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10120.499549][ T1078] 
[10120.502381][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10120.502381][ T1078]      ipv6_add_dev+0x3ba/0x11c0
[10120.502381][ T1078]      ipv6_find_idev+0x102/0x170
[10120.502381][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10120.502381][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10120.502381][ T1078]      netlink_rcv_skb+0x130/0x360
[10120.502381][ T1078]      netlink_unicast+0x449/0x710
[10120.502381][ T1078]      netlink_sendmsg+0x723/0xbe0
[10120.502381][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10120.502381][ T1078]      ___sys_sendmsg+0xee/0x170
[10120.502381][ T1078]      __sys_sendmsg+0xcd/0x170
[10120.502381][ T1078]      do_syscall_64+0xc6/0x1e0
[10120.502381][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10120.502381][ T1078] 
[10120.504073][ T1078] ref_tracker: ip6gretap00@ffff888005c995e0 has 1/3 users at
[10120.504073][ T1078]      neigh_parms_alloc+0x1e5/0x510
[10120.504073][ T1078]      ipv6_add_dev+0x2fe/0x11c0
[10120.504073][ T1078]      ipv6_find_idev+0x102/0x170
[10120.504073][ T1078]      inet6_rtm_newaddr+0x37c/0x6b0
[10120.504073][ T1078]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10120.504073][ T1078]      netlink_rcv_skb+0x130/0x360
[10120.504073][ T1078]      netlink_unicast+0x449/0x710
[10120.504073][ T1078]      netlink_sendmsg+0x723/0xbe0
[10120.504073][ T1078]      ____sys_sendmsg+0x7b2/0xa10
[10120.504073][ T1078]      ___sys_sendmsg+0xee/0x170
[10120.504073][ T1078]      __sys_sendmsg+0xcd/0x170
[10120.504073][ T1078]      do_syscall_64+0xc6/0x1e0
[10120.504073][ T1078]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10120.504073][ T1078] 

HARD STOP (2884.904599)

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr
[10129.322785][   T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 4
[10129.323217][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10129.323217][   T10]      netdev_get_by_index+0x5e/0x80
[10129.323217][   T10]      fib6_nh_init+0x3d8/0x1580
[10129.323217][   T10]      ip6_route_info_create+0xf18/0x17d0
[10129.323217][   T10]      addrconf_f6i_alloc+0x315/0x560
[10129.323217][   T10]      ipv6_add_addr+0x411/0x2000
[10129.323217][   T10]      inet6_addr_add+0x30e/0xa40
[10129.323217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10129.323217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.323217][   T10]      netlink_rcv_skb+0x130/0x360
[10129.323217][   T10]      netlink_unicast+0x449/0x710
[10129.323217][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.323217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.323217][   T10]      ___sys_sendmsg+0xee/0x170
[10129.323217][   T10]      __sys_sendmsg+0xcd/0x170
[10129.323217][   T10]      do_syscall_64+0xc6/0x1e0
[10129.323217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.323217][   T10] 
[10129.325517][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10129.325517][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10129.325517][   T10]      ipv6_find_idev+0x102/0x170
[10129.325517][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10129.325517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.325517][   T10]      netlink_rcv_skb+0x130/0x360
[10129.325517][   T10]      netlink_unicast+0x449/0x710
[10129.325517][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.325517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.325517][   T10]      ___sys_sendmsg+0xee/0x170
[10129.325517][   T10]      __sys_sendmsg+0xcd/0x170
[10129.325517][   T10]      do_syscall_64+0xc6/0x1e0
[10129.325517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.325517][   T10] 
[10129.327304][   T10] ref_tracker: veth%d@ffff88800c0c95e0 has 1/3 users at
[10129.327304][   T10]      neigh_parms_alloc+0x1e5/0x510
[10129.327304][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10129.327304][   T10]      ipv6_find_idev+0x102/0x170
[10129.327304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10129.327304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.327304][   T10]      netlink_rcv_skb+0x130/0x360
[10129.327304][   T10]      netlink_unicast+0x449/0x710
[10129.327304][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.327304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.327304][   T10]      ___sys_sendmsg+0xee/0x170
[10129.327304][   T10]      __sys_sendmsg+0xcd/0x170
[10129.327304][   T10]      do_syscall_64+0xc6/0x1e0
[10129.327304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.327304][   T10] 
[10129.329217][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 6
[10129.329487][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10129.329487][   T10]      netdev_get_by_index+0x5e/0x80
[10129.329487][   T10]      fib6_nh_init+0x3d8/0x1580
[10129.329487][   T10]      ip6_route_info_create+0xf18/0x17d0
[10129.329487][   T10]      ip6_route_add+0x1c/0x140
[10129.329487][   T10]      addrconf_prefix_route+0x2a6/0x430
[10129.329487][   T10]      inet6_addr_add+0x4f8/0xa40
[10129.329487][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10129.329487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.329487][   T10]      netlink_rcv_skb+0x130/0x360
[10129.329487][   T10]      netlink_unicast+0x449/0x710
[10129.329487][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.329487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.329487][   T10]      ___sys_sendmsg+0xee/0x170
[10129.329487][   T10]      __sys_sendmsg+0xcd/0x170
[10129.329487][   T10]      do_syscall_64+0xc6/0x1e0
[10129.329487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.329487][   T10] 
[10129.331767][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10129.331767][   T10]      netdev_get_by_index+0x5e/0x80
[10129.331767][   T10]      fib6_nh_init+0x3d8/0x1580
[10129.331767][   T10]      ip6_route_info_create+0xf18/0x17d0
[10129.331767][   T10]      addrconf_f6i_alloc+0x315/0x560
[10129.331767][   T10]      ipv6_add_addr+0x411/0x2000
[10129.331767][   T10]      inet6_addr_add+0x30e/0xa40
[10129.331767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10129.331767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.331767][   T10]      netlink_rcv_skb+0x130/0x360
[10129.331767][   T10]      netlink_unicast+0x449/0x710
[10129.331767][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.331767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.331767][   T10]      ___sys_sendmsg+0xee/0x170
[10129.331767][   T10]      __sys_sendmsg+0xcd/0x170
[10129.331767][   T10]      do_syscall_64+0xc6/0x1e0
[10129.331767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.331767][   T10] 
[10129.334106][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10129.334106][   T10]      netdev_get_by_index+0x5e/0x80
[10129.334106][   T10]      fib6_nh_init+0x3d8/0x1580
[10129.334106][   T10]      ip6_route_info_create+0xf18/0x17d0
[10129.334106][   T10]      ip6_route_add+0x1c/0x140
[10129.334106][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[10129.334106][   T10]      addrconf_add_dev+0xe2/0x170
[10129.334106][   T10]      inet6_addr_add+0x12f/0xa40
[10129.334106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[10129.334106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.334106][   T10]      netlink_rcv_skb+0x130/0x360
[10129.334106][   T10]      netlink_unicast+0x449/0x710
[10129.334106][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.334106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.334106][   T10]      ___sys_sendmsg+0xee/0x170
[10129.334106][   T10]      __sys_sendmsg+0xcd/0x170
[10129.334106][   T10]      do_syscall_64+0xc6/0x1e0
[10129.334106][   T10] 
[10129.336352][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10129.336352][   T10]      ipv6_add_dev+0x3ba/0x11c0
[10129.336352][   T10]      ipv6_find_idev+0x102/0x170
[10129.336352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10129.336352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.336352][   T10]      netlink_rcv_skb+0x130/0x360
[10129.336352][   T10]      netlink_unicast+0x449/0x710
[10129.336352][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.336352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.336352][   T10]      ___sys_sendmsg+0xee/0x170
[10129.336352][   T10]      __sys_sendmsg+0xcd/0x170
[10129.336352][   T10]      do_syscall_64+0xc6/0x1e0
[10129.336352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.336352][   T10] 
[10129.338087][   T10] ref_tracker: veth%d@ffff88800bf115e0 has 1/5 users at
[10129.338087][   T10]      neigh_parms_alloc+0x1e5/0x510
[10129.338087][   T10]      ipv6_add_dev+0x2fe/0x11c0
[10129.338087][   T10]      ipv6_find_idev+0x102/0x170
[10129.338087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[10129.338087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[10129.338087][   T10]      netlink_rcv_skb+0x130/0x360
[10129.338087][   T10]      netlink_unicast+0x449/0x710
[10129.338087][   T10]      netlink_sendmsg+0x723/0xbe0
[10129.338087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[10129.338087][   T10]      ___sys_sendmsg+0xee/0x170
[10129.338087][   T10]      __sys_sendmsg+0xcd/0x170
[10129.338087][   T10]      do_syscall_64+0xc6/0x1e0
[10129.338087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[10129.338087][   T10]